03 Impala with 3.8 leaking coolant near the thermostat
40

Asked by Dwayne Oct 24, 2018 at 08:08 PM about the 2003 Chevrolet Impala LS FWD

Question type: Maintenance & Repair

03 Impala with 3.8 leaking coolant near the thermostat below and to the left of
the thermostat housing.

2 Answers
40,075

beatupchevy answered 6 years ago

at about every 70,000 miles the intake plenum gaskets should be replaced , that could be the problem

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