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GMC S15 Problems

Coolant Leak From Heater Core on GMC S15

Problem Description and Possible Solution

The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our technicians tell us that removal of the dash board is necessary to replace the heater on these vehicles.

(1 person reported this problem)

GMC S15 Vehicles With This Problem

RepairPal Fair Price Estimate
$265-$316
Detailed Estimates
RepairPal Verified
Average mileage: (–)
1 model year affected: 1990
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Brake problem? Or maybe a faulty head gasket cylinder?
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