Question about 1986 Ford Bronco II

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Teeth on starter wearing down after new flywheel?please help

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  • ragman88 Feb 23, 2009

    will this help a 2.9lt ford v-6?


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This is fairly common, you will have to shim the starter to adjust for the different clearance and you can usually get shims from any part store.

Posted on Feb 22, 2009

  • Randy McCall Feb 23, 2009

    yes, a lot of vehicles regardless of engine or transmission type will require shimming the starter whenever you change the starter or the flywheel due to small differences in the machining of the parts, ecspecially if you buy your parts from someone other than the dealership.


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My starter is engaging but it is not hitting the flywheel to let it turn the engine over could that be from a bad flywheel or not haveing the shims in the starter

Yes and yes, but if you are lucky it could be a bad starter bendix. Remove starter to examine and check flywheel teeth as well.

Jun 20, 2016 | Cars & Trucks

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A 93 Ford Taurus Sh 0 Starter problems the end of the starter that goes into the bellhousing had wear and tear on it does that mean it was misaligned or not torqued down correctly also the starter seems to...

if the starter was misaligned it would make terrible noise when cranking the motor. check the flywheel teeth as if its worn can cause wear on the starter, to fix flywheel and starter replacement is required. check the threads in the bell housing and on the bolts if they are worn can cause bolt looseness. try putting locktite blue on the threads when reassembling.

Aug 22, 2014 | Cars & Trucks

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Worn teeth on flywheel

Worn teeth on a flywheel are usually a result of a starter problem such as a drive or the starter not lined up properly or loose causing the starter driver gear to mismatch with the teeth on the ring gear. This eventually wears the teeth on the flywheel away. Transmission will have to be unbolted and moved back for enough room to work or completely taken out. The flywheel will need to be replaced or you can get a new ring gear cut the old one off , weld the new one on then balance it. Best just to get a new one unless you have a real shop. LOL Nowadays most mechanics just get a new one, less hassle and quicker plus I don't think half of these yahoos would know how to properly replace the ring gear anyway. Check your starter for damage also.

Jul 09, 2014 | 1988 Ford Ranger

1 Answer

1986 Ford Ranger starter problems

it could be the battery and if not enough power is going to starter it will not ingage fully engage and cause slight wear on teeth...Now over years teeth will wear on flywheel but should be ok if none are missing....the freely turning on flywheel is incorrect is hard to turn either way...would have battery checked first....hope this helps....

Aug 18, 2012 | Ford Ranger Cars & Trucks

1 Answer

1994 Camry 4 Cylinder-Starter spins fine but does not seem to engage the flywheel. I have a new starter and battery. Im not ready to get into the flywheel. What else can I test to see why its not engaging...

Well, the easiest solution is to pull the starter and bench test it. Likely areas for your issue is the starter drive, and flywheel teeth. You need to inspect the teeth of the flywheel.

one quick test would be to manually turn the engine to another location and fresh teeth on the flywheel, and try starting again. Engines tend to stop at some spots, and that can cause unusual wear on teeth in one small location.

Sometimes rebuilt starter do not get all new parts, but only what is failing, so it is possible to get a malfunctioning starter drive. Starter drive failure usually turns the engine over briefly, then the starter disengauges....

Feb 05, 2011 | 1994 Toyota Camry

1 Answer

My 2002 ford explorer clicks when i turn the key on, i turn the key off and it starts no problem. but lately it is clicking more often. i have just installed a new starter and celinoid. any ideas?

double check the starter motor and make sure it is shimmed right if needed or it could be flywheel teeth are grground down from wear which means droping trannny and replacing flywheel good luck

Dec 09, 2010 | 2002 Ford Explorer

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My 1990 Camaro RS starter prblem. I saw the starter drive gear is using less or half of the gear on the fly weel like the starter needs a longer noise and the flyweel has marks from were the starter is...

So the engine is not original to the vehicle?

When replacing the motor, did you replace the flywheel with the one from your original motor or did you use the one it came with?

The cure would be to use the one from the original motor and then use your old camaro starter. It is very important to use a flywheel with the same amount of teeth, if it has a different amount YOU WILL have gear meshing issues not catching, grinding, sometimes starting perfectly while other times sounding like its missing. This is due to to incorrect # of teeth to match the flywheel to the starter.

The first step is to find out how many teeth the original part flywheel had if that's not the one mounted now count the teeth on the current flywheel, it should be either 168 tooth flywheel or 153 tooth flywheel.

The engine block doesn't matter if its from a camaro, blazer or chevy dump truck as long as the flywheel and starter have the proper amount of teeth to mesh. If that doesn't seem to be as much of an issue then you just need to add or remove starter shims until the starter teeth mesh with the flywheel teeth, NOT deeply but at about half way up the lead tooth. See proper gear meshing

Also make sure you did not put the flywheel on backward!!!
Also it may be a good turn flywheel and examine teeth for chipped or damaged teeth.
SAFETY TIP: Always remember to disconnect the battery when working with the starter.

Get a quality starter, not a part from the dirt cheap discount part store. Places like carry cheap **** that can cost you time and nerves. I once had a problem where I tried to by re-manufactured starter, exchanged it 3 times, then went for new, exchanged it twice and then returned it and went to a more expensive quality supplier and got a far superior product that actually worked perfectly. Because the part is new or freshly re-manufactured does not mean that it is a good part. The same goes for batteries, because you buy them new, sometimes they come DOA dead on arrival.

This is what a starter shim looks like

Here is another article on the topic that explains the issue pretty well.

Good luck!

Jan 11, 2010 | 1990 Chevrolet Camaro

1 Answer

Put new starter in 96 nisson a week ago now its real hard starting (grinding,not catching) i can get it to start but something wrong does it need to be shimed thank you

If it is making the noise I think it is, the problem is with the flywheel. The teeth on the flywheel wear out and when the starter goes to engage, it doesn't quite fully engage into the flywheel teeth and a makes a loud, sharp grinding noise, like you tried to start a running engine. What you can do is remove the starter and look inside at the flywheel. Make a mark, paint dot or crayon, and turn the flywheel with a screwdriver. If there are damaged teeth, and I suspect there are, they will be very evident. If that is the case, you will need to replace the starter (new starter will likely be damaged from your efforts to start your vehicle) and flywheel.

Dec 26, 2009 | 1995 Nissan Maxima

2 Answers

After replacing the starter the car wont start just get a clicking sound and i cleaned all connections on the positive and negative cable and still have same problem, what could it be

if all connections at starter and battery are good and battery is fully charged then you may have a bad starter.( new does not mean good) hope this helps good luck.

Oct 04, 2009 | 1995 Buick Regal

1 Answer

Starter teeth

Did it originally have shims as far as you know? They had them on the older vehicles for that reason.Definetly try it out.

Feb 23, 2009 | 1986 Ford Bronco II

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