After just 10K miles on my new 1.6 litre TD engine, I find that it began running very rough, like on three cylinders. I loosened each injector in turn to ascertain that #3 cylinder was not firing. I checked the compression on that cylinder and found it to be zero! I poured a few tablespoons of oil down the hole to seal the rings better if they were badly worn, and checked the compression again. Read only 20 pounds. Must be problem valve(s). I'm thinking that there must be a tiny piece of carbon wedged between the seat and the valve, keeping it open just a fraction of a millimeter, thus zero compression. Right? ? ? Is there an optical snake one can introduce via the injector or glow plug hole, which could snake around and have a look at the valves, and while it's at it nudge the offending particle out of the way? Is the only alternative now to take off the head to correct this minor but annoying difficulty? The beast does not burn any Delvac 1 synthetic oil, nor is the coolant circuit pressured up nor does the coolant level drop over time. Can a hydraulic lifter fail, and expand too much, thus keeping the valve open a tad at all times? ? Annoyed at having to take off the hydraulic head after just 10,000 miles....... gary meek alberta, canada 82 Vanagon TD 83 Quantum TD Still looking for Eurovan front clip.....anyone, anyone |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.