just replaced thermostat and upper hose and when i turned on the defroster to help circulate coolant, pressure release from near carburator blew out

Asked by Jul 09, 2017 at 06:54 PM about the 1992 Chevrolet C/K 1500

Question type: Maintenance & Repair

4 Answers

83,075

If a hose blew out replace it and use good clamps.

1 of 1 people found this helpful.

it isn't a hose....leaning towards head gasket.....maybe....tried it again and nothing happened...maybe it needs to be under certain amount of pressure..i guess

83,075

Possibly the intake manifold gasket.

19,755

There is a fitting on the back on the intake manifold on the passenger side that is known to be brittle as it gets old. I doubt you'd ever see a head gasket leak coolant like that. Even an intake gasket would be doubtful. Clean it off and find where it's coming from, it's a leak so it comes from somewhere.

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