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What causes coolant leak in GM 3800 V6?

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.

When do you know you have a cooling system problem?

When the engine starts to get above the normal operating temperature, watch the cooling fan. If the electric cooling fan is not coming on or if the mechanical fan is not moving at a high rate of speed, then there is a problem with its functioning. If you have a mechanical fan that is not functioning, the fan clutch must be replaced.

What happens when your car’s cooling system is clogged?

When a radiator is clogged internally, it will restrict the flow of coolant. If it clogs on the outside, it will restrict the airflow through the radiator and cause overheating. Step 1: Allow the engine to cool.

What causes coolant to pop out of intake manifold?

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. In other cases of the Vortec v8’s with high miles, I see DexCool eats pits in aluminum manifolds and such all the time.

What causes hydro lock on a Chevy Impala?

3800 V6 3.8 GM Series II Intake Manifold coolant leak causing hydro lock. 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.

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.

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Ruth Doyle