2ltr ac engine problem

Post by **woodola** » 31 Jul 2010, 16:30

i have a noise coming from my engine which i can only describe as sounding like pinking this noise gets louder the higher the revs was wondering if any one could help with a diagnoses any help would be apprieciated

Post by **VWCamperfan** » 31 Jul 2010, 16:34

When under load, out of gear, going uphill?

Post by **woodola** » 31 Jul 2010, 16:38

all three

Post by **cygnak** » 31 Jul 2010, 16:41

What's your timing set at?

Post by **VWCamperfan** » 31 Jul 2010, 16:43

Hmmm... It could pe pinking but not likely as pinking is going to happen under load, not when out of gear.
Does it do it from cold and carry on through to when the engine is hot?

Post by **woodola** » 31 Jul 2010, 16:45

timing was set by a vw garage so i couldnt tellyou

Post by **woodola** » 31 Jul 2010, 16:47

seems to be more noticeable when it warms up

Post by **dugwiththevwbug** » 31 Jul 2010, 17:13

timing is to advanced the CU engine should be timed at 7-8 degrees after top dead centre
pinking is predetonation firing to early in the cycle.

most other VW engines are timed before top dead centre

get your garage to check again or you may do big harm to the engine.

have you changed ht leads recently?

regards doug

Post by **Tug** » 31 Jul 2010, 17:16

Sounds like a follower. Mine occasionally does it ....I just turn the radio up

Being serious Im going to drop some 20/50 Morris oil in mine shortly...its running on Mineral 15/40.

What grade of oil is in it ?

Post by **VWCamperfan** » 31 Jul 2010, 17:16

May not help but check all your tinware is done up tight. Had to re-tighten mine recently... Sounded like a rusty old bag of spanners!

Post by **woodola** » 31 Jul 2010, 17:16

will do

thanks doug

Post by **woodola** » 31 Jul 2010, 17:20

use straight 30 classic

Post by **woodola** » 31 Jul 2010, 17:22

will check the tinware thanks mark

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2ltr ac engine problem

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