how easily take down big pulley (GMC 1984 model)?
is possible that engine oil goes out tru water pump/WP seals?
Enthusiast
how unscrew that big pulley
how easily take down big pulley (GMC 1984 model)?
is possible that engine oil goes out tru water pump/WP seals?
Enthusiast
The waterpump has no oil connection.
The crank pully has 4 bolts attaching it to the harmonic balancer wich is keyed to the crank and held in by 1 bolt, this one could be fairly tight.you need a puller to get the balancer of in most cases.
98 GMC sierra 2500 ext cab 4x4 auto tr 6.5 td 252000 km. needs new engine, next project
95 GMC sierra LE 2500 ext cab sh box 4x4 auto tr 6.5 td 328.000 km. my wife's truck .remote pmd on cooler
89 GMC sierra SLE 1500 ext cab 4x4 auto tr 6.2 720000 km engine swap at 665000 km because of broken oil cooler line. 6 bolt wheels.
Waldon wheelloader repowered with a 6.2 na
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