[Vwdiesel] Compression check with Hyd lifters and Alum head
Val Christian
val at swamps.roc.ny.us
Tue Jul 27 22:20:22 EDT 2004
> Anti seize. If they're wanting to take it in then YOU pull the plugs
> ahead,
> while cold, and put some on the threads. Then it won't be an issue pulling
> them hot. Usually a lifter doesn't tend to bleed down THAT much just
> cooling off (surprisingly) but you want the engine warm for a compression
> check. The oil pressure usually comes back up while cranking since you
> need about 8 to 10 revolutions/test but you have all the plugs/injectors
> out so that the starter is only fighting one cylinder instead of all 4 (or
> however many).
I agree with Loren. Also have a battery charger on hand and top the
battery off prior to compression testing.
I test compression on gassers and diesels, with all plugs/injectors pulled.
Since the injectors and plugs already are slobbered with neversieze,
all my compression checkers have neversieze throughout. It's probably worked
into each of the gauges.
Speaking of compression gauges...I have a K-D diesel compression gauge.
It has a quick disconnect, and came with MB, VW and GM adapters.
Now I'm looking for a TDI adapter. Any suggestions?
Val
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