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Old 08-08-2004, 05:18   #1 (permalink)
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EB - 6 - Lack of compression!!!!

Guys,

Hope you can help - Car wouldnt start the other night (EB6 - Single point on gas)

After some investigation, found that all 6 compressions are between 35 - 70 psi - can hear a valve poping from the rear when cranking. Drove the car home 1 night and went to go out a few days later - did not want to start and I could hear it was cranking different.
Normally - no worries - plugs done 2 weeks ago - been going great. Have done wet comp test - no difference (bottom end ok then). Valve timing is also ok - valves appear to be straight on rockers and going up and down ok. Oil coming out of lash adjusters. Can definately hear a "valve" type noise but I am stumped that all 6 are this low with no signs before hand.

Please help
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Old 08-08-2004, 07:39   #2 (permalink)
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Re: EB - 6 - Lack of compression!!!!

Squart some oil in there see how much it comes up ???
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Old 08-08-2004, 15:49   #3 (permalink)
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Re: EB - 6 - Lack of compression!!!!

As per post - been done - made almost no difference.

It seems like valve timing is out but is not - lifters pupmed up ok also

Can hear a "fluffing" noise out ofg exhaust whilst cranking - but remember - all 6 cylinders low on comp! (No warning at all)

As it wont start - something has gone astray!!!
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Old 08-08-2004, 17:45   #4 (permalink)
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Re: EB - 6 - Lack of compression!!!!

Guys,

My thoughts - Oil pressure to high and has pumped up the lash adjusters - this way holding the valves slightly open.

I will test if the valves are riding tonight - but if this is the case - Oil filter? Prtessure releif valve on oil pump?
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