Question about Cars & Trucks
Starter wont engage to turn motor over put new one on it an it does the same thing
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Posted on Jan 02, 2017
engine crank thrusts worn and crank moved back enough to not engage ,with a manual the clutch would push it forewards.or the flex plate on the back of the torque converter damaged and broke in teh centre where bolts to the crank
Posted on Dec 27, 2008
Check your battery to make sure it has enough power and cranking amps to turn that starter and flywheel. Make sure that your cables are good and move them around to see if that helps. Sometimes those cables can break and corrode inside the outer covering and you can't see it which makes it hard to diagnose. Clean your battery posts and cables. Also another thing you can try is starting in neutral or rolling your car back a few feet to allow it release some tension and hopefully free up allowing it to crank over easier. When you replaced the starter did you make sure to slide it in place and tighten it down good? Did you use shims to allow proper clearance room?...
Posted on May 03, 2009
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
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You will need a new starter rebuilt ect. to replace the one you currently have that is defective. you sound like you are spinning the starter motor but the starter bendix is no longer engaging the flexplate/flywheel on the engine.
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