Question about Ford Mustang
The new starters always turn the motor over the first three to four times but after that it no longer engages or the gear itself is shattered Ive checked the flywheel and Ive checked for clearances in the motor and also water/coolant leaks
Maybe you have a run of bad parts. Maybe the engine is trying to run backwards because of ignition timing or a crack in the distributor cap. If it is a high mileage engine, the thrust bearings are letting the crankshaft move forward and backward too much.
Posted on Mar 31, 2014
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Posted on Jan 02, 2017
SOURCE: 87 F150 5.0L Starter problems
you do not say that you got the vehicle in this condition so i am guessing that everything worked just fine for a while then all of a sudden it did this. it would be nice if you still had the starter that did work when you got the truck but i'm sure you turned it in for a core several starters ago. it may have had a different number of teeth on the gear that spins out and engages than the ones you are buying at the car parts store. if somebody changed the flywheel at some point in the life of the truck and used the starter that went to that flywheel that would cause the situation you describe. the only other thing i can imagine is the spacing on the starter, like maybe it needs to be shimmed to work properly. the way to check that is with a feeler gage after you bolt the starter up, but that is mostly general motors vehicles, probably not your truck. here is a way that you can check to make sure you have the right flywheel for your truck: get a paint pen or something that makes a mark you can see on the metal of the flywheel. now with the starter off get under the truck and make a mark on a tooth of the flywheel that you can see where it is when you start. oh yeah, you will need some help to do this. let the tooth you mark be number one. now have someone rotate the engine slowly (you might disconnect the coil so you don't accidentally start it, but you probably won't) and count the teeth on the flywheel, till that number one tooth comes back around. when you know what the number is on your flywheel call a parts store or the dealership and keep talking to people till you get somebody to tell you how many teeth it should be for your truck. if it doesn't match what you have then you know where the problem lies. at that point you can either replace the flywheel or figure out which starter goes to the one you have. if you already have the right one then i would check the tooth clearance. you should have .020 inch between starter gear teeth and flywheel teeth with starter fully extended. to check this you will have to connect the battery but loosely, bump the starter switch to get the starter to spin up and yank the battery negative while it is spun out. you can get the .020 check gage at a car parts store. hope that helps
Posted on Jun 12, 2009
In some Jeeps the nose bushings of the starter may go bad and in turn damage the flywheel which may have happened the first time on your unit. Once you have the starter removed you should see any physical damage. You may have to have some shims installed to decrease or compensate the starter system. There are cases where after the replace has been made the noise still exist. There could be damages to other parts which you may have to inspect further.
Posted on Jun 09, 2011
Possible. That, or maybe the starter has the wrong gear in it...there could be different ones, but I don't know for sure on this particular application.
Posted on Aug 28, 2011
you may need to check the fly wheel,,to see if the outer part of it has seperated from the inside..plus check the teeth on the fly wheel...
Posted on Oct 28, 2011
Sometimes the starter has to be shimmed to engage the ring gear of the flywheel
Posted on Mar 17, 2013
Tips for a great answer:
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Dead...? Sticky solenoid due to corrosion or glued up lubricant
and dirt ? dismantle and rub clean with some
emery paper. Worn starter motor armature brushes ? strike motor body with end of a piece
of timber whilst cranking; the jolt may encourage enough contact to get the starter
motor running for long enough for ignition to occur. ? For a permanent fix dismantle the
starter motor and replace the carbon brushes. Corrosion in the starter motor body between the
steel jacket and aluminium gear casting.? insert self tapping screw between the
two parts to bridge the corrosion? For a permanent fix remove motor and
strip down and wire brush components back to the metal and then reassemble.
Click, click, click ...occasional start Worn contact plates in solenoid failing to
provide high current to energize the starter motor windings? dismantle solenoid and replace copper
contact plates and plunger ring (readily available as an inexpensive overhaul
Wahr, wahr, warh...laboured motor Worn bronze bearings on the ends of the starter
motor are allowing the armature to run off centre and grind against the
surrounding field magnets on the inside of the motor body? dismantle motor and replace the bronze
bearings (inexpensive fix). Over-drawing motor - high current is drawn but
this is not translated into effective turning effort by the motor. The field magnet windings have begun to
short out, probably as a result of age or through over use in constantly
trying to start a poorly igniting engine ? replace/ exchange the starter motor as
the field windings of the stator magnets on the motor body are fried and beyond
repair. Wheeeeeeee ..no start Although engaged fully with the flywheel a
slipping pinion gear clutch means that the motor is ineffectual at turning
the engine over ? remove the starter motor and replace
the pinion gear on the end of the starter motor shaft
Lottery start...occasional no start
- replace/ exchange the starter motor as
armature windings are beyond repair.
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