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Driveline making some noise when cold

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
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Bren
Posts: 58
Joined: 13 October 2015
Year and Model: 1998 V70R
Location: Canada

Driveline making some noise when cold

Post by Bren »

I get some noises coming from the driveline when k first get going with the car - up to about 15-20km per hr.

It's mostly howling type sounds - but once I get going and start going faster they go away - and when the car is warmed up and I go those speeds I don't hear anything...

Thoughts? Is this the bevel gear starting to die?
Garage:
1998 V70R
2006 XC90 2.5T - Family Hauler
1993 Audi S4 (Sold)
2001 VW Jetta 1.8T (Sold)
1988 Mazda 323 GTX (Sold in pieces)

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jreed
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Year and Model: '97 Volvo 855 GLT
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Post by jreed »

The howling sounds could be coming from the driveline. On my '97 85 GLT (~180k miles) the howling sound comes from the oil thermostat when the engine oil is cold.
1997 855 GLT (Light Pressure Turbo) still going strong. Previous: 1986 240 GL rusted out in '06, 1985 Saab 900T rusted out in '95, 1975 Saab 99 rusted out in '95, 1973 Saab 99 rusted out in '94

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abscate
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Post by abscate »

Bren..I would guess oil thermostat, which you can safely ignore.
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