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Oil pressure drop when motor's warm

Tiny
JOEFLEENOR
  • MEMBER
  • 1997 CHEVROLET S-10
  • 2.2L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 186,000 MILES
Truck runs great but once warm the oil pressure drops and has slight rattle when trans shifts gears.I have been told that its the rod bearings and is common for this motor 2.2. My questions is if I can just replace the rod bearings and fix the problem or should there be more done while the motor is out?I'm just trying to prevent destroying the motor but yet get it back on the road asap and affordable as possible. If other repair should be performed, what would it be?
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Saturday, March 29th, 2014 AT 5:31 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Why don't you just replace both rod and main bearings-you're in that far if its me I'll do it-
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Saturday, March 29th, 2014 AT 6:01 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Manually check oil pressure with a gauge first if it has 4 lbs it's ok. The rattle shold be checked locally normally rod bearings will make noise constantly
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Sunday, March 30th, 2014 AT 8:51 AM

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