1988 Chevy S-10 timing chain

Tiny
FREEON3RET
  • MEMBER
  • 1988 CHEVROLET S-10
Engine Mechanical problem
1988 Chevy S-10 6 cyl Two Wheel Drive Automatic

i recently aquired a 1988 chevy s10 durango 2.8 v6 tbi it hasent ran in 2 yrs I put a fuel pump on got it running drove it around the block 5 times let it sit for a month went out to fire it up it ran for about 5 mins and BAM it shut down oil every where the timing chain broke busting the front cover and the tensioner too. What would cause this to occur?

PLEASE HELP THANK YOU.
Wednesday, September 1st, 2010 AT 7:37 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

With out being able to investigate the failure first hand I can only offer my summation on what may off happened, there could have been a number of reasons, but I feel the most likely are a failure of the tensioner, a chain failure due to stretch, this could also account for a tensioner failure as if the chain was well over length due to wear the tensioner may not have been able to take up all the slack, a failure of a chain runner allowing to much slop in the chain, a failed tooth on a drive gear, maybe a closer investigation of the failed components will shed some light on this for you.

Mark (mhpautos)
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Wednesday, September 1st, 2010 AT 7:47 AM

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