1986 Toyota Pickup Loud clunk noise when starting truck

Tiny
RAYCHRIS1
  • MEMBER
  • 1986 TOYOTA PICKUP
  • 4 CYL
  • 2WD
  • MANUAL
  • 175,000 MILES
When I try to start the truck sometimes the engine makes a loud clunk noise. The truck acts like the engine is seizing up and it dies. I can restart it and it works fine. I know the starter is going bad but I was wondering if the flywheel also may be having problems.
Tuesday, January 13th, 2009 AT 9:13 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi raychris1,

Where noise problems are concerned, it is never easy to diagnose without physically understanding.

A bad flywheel ring gear would always produce a whining noise as if the starter is freewheeling when the engine does not crank. The clunk noise that you mentioned can be anything from a bad starter to a lloosely mounted starter due to loosened bolts.

If it is the starter alone, the engnine should not stall after starting. You would need to check the engine for faults.
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Wednesday, January 14th, 2009 AT 10:01 AM

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