A service manual is needed especially for tightening the intake manifold bolts back into place in the correct pattern. There are many steps, starting with releasing the pressure in the fuel system and disconnecting the battery. Then you need to remove the throttle body, fuel lines, electrical connections, etcetera to get to the intake manifold. Once the manifold is removed you will be looking into the lifter valley of the motor, make sure to vacuum out any residue and stuff with rags to scrape any old gasket surface off, but do not scratch anything up. The manual will help you determine where to run your sillicone, and when you put the manifold back into place you'll want to hit it dead on to avoid having to move it around. You'll then tighten the bolts on in the pattern indicated to the torque needed. You will need an inch lb. torque wrench. When you get it all back together it's good to leave the key in the on position to get some fuel back in there before you fire er up.
Dex-cool coolant highly corrosive is eating away at gaskets mainly intake manifold gasket.
well, the 93 has a spider injection unit in the intake manifold. ten bolts and a gasket...
I've gotten estimates ranging from $450 to $850... its a big job.... shop around
I was just quoted 5.5 hours labor to R&R the intake gasket on my 1998 GMC Sierra 5.7 Liter.
I need to know how to replace a heater core in a 1992 GMC Jimmy?
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near the intake.
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You should expect to pay between 50 and 80 dollars for the gasket and between 4 and 6 hours for the labor at your shops labor rate.
remove the 2 bolts that hold the thermostat housing to the intake manifold which the upper radiator hose attaches to the housing then just pull the thermostat out and replace.
remove the intake hose and the exhaust port screwed into the egr valve, the remove the two retaining bolts from the intake and clean any old gasket material away. if possible run a piece of wire down the hole to make certain the passage is clear of carbon build up
intake gasket?