[ROVERNET - UK] Rover P6B - compression test query
Kent Kinard
kkinard at wcc.net
Thu Nov 30 15:01:13 GMT 2006
Looks like Glen's post and mine passed each other. If I
wasn't so long winded, I could have read his first. Nice
to know we agree.
Roverly,
Kent K.
On Thu, 30 Nov 2006 09:44:21 -0500
Glen Wilson <rovercar at comcast.net> wrote:
> John Burkhard wrote:
>> Hi Peter,
>> Be sure to check the crankcase pressure and if John has
>>the tools do a
>> leak down test. For this test the engine should be cool
>>and will take
>> a few hours to do. Please do remember the old adage
>>about the
>> weakest. link.
> It's also worth remembering that, in general, high
>crankcase pressures in the Rover V8 may not be due to
>gases getting past the rings at all if the cylinder heads
>are leaking into the valley area due to a bad seal at the
>head gaskets. Remember that the cylinder head bolts must
>not be torqued to the original settings that are in the
>workshop manual. If the heads were off and someone
>installed them per the directions in the workshop manual,
>they WILL leak into the valley and pressurize the
>crankcase thereby forcing oil and oil vapors out.
>
> Glen
>
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