What causes coolant leak in GM 3800 V6?
3800 V6 3.8 GM Series II Intake Manifold coolant leak causing hydro lock. – Auto-Trend Repairs and Service Information Forums Auto-Trend Repairs and Service Information Forums -> General Motors -> 3800 V6 3.8 GM Series II Intake Manifold coolant leak causing hydro lock.
Why is coolant leaking from my Buick lesaber?
Well it would seem that 3800 come in pairs… After my last 03 Impala with the Series II 3800 engine leaking coolant out of the elbows I had a 1999 Buick Lesaber come in with complaints about sweeping engine tempratures and loss of heat during said sweeps. First thing I do is check out the coolant level and sure as $hit, it’s low.
What causes a coolant leak in an intake manifold?
Still, the fault is mostly with the intake manifold in this case. The design with the EGR being pumped into a plastic intake, followed by coolant circulation around the area is what really causes these things to “pop”. In this case.
How to replace coolant pipe elbows on a Pontiac?
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Where is the coolant leak on a V6?
Location #1 in the picture below is on the passenger side front of the engine behind the front timing cover. Location #2 is a little harder to see. It is below the throttle body and next to the coolant temperature sensor and thermostat outlet housing on the drivers side.
What causes antifreeze to leak from the intake manifold?
The intake manifold gaskets are the most likely cause of your antifreeze leaking and engine oil getting low. Location #1 in the picture below is on the passenger side front of the engine behind the front timing cover. Location #2 is a little harder to see.
Are there any problems with the GM 3.1 liter V-6 engine?
The GM 3.1-liter and 3.4-liter V-6 engines are known for some problems. Top on the list are leaky intake manifold gaskets that can literally destroy the engine if not fixed promptly. Here’s some background on the engine and what issues to look for. The hole in this gasket was NOT caused by DexCool.