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How I do a compression test Volvo 850, S70 - Video

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rspi
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Post by rspi »

This video will show you how to do a compression test on a automobile. This test was done on a Volvo 850 R. It will be the same on all Volvo 850, S70, and V70 cars built prior to 1999.

You should de-activate the ignition system and fuel system so that fuel will not be pumped into the cylinder chambers and the spark plugs wires are not trying to fire.

Last edited by rspi on 21 Jun 2013, 21:41, edited 1 time in total.
'95 855 T-5R M, Panther - 22/28 mpg, 546,000 miles
'95 955 T-5R Yellow Wagon, Lemonade, 180,000 miles
--------------------
Volvo's of past: '87 740 GLE, '79 262C Bertone, '78 264, 960's, '98 S70 GLT, '95 850 T-5R YellowVolvo Repair Videos

prienzo
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Post by prienzo »

Great video!
1993 850 GLT - Totaled
1998 S70 GLT - Sold
1999 Volvo V70XC - Sold
1997 850 GLT - Daily
2007 S60R - Tastefully modified and now the weekend car :)

polskamafia mjl
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Post by polskamafia mjl »

Do you think you'll try to replace the piston rings?
'All my money is gone and I have an old Volvo.' - Bamse's Turbo Underpants

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rspi
Posts: 7304
Joined: 05 Nov 2011, 10:40
Year and Model: 850 T-5R Wagon
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Post by rspi »

No. If it were one, maybe. It will be easier and cheaper to replace the motor.

This motor was run out of oil and the cam bearings are shot as well.
'95 855 T-5R M, Panther - 22/28 mpg, 546,000 miles
'95 955 T-5R Yellow Wagon, Lemonade, 180,000 miles
--------------------
Volvo's of past: '87 740 GLE, '79 262C Bertone, '78 264, 960's, '98 S70 GLT, '95 850 T-5R YellowVolvo Repair Videos

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