| Moderated by: Greg Fletcher | ||
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JH16196 Member
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Greetings All, My wife's JH recently developed a lot of white smoke from the exhaust. Prior to this the car ran fine with only a trace of greyish smoke on acceleration. It happened immediately after starting a flooded engine. I thought it would clear up do to the flooded engine but the white smoke persists and gets worse as the car is driven. I understand white smoke from the exhaust is caused by coolant entering the cylinders and could be due to a blown head gasket or even cracked cylinder. So I did a few test to see if I could determine the cause. 1. Compression test good with all cylinders 175-180 lbs. Th ought this might show any issue with a blown head gasket. 2. Leak Down Test. All cylinders except #3 20% or under. But #3 around 50% leakage and bubbles appearing in the radiator. So this now looks like a blown head gasket. I was thinking it might also be a blown intake manifold gasket but no air leakage around this manifold. So wondering what others think about the diagnosis or other possibilities. Very strange if it is the head gasket why it would fail when trying to start a car with a flooded engine. Also, the head was rebuilt by Delta a few years ago due to bad exhaust valves. When I installed the head I used a composite gasket with original head studs torqued to 81-85lbs per recommendation of Delta. However, I understand from reviewing some posts on this forum there is some controversy over torque values using composite head gaskets with factory studs. Could improper torque values used when I installed the composite head gasket caused the issue? The car has only been driven about 2500 miles since the head was re-installed. Any comments and recommendations are greatly appreciate. Thanks, Brit |
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