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1998 S70 T5 Serpentine pulleys

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
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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mar601
Posts: 364
Joined: 17 April 2011
Year and Model: 1998
Location: midwest us
Has thanked: 34 times
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1998 S70 T5 Serpentine pulleys

Post by mar601 »

Getting some noise from the serpentine belt when engine is cold but goes away after warm up -- sort of a grinding noise. I'll assume it's one of the pulleys? I see an idler pulley and tensioner pulley And it seems to be coming from the idler pulley anyway. Thought I'd order both -- should fix it right? Looks like I don't have to replace the entire tensioner?

cn90
Posts: 8255
Joined: 31 March 2010
Year and Model: 2004 V70 2.5T
Location: Omaha NE
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Post by cn90 »

Correct. I'd keep the tensioner.
I'd replace the serpentine belt if it has more than 110K miles.

The tricks to replace the pulleys are below:
https://www.matthewsvolvosite.com/forums ... hp?t=53722
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

mar601
Posts: 364
Joined: 17 April 2011
Year and Model: 1998
Location: midwest us
Has thanked: 34 times
Been thanked: 5 times

Post by mar601 »

thanks very much

mar601
Posts: 364
Joined: 17 April 2011
Year and Model: 1998
Location: midwest us
Has thanked: 34 times
Been thanked: 5 times

Post by mar601 »

that drawing in your link isn't right -- I'm not doing the work anyway but my 98 S70 T5 is layed out like
this --

https://www.matthewsvolvosite.com/forums ... =1&t=60456

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