Question about 1986 Ford Bronco II

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Starter teeth will shims on starter of a 2.9 V6 ford stop the starter teeth from wearing out? has new flywheel and starter

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

Posted on Feb 23, 2009

  • twatsoncecil
    twatsoncecil Feb 24, 2013

    Not that I know of.



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1995 olds achieva 3.1 liter v6 does the starter require shims its a new starter makes noise but doesnt start the engine

I'm not familiar with your vehicle, but I've never encountered a vehicle needing shims on a starter motor.

What may happen is the teeth on the ring gear - the teeth on the outside of the flywheel - become worn. The starter meshes with these teeth and spins the engine to start it. If the teeth are worn the starter cannot mesh with them and consequently, can't turn the engine over.

Because of compression the engine usually stops in the same position - the worn teeth are at the starter.

Try turning the engine by hand/with a wrench through 180 degrees so that any worn teeth are away from the starter, and then try starting it. If the engine spins - the fault is worn teeth on the flywheel.



Jan 05, 2016 | Cars & Trucks

2 Answers

I have an 88 ford bronco 2 v6 automatic 2wd. I replaced The flywheel twice because it kept breaking. Someone told me I should get a new torque converter that a faulty one could be causing the flywheel...

Two major possible causes here:
1. Your starter is not engaging the teeth on the outside of the plate properly, as shown by chewed-up teeth, both on flywheel [actually called a flexplate on automatic], and on starter. Dirt trapped in between the starter and the housing will keep it from mating properly, and cost you big bucks. Shims are available to get the teeth exactly lined up.
2. OR your torque converter is indeed not true to the engine drive-shaft, causing pressure off-center. That would cause the flexplate to break out at the center. If this is how your plates broke, you probably will need a new automatic transmission.
If you also have engine oil back there, the rear bearing of the engine could be shot, indicating bad things. Have a pro check both shafts for sloppy bearings.

Aug 07, 2013 | 1988 Ford Bronco II

1 Answer

Shim location

Shims can be where the starter case meets the bell housing. There are not many models using shims anymore, they were used a lot in GM vehicles, not so much in Ford products.
The gear on the starter drive needs to mesh with the flywheel teeth. Sometimes a starter would rock loose in its mount and wear the starter case or the bell housing. When you try to align the 2 parts, it would throw off the mesh of the gears and teeth. The shims are usually patterned after the shape of the facing of the parts. You may need to go to the Dealer for these shims.

Jun 09, 2013 | Mercury Cougar Cars & Trucks

1 Answer

1999 m cougar 2.5 v6 auto. the starter grinds it usually takes about 5 or 6 trys to start the car. a shop told me it was the fly wheel but i jacked up the car and there are no teeth missing on the fly...

Teeth may not be missing on the flywheel, but they are supposed to be a certain thickness and the teeth may have worn too thin to mesh correctly.

Some cars also use shims to change the angle in which the starter contacts the flywheel. You may want to check with a local auto parts store to see if a new starter comes with shims.

Jun 10, 2011 | 1999 Mercury Cougar

1 Answer


It may be the starter dive teeth are worn from hitting the flywheel. Replace the starter drive or easier yet just install a rebuilt starter. If there were shims in the old one replace the shims in the proper location or you may need to either leave them out or add more to be sure the starter drive is properly engaging the flywheel.

Feb 24, 2011 | 1988 Ford F 250

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

1 Answer

How to take a starter off of an 85 chevy caprice

Starter REMOVAL & INSTALLATION Fig. 1: If necessary disconnect the exhaust pipe(s) from the manifold(s) for access to the starter assembly 85313018.jpg Fig. 2: Once disconnected, the pipes should be suspended out of the way using wire or an old coat hanger 85313019.jpg Fig. 3: Although usually not necessary, the torque converter cover may be removed for additional access 85313020.jpg Fig. 4: Once the bolts are removed, the cover may be lowered from the transmission 85313021.jpg Fig. 5: The starter solenoid wiring should be tagged and disconnected 85313022.jpg Fig. 6: Various sized deep sockets will make disconnecting the wiring much easier 85313023.jpg Fig. 7: Loosen the start mounting bolts 85313024.jpg Fig. 8: Support the start and withdraw the bolts 85313025.jpg Fig. 9: Carefully tilt and lower the starter assembly from the vehicle 85313026.jpg Fig. 1: Check the gap between the starter pinion and flywheel 85313027.gif Fig. 2: Starter motor mounting — V6 (left) engine and diesel (right) engine 85313028.gif
Fig. 3: Starter motor mounting — inline six cylinder (top) and V8 engine with solenoid heat shield 85313029.gif
Starter noise during cranking and after the engine fires is often a result of too much or tool little distance between the starter pinion gear and the flywheel. A high pitched whine during cranking (before the engine fires) can be caused by the pinion and flywheel being too far apart. Likewise, a whine after the engine starts (as the key is released) is often a result of the pinion-flywheel relationship being too close. In both cases flywheel damage can occur. Shims are available in 0.015 in. sizes to properly adjust the starter on its mount. In order to check and adjust the shims, you will also need a flywheel turning tool, available at most auto parts stores or from any auto tool store or salesperson. If your car's starter emits the above noises, follow the shimming procedure below:
  1. Disconnect the negative battery cable.
  2. Raise and support the vehicle safely using jackstands.
  3. Remove the torque converter cover on the bottom of the bell housing.
  4. Using the flywheel turning tool, turn the flywheel and examine the flywheel teeth. If damage is evident, the flywheel should be replaced.
  5. Insert a screwdriver into the small hole in the bottom of the starter, then move the starter pinion and clutch assembly so the pinion and flywheel teeth mesh. If necessary, rotate the flywheel so that a pinion tooth is directly in the center of the two flywheel teeth and on the centerline of the two gears, as shown in the accompanying illustration.
  6. Check the pinion-to-flywheel clearance by using a 0.020 in. wire gauge (a spark plug wire gauge may work here, or you can make your own). Make sure you center the pinion tooth between the flywheel teeth and the gauge — NOT in the corners, as you may get a false reading. If the clearance is under this minimum, shim the starter away from the flywheel by adding shim(s) one at a time to the starter mount. Check clearance after adding each shim.
  7. If the clearance is a good deal over 0.020 in. (in the vicinity of a 0.050 in. plug), shim the starter towards the flywheel. Broken or severely mangled flywheel teeth are also a good indicator that the clearance here is too great. Shimming the starter towards the flywheel is done by adding shims to the outboard starter mounting pad only. Check the clearance after each shim is added. A shim of 0.015 in. at this location will decrease the clearance about 0.010 in. Battery and Starter Specifications Chart
    Battery and Starter Specifications Chart (Cont...)
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Sep 01, 2010 | 1985 Chevrolet Caprice

3 Answers

My starter is grinding in my 85 bronco just put it in

There are several transmissions available for this truck, and you often have to add or remove shims for proper starter gear engagement in the flywheel/flexplate.

Did you check the for proper engagement when installing the new starter?

Nov 10, 2009 | 1985 Ford Bronco II

2 Answers

Starters grinding

further apart might have to use 2 shims if the starter is after market

May 16, 2009 | 1996 Chevrolet Suburban

1 Answer

Teeth on starter wearing down after new flywheel?please help

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.

Feb 22, 2009 | 1986 Ford Bronco II

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