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new serp tensioner help

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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louty
Posts: 154
Joined: 21 February 2010
Year and Model: s70 1998
Location: oregon

Re: new serp tensioner help

Post by louty »

precopster wrote:What happened to the old tensioner?

For my '99 V70 and for a XC70 '02 I sold I refurbished my older type by finding a seller in eBay USA that was selling a pulley only which was the same outer diameter. I recall emailing the seller for dimensions. It was a Gates brand pulley. I had to shave 1mm from each face side with an orbital sander; took 2 minutes and I had a reliable solution. Only problem is that I can't reuse the plastic cap. Using the 14mm bolt is so easy.

If you still have the old one look into it as you can always put the new one back on eBay for an indie shop that has the factory tool.
Im actually headed back to see if the new pulley ( and bearing) and bolt will fit the old tensioner. or if the old bolt will fit the new pulley and bearing set up. the mission is to replace the bearing since this one has 205k miles on it.
I did talk to my local dealer, of course they dont want to help, they are exclusive in a small town, and have an attitude.
if its a new part ( or superseeded for the older ones) and what is needed, owning 3 in ths family, Id buy a tool, they said there is not a new tool for this other than a torx and a breaker bar, whcih I think he was just repeating what I said I had tried.
and of course, why dont you bring the car in, ka-ching

louty
Posts: 154
Joined: 21 February 2010
Year and Model: s70 1998
Location: oregon

Post by louty »

done
mount old tensioner
hang new belt
grab 14mm wrench and twist
done
10 minutes includes mounting tensioner
not what I wanted to do, but its done and my son can have his car back
done

what a nightmare for just a stinking serp belt

precopster
Posts: 7543
Joined: 21 August 2010
Year and Model: Lots
Location: Melbourne Australia
Has thanked: 8 times
Been thanked: 128 times

Post by precopster »

You can always get one of these and do it later: http://www.ebay.com/itm/DAYCO-89133-Bel ... dd&vxp=mtr

Looks like it has the ridge on it so the cap can go back on, unlike the Gates one I bought.
Current cars VW Transporter 2.5TDI, 2010 XC90 D5 R Design

louty
Posts: 154
Joined: 21 February 2010
Year and Model: s70 1998
Location: oregon

Post by louty »

yep, im either gonna do that, or make a bar and weld on a torx bit that fits the torx in the new pulley syetem

but its done for now, and being picked up in a few hours

cn90
Posts: 8260
Joined: 31 March 2010
Year and Model: 2004 V70 2.5T
Location: Omaha NE
Has thanked: 4 times
Been thanked: 472 times

Post by cn90 »

For future reference, you can make the serp belt tool for cheap.
Find a used lawn mower blade (make sure you dull the sharp part of the blade) or a straight piece of metal (Home Depot has it).
Then go to local muffler shop and ask them to weld the T60 bit for you. Most muffler shops do this for about $5-$10.

I took this photo from another website to show you the home-made tool.

PS: I misspelled the word "Lawnmower Blade" in the pic but the picture is worth 1000 words!

T60.JPG
T60.JPG (80.18 KiB) Viewed 428 times
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

louty
Posts: 154
Joined: 21 February 2010
Year and Model: s70 1998
Location: oregon

Post by louty »

nice cheap idea

precopster
Posts: 7543
Joined: 21 August 2010
Year and Model: Lots
Location: Melbourne Australia
Has thanked: 8 times
Been thanked: 128 times

Post by precopster »

louty wrote:nice cheap idea
It's simply beautiful when technology meets homegrown inventiveness.
Current cars VW Transporter 2.5TDI, 2010 XC90 D5 R Design

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