Volvo AWD 850 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 4/2003 850 INDEX

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

COMPRESSION TEST 850

You definitely have some worn or stuck rings for the compression to increase 50% like you described. Looks like the engine wasn't maintained very well before you bought the car. If it's gummed up the treatment may help but don't expect anything to happen quickly. Additives are designed to clean gradually so that the oil passages don't get blocked it may take thousands of miles of driving to see a difference. Getting the rings replaced would be very expensive.






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New COMPRESSION TEST [850]
posted by  WALDO850  on Thu Sep 8 01:41 CST 2005 >


<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.