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1991 Jeep Cherokee

Tiny
MEEVES1949
  • MEMBER
  • 1991 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 183,000 MILES
When you start engine it clatters loudly for 2-3 seconds and then smooths out and runs fine. Do you think this is a big problem?
Monday, February 22nd, 2010 AT 3:13 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like a valve lifters leakdown problem-when it pumps up while idling and gets to operating temperature it disappears till next cold starts
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Monday, February 22nd, 2010 AT 3:42 PM
Tiny
SCOTTY DEE
  • MECHANIC
  • 592 POSTS
Could be a leakdown problem if there are driveability issues. More than likely there are oil passages that have become restrcited over that last 19 years that is keeping the oil from getting up top as fast as it should. It may not be a bad idea to try some chemical in the engine oil (BG) to see if you can free up the startup flow.
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Monday, February 22nd, 2010 AT 6:51 PM

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