I have a 1996 Chevy c1500 w/t v6 Vortec & I replaced the starter & flywheel & it ran for a couple months then the starter stopped hitting the flywheel (it just sounded like it was spinning) & wouldn’t start again, shims didn’t work. Got a new starter & it starts again but every couple months I have to warranty the starter & put a new one in. I’m on my 4th starter. Why does it keep going through starters?

  • Welcome to Motor Vehicle Maintenance & Repair! – Pᴀᴜʟsᴛᴇʀ2 Nov 28 '19 at 2:52
  • What is wrong with the starters? Are the teeth worn? Do the protract when voltage is applied or do they only spin? I would do CSI on your bad one for clues – Chris Nov 28 '19 at 3:48
  • Adding shims moves the teeth away from the flywheel in many cases - are you sure you are going the right way? – Solar Mike Nov 28 '19 at 5:00
  • My opinion is to release engine belt and try to rotate the following Alternator pulley , A/C compressor pulley , adjuster pulley, water pump pulley If they are all fine , it might be a ( bended crankshaft) Question, if you accelerate do you her like ( ttrrrrr) sounds from engine? – Life Under Table Nov 28 '19 at 13:33
  • One the starters the teeth were bent & I have shimmed it with all different size shims could try & they hit to hard once it’s shimmed. No the engine sounds normal very strong. – Andreaa Laurenn Walshh Nov 30 '19 at 4:47

The reason for the failures can vary. Are the starters new, rebuilt or remanufactured? It is possible that the rebuilder was supplied with a substandard component. If that is the case, you will be replacing your starter until that inventory is used up. Talk to your supplier and see if they can source you a different brand or perhaps the next model up in the price tier.

  • I have two starters I put in one is the one the part store comes up with that’s made for my truck & the other is for high torque & they both last only a couple months before they stop hitting the flywheel. – Andreaa Laurenn Walshh Nov 30 '19 at 4:44

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