RWD - Timing belt off.... Yikes!

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Timing belt off.... Yikes! S90-V90

V90 with 170K miles, good overall condition.

Sunday night returning home on the Interstate @ 70mph, heard a mighty thump, my car coasted to a stop. Would not crank, engine locked up. Got her home now and have had a peek inside the timing belt cover. Seems that the tensioner pulley failed (it's sitting at an angle) and allowed the timing belt to slip off. Before you ask, yes I did change belt, pulleys and water pump at 141K miles.

Choices:
1. Have called local Volvo indy mechanic, they say they will do the job of removing head, send out to machine shop, changing out all 24 valves, seals etc for about $2400 parts and labor.

2. Purchase a second hand engine, and pay to have it installed. I know the local wrecker that specializes in Volvos and VW has these engines.

3. Tackle the job myself. I consider myself a patient and carefull backyarder with intermediate skills, have changed heads etc on my old 740. Of course I would take the head to a machine shop for the actual head and valve work.

Any suggestions, advice, encouragement very welcome.
Have ordered the Volvo engine manual.
I have read over another procedure to remove/replace the head as well as the FAQ section and this job seems doable for me with my tools and skills. Puzzled about what special tools are "nice to have" and which ones are "must haves".
The tool which pulls the upper head down into place seems to be important. Why can't that be done with slightly longer bolts in say 6 or so holes just to start pulling it down until the regular bolts have a good hold. Washers could be used as required as these longer bolts would want to bottom out as the head comes down. When it's down all the way of course the longer bolts would be replaced with the correct ones. Are the other tools such as crank and camshaft holders really needed assuming one understands the importance of somehow maintaining crank and cam in the correct position when installing the upper head.

Would appreciate all reponses and will post progress.
--
David Hunter




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New Timing belt off.... Yikes! [S90-V90]
posted by  david hunter  on Tue Dec 13 15:51 CST 2005 >


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