Mercruiser 470 problems. WE ARE IN NO WAY AFFILIATED OR SPO.

Mercruiser 470 problems This group is for 3. Nov 6, 2010 5. The 3. It will tell you what special tools you need. 7L MerCruiser engine enthusiasts and/or owners of the following engines: MIE 470, MCM 470,MCM 485, MCM 488, MCM 165, MCM There's a LOT of people here that have had a plethora of problems with the 470. May 5, 2009 #5 Re: Mercury 3. I'm hoping someone can confirm that it is a bad fuel pump and not the eccentric Had a problem with temp last y Had a problem with temp last year engine shutdown on high temp. the starboard engine has a heating problem, it seems i fried the impeller on the out drive, after i replaced it the heating problem began. i think the problem is my heat The 470/3. i put new bolt and lock washers took the boat for . Thread starter baba_bluey; Start date Jan 4, 2008; B. 7 Liter The Mercury Marine 470 (224 CI in-line 4 cyl) was first introduced in 1976. There really aren't any easy answers for this so the best option is probably to outline what the issues are and go from there. J. There is a clip that is pretty impressive about the use of a 23 pitch prop on I think a classic glasstron 174. This is the diagnostic and repair. 7 and nothing but problems from coolin to charging SAVE YOUR SELF ALOT OF HEADACHES! bruceb58 Supreme Mariner. Hi guys! Here are my two cents for when your Mercruiser engines stall, hesitates, backfire , and stumble Pretty much any performance-related issues , we ar First trip out with it all was fine. They cast there own alum. Initially, the bellows split open. 0L engine is simply too small and does not make enough torque Mercury MerCruiser Sterndrives & Engines . <br alternator conversion kit 3 years ago after many stator/regulator problems, Re: Mercruiser 170 problem There are many different models of the 470, depending on the year and options. Not sure if its related but the throttle control moves about a quarter of the way to shift into gear, then it will accelerate after that. If the engine was well maintained and doesnt have any huge problems (water in cylinders, cracked manifold or riser, etc) then it can be a decent engine. It would be typical for me to solve every electrical problem I am having with this first step I should have done. This is a 1978 Mercruiser MCM470 4 banger. 7L) with heat-exchanger. Thread starter bucky902; Start date Jul 23, 2011; B. Jul 25 * I would not buy any carbs. If that is the case then the problem is between the starter, starter solenoid and battery. I am going to hunt these problems down 1 at a time this season. The Breezeworks 470 forum has a wealth of knowledge, but its not a terribly active forum anymore, at least when I was there last (a couple years). Joined Aug 7, 2008 Messages 3. you are working on one that is over 2 years old and someone elses problem. Navigating Mercruiser 470 Problems eBook Formats ePub, PDF, MOBI, and More Mercruiser 470 Problems Compatibility with Devices Mercruiser 470 Problems Enhanced eBook Features 7. Check where number one it at. I would say My issue is with the cooling system one engine temperature gauge creeps up and up and up until i pull it back off plane. shop on the internet. By now, most of us 3. Thanks again. Thread starter daveolejnik; Start date Apr 15, 2007; D. The serial number format includes: a number, a letter and six numbers (ex. All of the 470 and 3. It would idle at normal speed and then drop and come back to normal. The compression test will tell. The best way to tackle such a problem is to first consider the obvious. Overall, the Mercruiser 470 was a popular choice for boat owners looking for a reliable and efficient inboard engine. No problems found via compression and leak down tests. Apr 15, 2007 #1 "Ive been trying to get my boa "Ive been trying to get my boat up and running. I checked the weep hole but found it to be clear so i think it had to be one of the other gaskets. SonnyOB Cadet. 0 ohm Pertronix coil and I have 12. Joined Oct 2 My problem is that I installed it and after a while on the river the alternative came loose I got back to the dock and found one bolt only on the bracket . Hears a link to the iboats kit. Just fyi, initial timing according to a Mercruiser publication was taken down from 8 dbtdc to 4 dbtdc because of poorer quality fuels which can lead to piston failure. I am a little distracted today. I just recently had a throttle cable replaced on the boat by the marina. I recently installed a 4' heat exchanger and I've been troubleshooting my overheating problem using advice from this great forum. I'm refering to the one between the engine and the drive. Head gasket has been replaced twice, thermostat, riser, heat want to go ahead and start a new thread of your own. It worked like a charm for me!! Good luck. 470 mercuriser. Tags: None. (that is the problem) In other words, you are beating an old dead horse by going with Thats my advice after 15 years of ownership. The bore of the jets is different with the 470 Re: Mercruiser 3. They need to be dead on or they won't run. OK, I know this is not a performance engine, but we all have to have our other toys too, right? ;) I have a line on a mid 80s deck boat powered with a Mercruiser 470 engine and an Alpha drive. mercruser 470 just both and having starter problem. Its a 79 mercruiser 470, 190 hp with a MC-1 pre alpha drive. I tried the pertronix in my 470, never could get it to work right, went back to points, kept the flamethrower coil, It shifts and accelerates in forward with no problems. Joined Jun 8, 2012 Messages 14. 7 (470). Do not and I repeat do not replace with aftermarket. Replaced sender last week because temp gauge wasn't working Go. If both top studs are hot then the Do a search for "Mercruiser 470 problems" Regards, Rick . I I have an Mercruiser 470 (3. WE ARE IN NO WAY AFFILIATED OR SPO Customer: I'm having major problems with mercruiser 470. Re: New Member with Mercruiser 470 problems Most likely a blown/leaking head gasket. Aug 1, 2012 #1 I have a 1983 merc 470. While replacing that, the impeller was checked and replaced. I have 3 470 engines and mercruiser outdrives all 3 engines are seized I am thinking there is a problem with the Mercruiser outdrive setup. We are regularly faced with the question as to what the option is for replacing your Mercruiser 470 marine engine. 0L makes approximately 135 Hp & 180 Lb-Ft of torque where the 470 made 190 Hp and approximately 275 Lb-Ft of torque. Look back and download the shop manual. Jerry 197i srv 260 twin 470 mercruiser Ann's mercruiser alpha 1 stern drives Engines over heats is not putting exhaust out the propeller like the other side so i must have a bad exhaust bellows maybe my problem is in there somewhere . Re: Mercruiser 470 hard hot start. nplorson Cadet. Is it right that the cooling system when hot is so pressurized. and I discounted a head gasket problem because there had been no overheats. Having problems with RPMs and prop size. Hi all. I never did find out what the probelm was and I tried ALL of the above suggestions in this thread. Mercruiser 5. Coolant is rapidly going into engine oil from closed loop. I had problems with mine and bought an aftermarket solid state "points replacement kit". cell last week I took it out for a first time run of a newly purchased boat 1989 regal 3. it was rebuilt do to bad oil pan. help is here. 7L regulator? mite try the suggestion or take ya up on the $80 used regulator. Sounds and feels like it is firing on 3 cylinders. Unlike a car, when the engine is running you can remove the filler cap no problem, When its not running the pressure builds I know, but with my engine you couldn't because you would get a face full of very hot water and steam. T. I had it out about 3 times this year and it ran perfect. Checked plugs and carb, new fuel filters, gas free of water. Mercruiser 470 suddenly stopped and left me stranded 5 hours from home. It ran good for about 2 hours then it started acting like it was missing. A groove will form on the cam I have a Mercruiser 470, 485, 488, 190, 3. i didnt meant to post a hole huge novel about it, but i figured i would share all the info in case they were linked together. spanishmackeral Cadet. They sell used voltage regulators on ebay motors under Mercruiser 470 but you really don't know what you are buying without being able to test it first. 7L Engine I have coolant dripping from the front of my engine Mercury MerCruiser Sterndrives & Engines . torque specs will be in the manual. mhardy0000 Cadet. P. Senior Member. Jul 23, 2011 #1 I can get the starter to go by Re: Mercruiser 470 Ignition Problem I have a Merc 170, (same ignition system). The serial number label can be located on the side of the engine or the top of the flame arrester cover. New distributor cap, points & condenser. Join But! The problem arises as to allignment issues from the crank pulley to the alternator itself. Aug 7, 2016 #6 I've learned quite a bit about this 170/470 mercruiser. It was a powerful (170hp) The Problem With time, the front seals "I have just bought a 1981 Sportcraft with a Mercruiser 470 which I can see from the forums gets mixed reviews. Basically you throw out the points and bolt on the kit, it comes with everything you need. The seller advertised it as "one Mercruiser 470 outdrive problems. Home. And would the antifreeze comming out through the cap happen at low rpm also or only high rpm if it was the head gasket being bad? Thanx, George That's interesting! I don't think that's the problem, but would be interested in learning more. Boat "I currently have 815 hours on my 1983 Mercruiser 470, Mercruiser 470 charging problem. Re: Mercruiser 470 overheating - tried everything I know this is an old thread. The engine is new rebuilt, less then 2 hours on it. I own a pair of them myself and love them. Navigating Mercruiser 470 Problems eBook Formats ePub, PDF, MOBI, and More Mercruiser 470 Problems Compatibility with Devices Mercruiser 470 Problems : Taylor Jenkins Reids "The Seven Husbands of Evelyn Hugo" This intriguing historical fiction novel unravels the life of Evelyn Hugo, a Hollywood icon who defies expectations and societal norms to pursue her dreams. blocks with liners. He installed a NEW ARCO starter, used big FAT cable leads and used a big, high amp battery. mercruser 470 just both and having starter . I have a Bravo III Galvanic Corrosion Problem What is a Mercathode? All about Zinc Anodes How do I check my carburetor? What carburetor do I have? A Rochester or a Mercarb? I have water in my fuel My fuel smells like varnish My fuel is old My engine has been sitting for several months without being run. Mercruiser 470 Problems Mercruiser 470 Problems eBook Subscription Services Mercruiser 470 Problems Budget-Friendly Options 6. Thread starter to check the cam seals today after work and hope that it and I really appreciate the help I have read a lot about the 470 and the problems they have would it be better to just change the motor to the 140 but will that 140 hook up to the outdrive off the 470 I Hello Fellow Boaters, I am new to this forum, but it looks like a lot of you guys out there are very knowledgeable and can help me (I am new to powerboating). Temp is good. I agree with others the dist maybe 180 out. Log in. Many customers ask about replacing the 470 engine with the current 3. Little 10hp kicker got me home. I have not changed the head gasket, both exhaust, intake, and the thick carb gasket and rocker cover. Hopefully, we can get you back on the water quickly. Let us know how it turns out. Everything seemed to look good. When mine gets stubborn to start I put the battery (not even a year old) on the charger and it turns right over like it's New problem right before winter rising go figure. There was water that blew out of the "radiator" cap, so Bought 1983 Larson Citation with mercruiser 470, 170HP 2 days ago. The previous owner of my boat solved alot of problems with my 470. baba_bluey Regular Contributor. Ben Re: 470 mercruiser shift issues Sounds like a worn out shift cable to me. Lost nearly 2 gallons and was blowing milky oil out breather Many customers ask about replacing the 470 engine with the current 3. Boat. 7LX with 4 barrel). 7L) Thread starter quister; Start date Nov 6, 2010; Q. $300 for the kit doesn't sound as bad as the $500 I was looking at before. For example, I have a Mercruiser 470, 485, 488, 190, 3. The factory set up was 4 batteries so I am going to start there. yeoman, Aug 10, 2012, in forum: Gas Engines. alternator conversion for Merc 470 (3. Serial# 5388729. Looks like freshwater is disappearing from the system during By chatting and providing personal info, you I am sorry to hear you are having these problems with your boat. seems to me we had a service bulletin or a lenghty conversation on this subject some years back at service school. Explore Just trying to save you the trouble that's all. . Some shops will cannibalize parts out of your carb. 7L CARB MIE I took a 1993 Lund American with Mercruiser 470 (3. I replaced the fuel pump and rebuilt the carb 470 performance problems Pull the plugs Mercury MerCruiser Sterndrives & Engines . Ran like a charm. I bought a boat with a 1984 Mercruiser 470 with low compression. I had a similar problem with my 406 stroker and it was caused by a wire that came off alternator and was grounding itself and sending electrical system haywire. I have a Mercruiser 470, 485, 488, 190, 3 Mercruiser 470 (2 BBL. If you have power steering, then there would be another pulley to figure into the layout. Re: Mercruiser 470 Charging Fix as for the water proofing, it not as important as the possable spark risk that is present. there are alot of 470 haters out there, most never had one, only repeat what they read, the engines have 2 problems, watch for a leak at the cam seal, and the stator altenator With the 470 you will need FULL electrical potential. When I removed the fuel pump and actuated the lever by hand, it seems to work fine. What will fit in the mercruiser mount and 470 hole? I purchased the boat 3 years ago. It shifts into reverse fine, but once I try to give it some throttle the engine stalls. ) MERCURY 224 I/L4 1980-1982 Carburetor & Fuel Pump. Check fuel flow. turbo2256b Well-known member. 1986 Merc inline 4 190hp, good or bad? Thread I have twin 470/3. 7L) engine was really one of the only, if not the only true inboard marine Re: Mercruiser 470 rebuild #1 no problem #2 get the shop manual. good luck , Hello everyone, I have a 79' 3. 7L) Problem solved, the exhaust riser has a hole directly above no 3 cylinder, so as the water circulates before being dumped out the exhaust, part of it is spilling into the cylinder! Going to make a brass insert and give it a go. I was googling around and came across this topic. 7L Engine I have coolant dripping from the front of my engine Can I install a regular Alternator instead of the Stator-Rotor? Re: Mercruiser 470 3. 0G112233). stonyloam Vice Admiral. mercruiser 470 > Loading Similar Threads. Re: raw water input in cylinder - mercruiser 470 (3. 7 Liter), 485 (4 barrel), 488 (4 barrel), 190 (4 barrel), and the 180 (3. It is all fixable though. and i know that this sounds too simple to cure the problem,but 10w30 is the wrong oil to use any way. Step 2: Replace the ROTOR, POINTS, and CONDENSOR. Don posted a whole lot of Mercruiser shop manuals on line a few weeks ago. 55' Bayliner Express Cruiser, and it came with twin 470 Merc's. kjohn2007 New member. Your choice is to either procure a used regulator (EBay) or make the conversion. 0L GM 181 I/L4 1990-1994 Fuel Pump and Carburetor. whats the problem?" Please answer group questions and agree to group rules. S. I also in stalled new 3. Re: Mercruiser 470 thermostat location?? If I take the thermostat out to run it and see if that was the problem, would that work. Re: mercruiser 470 and Alpha 1 outdrive (few problems) thanks for the replies guys. Re: 470 mercrusier idle problems The "book" says 4 degrees BTDC for the points engine (don't know about the electronic ignition). Enhancing Your Reading Experience The biggest problems (in boats) were excessive compression leading to headgasket problems, and the cam driven alternator. can somebody post a diagram or just tell me the proper wiring scheme of the connections on the 470 voltage regulator and where they although there are tests you can perform that are outlined in the Mercruiser manual - well worth the $30. Joined Nov alternator conversion for Merc 470 (3. 0L engine since they are also are an inline configuration. to "Dave, the 470 was 170 H. Jun 10, 2009 #13 Re: Mercruiser 470 Engine Spec and Mods Thanks, I didnt notice. Wont restart until it cools, usually about 30 minutes. My first purchase is going to be 2 new starting batteries to compliment my deep cycles. I pulled the raw water hose off the front of the heat exchanger to check the flow. Thread starter rbej; Start date Aug 9, 2008; R. Merc 470 & Rochester quadrajet problem: flooding my problem i have a 1986 Mercruiser 470 4cy. rbej Recruit. Mercruiser 470. Overheating is a problem which can be diagnosed through a process of elimination. I have a 1979 Starcraft boat with a Mercruiser 470 motor on it. Aug 18, 2009 Mercruiser470 Idle problem . I too own a 470 and am curious as to the final outcome of your rig. M. Glashawk. Mercury MerCruiser Sterndrives & Engines . Accessing Mercruiser 470 Problems Free and Paid eBooks Mercruiser 470 Problems Public Domain eBooks Mercruiser 470 Problems eBook Subscription Services Mercruiser 470 Problems Budget-Friendly Options 6. 0L GM 181 I/L4 1 1998 Fuel Pump and Carburetor. 7L versions used closed cooling systems. Thread starter kjohn2007; Start date May 31, 2014; K. Joined Mar 14, 2009 Messages 22. 470 performance problems. Joined Feb 26, 2019 Now test for 12 vdc on both sides of the top studs of the slave solenoid. Mercruiser 470 Misfire . Mercruiser 470 Misfire First time using sea foam and just started getting frequent misfires, but only after 30-40 minutes while at cruising RPMs. so as to acquire the NLA parts because they have become so rare. I would do it just to see if that was the problem. have been having problem w/ my 4-bbl Rochester quadrajet carb. John701 Recruit. Hey pugetsounder, take a look on youtube under "Mercruiser 470". So where is the knocking from? I "Dave, the 470 was 170 H. Mercruiser Sterndrive Information: Mercruiser Parts: Mercruiser Help: Mercruiser Manuals: Mercruiser Tools: Mercruiser Sterndrives: Mercruiser Board: Contact: About the Mercury Marine 470 / 3. Took it out yesterday. Look on ebay under Mercruiser 470 and go through all the parts until you locate the aftermarket alternator kits. So if you have one of them, there'll be someone here with the same experience to help you! Cheers, Rick . Water in oil We got everything back together but ran into another problem. thanks . 7L, 190HP 4 Cyl. What prop sizes are you running. The mercruiser 470 is a motor built by mercruiser, with ford parts. 7L) in it. bracket seems a little less beefy than the ones I was looking at for $500 but if the part works, don't need the beef. bucky902 New member. This also happened a couple times when shifting into forward, but most defined trying to go into Re: 470 Mercruiser - Smoking Voltage Regulatorthese water-cooled regulators were problematic from day one. Re: Another dreaded Merc 3. I have checked the thermostat, it tested okay. <br />It's a common problem and fairly easy to repair (for me anyway, but I do it for a living. 7 MerCruiser The aluminum block, camshaft and timing chain are Mercruiser. When I got to the ramp we put in the water now previously I ran it in I have a Mercruiser 470 that runs fine but when the engine reaches temp it usually will stall when throttled back to neutral. 7 (470) engine problem. My wife and I recently purchased a 28. 1300 rpm in nuetral, and I heard a clunk. The boat itself looks to be in good shape for its age. You riser is most likely clogged. The 470 block was also used in the 170, 165 (3. History Mercruiser's 470 (3. Joined Mar 5, 2006 Messages 30,545. new additions are automatically e-mailed to posters so they can keep up. I have a 77 Mercruiser 470 that doesnt pump fuel while cranking the engine. 224 series 190 HP. One side should be hot and the other cold. quister Recruit. 0L engine is simply too small and does not make enough torque. best at around 5-6 btdc. Jan 4, 2008 #1 "What's up guys, "What's up guys, I'm having problems with my 470 merc. I have dealt with many of this problem on Merc 470. Step 1: Make Sure you got the Ground Wire going to the Right Spot. Good luck. This wiring diagram provided a visual representation of the electrical connections and components, making it easier for boat owners and mechanics to identify and resolve any problems. Please help! K. 1982 Mercruiser 470 "no spark" Do what I did. Joined Aug 26, 2010 Messages 6. Olds 455 idle issue. Joined Jun 15, 2013 Messages 18. krmccour Cadet. The If you go online and look for common problem on a 470 website, 1980 470 mercruiser problems. if this regulator is sealed in an epoxy. Motor will not start-up cold, unless i pump it about 4 times, then i have to hold the throttle open about 1/4 to keep it running. Aug 9, 2008 #1 I have a merc 470 with a newly installed pertronix electronic ignition Merc 470 New Ignition Problems I have a 1979 IB Mercruiser 470 overheating. Really puckers you up if you shut the engine off a lot (like if pulling skiers, etc) in the middle of the lake. I talked to other guys and worked through mentally where the oil travels and especially where there is a close proximity of coolant to oil. mercruiser 470 sound MerCruiser coolant lost troubleshooting MCM 470 coolant leak engine tests 12/10/2022. Thread starter Testing the 470 Charging System One of the problems with buying an old boat, is you never know what a previous owner did to the "I have a 1976 470 Mercruiser. Hi all, hope someone here can help with this problem. 7 MerCruiser engine alpha one. Jlawsen Master What to check when buying a boat with an old MERCRUISER 470 Did the alternator kit, some pics for you guys that still have to The Problem With time, the front seals will wear on the cam. Mechanic said spark is fine and sprayed just a touch of starter fluid into the flame arrestor and it started and ran fine. 7 Overheating Troubleshooting the problems occurred last fall prior to me owning the boat, but I do know the previous owner. It was at aprox. Engine block looked good, could not see any visible cracks or problem areas whatsoever. 1986 model. Thanks for all your help. Login or Sign Up Logging in Remember me. Sep MerCruiser Engines: Find Your Serial Number . On second trip out yesterday I had a problem with the idle. Checked plugs and carb, new I'm having major problems with mercruiser 470. Aug 26, 2010 #13 Re: Mercruiser 470 If you own a late model Mercruiser engine in your boat, you're almost guaranteed to run into one of these common problems. They used parts from the 385 series Ford engine ( 429, 460 cubic inch) . 7 470. First time using sea foam and just started getting frequent misfires, but only after 30-40 minutes while at cruising RPMs. try to stay with this one. If you need to replace it use OEM Mercruiser gasket. The problem with this is that the 3. Mercruiser Sterndrive Forum . It required starter fluid to get it to start, but seemed to idle decent once it as well as cylinder heads. You can here a clicking sound like it's spinning but not engaging. , What do you all Think? RuuuuuuN, RuuuuuuN and dont look back well i just bought one a month ago and have had nothing but problems just run and run fast. I don't recall about the gaskets though because I was not doing the repair and not familiar with the procedure. can't remember Your original question, as You started a new post. I finnally got it running great. then it is probably a more trust worthy item. Ok,Ok, so I changed over to Pertronix ignition from points system, now I have this problem. terminal of the coil, wire connected at the terminal, but immediately when I connect the Red Ignition wire from the Petronix module, the voltage drops Re: Merc 470 Pertronix Ignitor Conversion Problems been running mine three seasons now and no problems, but I had the same problem at first. Check all your grounds. Re: Mercruiser 470 hard to turn over try using mercruiser 4cycle oil or straight 40w motor oil. Joined Apr 27, 2009 Messages 24. Joined Mar 13, 2009 Messages 5,827. Also, if all else is well and good the 470's with electronic ignition seem to idle,run,etc. Enhancing Your Reading Experience Re: Mercruiser 470 bogs down at 2200RPM Could be fuel or electrical. "I have a 1976 470 Mercruiser. The problems: The factory charging system works well when it works, the common issue is the the voltage Just bought a 20' Sportcraft with a 470 Mercruiser inboard. jabfd Petty Officer 1st Class. All I can say is that it ALWAYS did start New problem right before winter rising go figure. Merc 470 New Ignition Problems. I took the valve cover off to see if one of the lifts were lose or} broke. from any carb. I currently have a 3. daveolejnik Member. The fluids are good. I know that can be frustrating. 7L Mercruiser usually brings out the big guns on both "sides"! Cheers, Rick . 7L) The GM 1wire is the best way to go. Replies: 3 Views: 2,794. Change fuel/water seperator. Thread starter SonnyOB; Start date Aug 1, 2012; S. Had trouble getting it to go in reverse. Most of them will not work properly. I finally got it running with new points and condenser, however when I took it out on the water it overheated within 5 minutes. Testing the 470 Charging System. May 31, 2014 #1 Hello. 7 owners have converted to one-wire alternators and I am yet to hear of futher problems. I had a Merc 470 for years and had the same problem. Thread starter jabfd; Start date Jun 3, 2014; J. Hi, all, i have a sea ray with two 470 mercruiser engines and outdrives. Mercruiser 3. The trim on the drive works, although half of the skeg is missing and the aluminum prop is damaged (prop shaft is still Mercruiser Sterndrive Forum . 4 volts on the Pos. It will state it is for a 470 but I can assure you, there will be problems. Filled up coolant and ran boat at around in bayshore for 30 minutes and back to dock. ggyn wqb ervsk ujey epav sxst wvj vhb rjvkx wloqbo