The message to which you are about to reply is shown first. GO TO REPLY FORM



 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

Bent Valves/Flat Lobes? Curious

posted by  someone claiming to be Rhys on  Thu Nov 21 12:44 CST 2002 [RELATED]

The V-6 PRV engine loses oil delivery (volume) to the head over time due to blockage in the timing cover area. The rockers and cam lobes wear off quickly at that point. Replacing the cams and rockers doesn't fix the problem of poor oil distribution. The trick of removing the cams through the firewall (cam bearing bores are stepped bigger to the rear!) is a VOLVO dealer advised repair method. I have seen lots of cars with plugs glued over the firewall holes.
There is no cheap repair of these engines - they are a poor design in terms of valve train. Big tough cranks, great ports, stout rods and pistons. And it all means nothing because you can't keep cams, rockers, and chains in them.
Replace the engine with a four (big job, little upside), or sell the car. Never buy a V-6 PRV again.
And by the way, Volvo had no part in the design, only Renault and Peugeot.
I have rebuilt a couple for customers who didn't believe me. They run fine until they miss a few oil changes. At this age, nobody wants them rebuilt anymore, which is fine by me.






USERNAME
Use "claim to be" below if you don't want to log in.
PASSWORD
I don't have an account. Sign me up.
CLAIM TO BE
Use only if you don't want to login (post anonymously).
ENTER CAPTCHA CODE
This is required for posting anonymously.
OPTIONS notify by email
Available only to user accounts.
SUBJECT
MODEL/YEAR
MESSAGE

DICTIONARY
LABEL(S) +
IMAGE URL *
[IMAGE LIBRARY (UPLOAD/SELECT)]

* = Field is optional.

+ = Enter space delimited labels for this post. An example entry: 240 muffler


©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.