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1993 Buick Roadmaster 5.7L Mechanical
Posted to GM Engine on 2/3/2009 30 Replies

I have a cylinder that has a leakdown of 20%. Not sure if it is rings or valves. Here is my question...... (intake manifold is off) When I put smoke into the cylinder through spark plug hole I can see it come through the intake valve slightly, it seeps out of ...

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car Vehicle Data

1993 Buick Roadmaster

VIN 1GDL055M8S
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
Message Closed

car Vehicle Data

1993 Buick Roadmaster

VIN 1GDL055M8S
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI