Chevrolet 1500 Pickup Problems

Coolant Leak & Engine Overheating on Chevrolet 1500 Pickup

Problem Description and Possible Solution

A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.

(32 people reported this problem)

Chevrolet 1500 Pickup Vehicles With This Problem

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Average mileage: 147,463 (87,000–230,000)
Engines affected: 4.3L V6, 5.0L V8, 5.7L V8, 7.4L V8
10 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999
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Viewing 1-9 of 9 comments
I go to the adventure park in glenwood and we were there for the hole day. And I come out and i seen that it had started leaking antifreeze. So I get underthere and it looks like my water pump was leaking. But my coolant level was fine??? I drove it from glenwood to carbondale jusy fine with no overheating or even getting close. Is my water pump going out or what?
Water pump replacement requires removal of the fan belt,fan shroud,radiator(for extra room),fan and clutch fan assembly,possibly some pulleys and belt tensioner,and finally the water pump.Oh, and as always remove the ground cable from the battery.Possibly the positive cable too.
It leaves a tell tale "wet spot" in the driveway where I park. If coolant gets too low, it will overheat as indicated by temp. gauge or "idiot light".

Th Fix....Replace the water pump. Consult your Shop manual for details.