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1997 Volvo 850 TURBO WHINES IN DRIVE WHEN COLD

Tiny
DRYNBERG
  • MEMBER
  • 1997 VOLVO 850
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 114,000 MILES
My 97 Volvo 850 glt is great except lately she whines when put into drive and the engine isn't warmed up. I put in Gunk Engine desludger for 5 min idling, then drained and put in 10-30 synthetic and new filter. I also drained the turbo pipe that holds another quart of dirty oil. She still whines when cold in drive, but less loud and for less time, such as 300 yards, about two tenths of a mile. What is causing this? Weak oil pump? Should I be worried?
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Monday, September 28th, 2009 AT 2:07 PM

2 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
So does not whine until placed into drive makes me think the trans is making whine. If car warms up then no whine? I would think turbo would whine without need to be in gear.
Let me know what you think
Thanks for donate
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Tuesday, September 29th, 2009 AT 10:06 AM
Tiny
DRYNBERG
  • MEMBER
  • 4 POSTS
I don't think the transmission is involved because the sound doesn't appear if the engine warms up for two minutes after starting before going forward. I don't believe the transmission warms up in 2 min standing still, but the oil does that gets to the turbo adequately to avoid the whine.
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Tuesday, September 29th, 2009 AT 6:29 PM

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