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Fixing the old truck

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#1085971 02/16/2015 4:10 PM
Joined: Jan 2012
Posts: 32
D
Wrench Fetcher
Wrench Fetcher
D Offline
Joined: Jan 2012
Posts: 32
pulled the oil pan and found a small amount of coolant, cant tell if it it's from the block or the head,i remember when replacing the head gasket one of the valves had some rust on it,also a lot of moisture coming out of the exhaust when it was running.no leaks on the outside, wondering if the water jacket has rusted though,i'm thinking it might be game over for this motor, any suggestions?

Joined: Dec 2001
Posts: 1,248
W
'Bolter
'Bolter
W Offline
Joined: Dec 2001
Posts: 1,248
Sounds like it might be a crack in the combustion chamber. Check around the combustion chamber with the rusty valve was in.... Or maybe a leak in the head gasket...

John

Joined: Feb 2004
Posts: 28,674
H
Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
H Offline
Joined: Feb 2004
Posts: 28,674
Is the cylinder head off? If so, it can be magnafluxed or pressure tested for cracks. If not, splice the coolant inlet and outlet hoses together and pressurize the water jacket, then look for leaks. DO NOT pressurize the radiator- - - -that old one will blow out long before there's enough pressure to show up a leaky head or block!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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