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GMC S15 Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your GMC S15

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The national average repair and maintenance cost for a GMC S15 is between $279 and $341 per year. Repair and maintenance costs vary depending on age, mileage, location and service provider.

GMC Repair Estimates
Car
Service
Price
1990 GMC S15 Engine: 2.5L 4 Cylinder
Exhaust Manifold Gasket Replacement
$128 - $176
1990 GMC S15 Service Detail: 2.8L V6, Both Sides
Valve Cover Gasket Replacement
$126 - $177
1990 GMC S15 Service Detail: 2WD, Left Side
Exhaust Manifold Replacement
$381 - $568
1990 GMC S15 Quantity: One
ABS Wheel Speed Sensor Replacement
$164 - $325
1990 GMC S15 Service Detail: 2.8L V6, Both Sides
Head Gasket Replacement
$871 - $1384

GMC S15 Problems

Oil Leak From Distributor Shaft Seal

An oil leak may develop from the distributor o-ring seal requiring replacement of the seal.

Timing gears can cause knocking sound
Timing gears may wear causing a mild to severe knocking noise from the front of the engine. Replacement of the timing gears is necessary.
Check Engine Light Due to Oxygen Sensor Failure

The oxygen sensor can fail causing Check Engine Light illumination and the engine to run rich (burn more fuel than normal).

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GMC S15 Questions

my injectors wont pulse what can i do to fix (1 answer)

i replaced coil, distubetor ignition coil im getting spark, fuel from fuel pump but injectors wont pulse ran a ground check from ecm and ran a hard ground to one injector and it sprayed but wide open , it wont pulsate please help. its actually a 1987

my injectors wont pulse what can i do to fix (1 answer)

i replaced coil, distubetor ignition coil im getting spark, fuel from fuel pump but injectors wont pulse ran a ground check from ecm and ran a hard ground to one injector and it sprayed but wide open , it wont pulsate please help

cranks, no spark (2 answers)

1989 GMC, S-15, 4.3 V-6, basically, cranks but no spark...Help from NAPA, new coil, ECU computer, ICM, and checked fuses. Seems to have 12v at one input wire to coil with ignition turned on. Been a "shade tree" for 50 years, 85k mi., pristine truck.. Thanks...John

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