Intake Manifold Gasket May Leak Coolant or Engine Oil on Chevrolet 1500 Pickup

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine  with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.

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Average mileage: 138,669 (55,000–300,000)
Engines affected: 4.3L V6, 5.0L V8, 5.7L V8, Both Sides, Gasoline
10 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999
76 people reported this problem
46 people shared problem details
WATER POURS OUT THE BACK OF THE ENGINE WITHOUT IT RUNNING OR BEING WARM . NO PREASURE IN THE BLOCK AT ALL . DONT KNOW WHAT TO FIX ????? ANY IDEAS ???
28 people like thisFlag inappropiate
whats the difference in a blown head gasket and a blown intake gasket
27 people like thisFlag inappropiate
1998 Chevrolet 1500 Pickup- 5.7L V8146,200
leaking antifreece in oil , havnt fixed yet.
11 people like thisFlag inappropiate
Re-call on intake manifold, replaced at 30K miles & again at 60K miles. It is beginning to leak again at 110K miles.
9 people like thisFlag inappropiate
1993 Chevrolet 1500 Pickup- 5.7L V8300,000
coolant in oil wont pressureize..
7 people like thisFlag inappropiate
1998 Chevrolet 1500 Pickup- 5.7L V898,000
leaking plastic gasket why would they us plastic where heat would build and ruin plastic integrety come on chevy
7 people like thisFlag inappropiate
1997 Chevrolet 1500 Pickup- 5.7L V8177,250
anti freeze in oil, changed lower intake gaskets.
6 people like thisFlag inappropiate
1998 Chevrolet 1500 Pickup- 5.7L V8173,000
intake manifold gasket had to be replaced
4 people like thisFlag inappropiate
Started smelling antifreeze around the truck, looks like it is pooling up around the base of the intake manifold area ........... My understanding is that the ORANGE DEXCOOL antifreeze is eating up the factory installed intake manifold gaskets. How could GENERAL MOTORS get away with this kind of issue ? The same problem on almost all GM cars and trucks that use DEXCOOL coolant.
3 people like thisFlag inappropiate
1997 Chevrolet 1500 Pickup- 5.7L V8142,000
oil level increasing and pressure dropping
2 people like thisFlag inappropiate
1998 Chevrolet 1500 Pickup- 5.7L V8160,000
This is the second time, since I bought the truck new, that I've had to replace the intake manifold gaskets due to coolant leakage. The good news is that Fel-Pro has realized that their manifold gaskets suck and redesigned them. No more plastic with silicone sealing material. Hoping that they fixed the problem that the Chevy engineers created. Maybe they'll come out with a non-plastic distributor next. We can only hope.
1 person likes thisFlag inappropiate
1999 Chevrolet 1500 Pickup- 4.3L V667,000
Chevy you suck. Your cars and trucks are crap. Not what they used to be. I think you guys are designing them to fail.
1992 Chevrolet 1500 Pickup- 5.7L V8142,000
leaking at manifold water coolant and passing on to exhaust causing smoke steam
Engine is a 5.7
1997 Chevrolet 1500 Pickup- 5.7L V8259,465
This truck very well serviced daily.Had dry knock on slow start. WATER IN OIL no working. New termastat coolant flush and Anot freeze in Nov.45 lbs oil pressure at idol (idiot) gauge. Need shop manual on engine
1996 Chevrolet 1500 Pickup- 4.3L V6134,000
Replacing engine
I have had to have my intake manifold gasket replaced 3 times already with only 113000 miles on engine. Is there a recall on it?
intake manifold gasket failure. Loss of coolant.
1994 Chevrolet 1500 Pickup- 5.7L V8211,252
My intake manifold gasket was leaking. I did a repacement of the gasket. I replaced the gasket myself nad the cost was around 12.00 dollars. It took me about 6 hrs to complete job.
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