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GMC
Sierra 1500
1991
Engine
Back to 1991 GMC Sierra 1500
1991 GMC Sierra 1500
Engine Labor Times
63 published engine jobs for the 1991 GMC Sierra 1500. Select a job for the full estimate.
Engine Jobs
Camshaft Position Sensor
4.3L V6 VORTEC: 1.2 h · 5.0L V8 305 TBI: 1.3 h · 5.7L V8 350 TBI: 1.3 h
1.2 - 1.3 h
Camshaft R&R
4.3L V6 VORTEC: 9.6 h · 5.0L V8 305 TBI: 10.4 h · 5.7L V8 350 TBI: 10.4 h
9.6 - 10.4 h
Connecting Rod Bearings
4.3L V6 VORTEC: 18 h · 5.0L V8 305 TBI: 19.5 h · 5.7L V8 350 TBI: 19.5 h
18 - 19.5 h
Crankshaft Position Sensor
4.3L V6 VORTEC: 1.2 h · 5.0L V8 305 TBI: 1.3 h · 5.7L V8 350 TBI: 1.3 h
1.2 - 1.3 h
Crankshaft R&R
4.3L V6 VORTEC: 24 h · 5.0L V8 305 TBI: 26 h · 5.7L V8 350 TBI: 26 h
24 - 26 h
Cylinder Head R&R
4.3L V6 VORTEC: 7.2 h · 5.0L V8 305 TBI: 7.8 h · 5.7L V8 350 TBI: 7.8 h
7.2 - 7.8 h
Cylinder Head Resurface
4.3L V6 VORTEC: 9.6 h · 5.0L V8 305 TBI: 10.4 h · 5.7L V8 350 TBI: 10.4 h
9.6 - 10.4 h
Engine Mount - Front
4.3L V6 VORTEC: 1.8 h · 5.0L V8 305 TBI: 2 h · 5.7L V8 350 TBI: 2 h
1.8 - 2 h
Engine Mount - Rear
4.3L V6 VORTEC: 1.8 h · 5.0L V8 305 TBI: 2 h · 5.7L V8 350 TBI: 2 h
1.8 - 2 h
Engine Mounts - All
4.3L V6 VORTEC: 4.8 h · 5.0L V8 305 TBI: 5.2 h · 5.7L V8 350 TBI: 5.2 h
4.8 - 5.2 h
Engine R&R
4.3L V6 VORTEC: 12 h · 5.0L V8 305 TBI: 13 h · 5.7L V8 350 TBI: 13 h
12 - 13 h
Engine Rebuild
4.3L V6 VORTEC: 30 h · 5.0L V8 305 TBI: 32.5 h · 5.7L V8 350 TBI: 32.5 h
30 - 32.5 h
Exhaust Manifold
4.3L V6 VORTEC: 3.6 h · 5.0L V8 305 TBI: 3.9 h · 5.7L V8 350 TBI: 3.9 h
3.6 - 3.9 h
Exhaust Manifold Gasket
4.3L V6 VORTEC: 3 h · 5.0L V8 305 TBI: 3.2 h · 5.7L V8 350 TBI: 3.2 h
3 - 3.2 h
Flexplate
4.3L V6 VORTEC: 6 h · 5.0L V8 305 TBI: 6.5 h · 5.7L V8 350 TBI: 6.5 h
6 - 6.5 h
Freeze Plug - Single
4.3L V6 VORTEC: 3.6 h · 5.0L V8 305 TBI: 3.9 h · 5.7L V8 350 TBI: 3.9 h
3.6 - 3.9 h
Freeze Plugs - All
4.3L V6 VORTEC: 9.6 h · 5.0L V8 305 TBI: 10.4 h · 5.7L V8 350 TBI: 10.4 h
9.6 - 10.4 h
Front Main Seal
4.3L V6 VORTEC: 4.8 h · 5.0L V8 305 TBI: 5.2 h · 5.7L V8 350 TBI: 5.2 h
4.8 - 5.2 h
Harmonic Balancer
4.3L V6 VORTEC: 2.4 h · 5.0L V8 305 TBI: 2.6 h · 5.7L V8 350 TBI: 2.6 h
2.4 - 2.6 h
Head Gasket - Single
4.3L V6 VORTEC: 14.4 h · 5.0L V8 305 TBI: 15.6 h · 5.7L V8 350 TBI: 15.6 h
14.4 - 15.6 h
Head Gaskets - Both
4.3L V6 VORTEC: 21.6 h · 5.0L V8 305 TBI: 23.4 h · 5.7L V8 350 TBI: 23.4 h
21.6 - 23.4 h
Idle Air Control Valve
1 h
Idler Pulley
1 h
Intake Manifold
4.3L V6 VORTEC: 3.6 h · 5.0L V8 305 TBI: 3.9 h · 5.7L V8 350 TBI: 3.9 h
3.6 - 3.9 h
Intake Manifold Gasket
4.3L V6 VORTEC: 3.6 h · 5.0L V8 305 TBI: 3.9 h · 5.7L V8 350 TBI: 3.9 h
3.6 - 3.9 h
Knock Sensor
4.3L V6 VORTEC: 2.4 h · 5.0L V8 305 TBI: 2.6 h · 5.7L V8 350 TBI: 2.6 h
2.4 - 2.6 h
Lifter - Single
4.3L V6 VORTEC: 4.8 h · 5.0L V8 305 TBI: 5.2 h · 5.7L V8 350 TBI: 5.2 h
4.8 - 5.2 h
Lifters/Tappets - All
4.3L V6 VORTEC: 7.2 h · 5.0L V8 305 TBI: 7.8 h · 5.7L V8 350 TBI: 7.8 h
7.2 - 7.8 h
Long Block Replacement
4.3L V6 VORTEC: 14.4 h · 5.0L V8 305 TBI: 15.6 h · 5.7L V8 350 TBI: 15.6 h
14.4 - 15.6 h
Main Bearings
4.3L V6 VORTEC: 21.6 h · 5.0L V8 305 TBI: 23.4 h · 5.7L V8 350 TBI: 23.4 h
21.6 - 23.4 h
Manifold Absolute Pressure Sensor
4.3L V6 VORTEC: 0.6 h · 5.0L V8 305 TBI: 0.7 h · 5.7L V8 350 TBI: 0.7 h
0.6 - 0.7 h
Mass Air Flow Sensor
0.4 h
Oil Level Sensor
1 h
Oil Pan Gasket
4.3L V6 VORTEC: 4.8 h · 5.0L V8 305 TBI: 5.2 h · 5.7L V8 350 TBI: 5.2 h
4.8 - 5.2 h
Oil Pan Replacement
4.3L V6 VORTEC: 5.4 h · 5.0L V8 305 TBI: 5.9 h · 5.7L V8 350 TBI: 5.9 h
5.4 - 5.9 h
Oil Pressure Sensor
4.3L V6 VORTEC: 0.6 h · 5.0L V8 305 TBI: 0.7 h · 5.7L V8 350 TBI: 0.7 h
0.6 - 0.7 h
Oil Pump
4.3L V6 VORTEC: 7.2 h · 5.0L V8 305 TBI: 7.8 h · 5.7L V8 350 TBI: 7.8 h
7.2 - 7.8 h
PCV Valve
0.4 h
Piston - Single
4.3L V6 VORTEC: 21.6 h · 5.0L V8 305 TBI: 23.4 h · 5.7L V8 350 TBI: 23.4 h
21.6 - 23.4 h
Piston Rings - All
4.3L V6 VORTEC: 24 h · 5.0L V8 305 TBI: 26 h · 5.7L V8 350 TBI: 26 h
24 - 26 h
Pistons - All
4.3L V6 VORTEC: 26.4 h · 5.0L V8 305 TBI: 28.6 h · 5.7L V8 350 TBI: 28.6 h
26.4 - 28.6 h
Rear Main Seal
4.3L V6 VORTEC: 6 h · 5.0L V8 305 TBI: 6.5 h · 5.7L V8 350 TBI: 6.5 h
6 - 6.5 h
Rocker Arms - All
4.3L V6 VORTEC: 3.6 h · 5.0L V8 305 TBI: 3.9 h · 5.7L V8 350 TBI: 3.9 h
3.6 - 3.9 h
Serpentine Belt
4.3L V6 VORTEC: 0.6 h · 5.0L V8 305 TBI: 0.7 h · 5.7L V8 350 TBI: 0.7 h
0.6 - 0.7 h
Serpentine Belt Tensioner
4.3L V6 VORTEC: 1.2 h · 5.0L V8 305 TBI: 1.3 h · 5.7L V8 350 TBI: 1.3 h
1.2 - 1.3 h
Short Block Replacement
4.3L V6 VORTEC: 18 h · 5.0L V8 305 TBI: 19.5 h · 5.7L V8 350 TBI: 19.5 h
18 - 19.5 h
Throttle Body
4.3L V6 VORTEC: 1.2 h · 5.0L V8 305 TBI: 1.3 h · 5.7L V8 350 TBI: 1.3 h
1.2 - 1.3 h
Throttle Position Sensor
4.3L V6 VORTEC: 0.6 h · 5.0L V8 305 TBI: 0.7 h · 5.7L V8 350 TBI: 0.7 h
0.6 - 0.7 h
Timing Chain
4.3L V6 VORTEC: 9.6 h · 5.0L V8 305 TBI: 10.4 h · 5.7L V8 350 TBI: 10.4 h
9.6 - 10.4 h
Timing Chain Guide
4.3L V6 VORTEC: 8.4 h · 5.0L V8 305 TBI: 9.1 h · 5.7L V8 350 TBI: 9.1 h
8.4 - 9.1 h
Timing Chain Kit
4.3L V6 VORTEC: 10.8 h · 5.0L V8 305 TBI: 11.7 h · 5.7L V8 350 TBI: 11.7 h
10.8 - 11.7 h
Timing Chain Tensioner
4.3L V6 VORTEC: 7.2 h · 5.0L V8 305 TBI: 7.8 h · 5.7L V8 350 TBI: 7.8 h
7.2 - 7.8 h
Transmission Mount
4.3L V6 VORTEC: 1.2 h · 5.0L V8 305 TBI: 1.3 h · 5.7L V8 350 TBI: 1.3 h
1.2 - 1.3 h
Valve Adjustment
4.3L V6 VORTEC: 2.4 h · 5.0L V8 305 TBI: 2.6 h · 5.7L V8 350 TBI: 2.6 h
2.4 - 2.6 h
Valve Cover Gasket - Single
4.3L V6 VORTEC: 1.8 h · 5.0L V8 305 TBI: 2 h · 5.7L V8 350 TBI: 2 h
1.8 - 2 h
Valve Cover Gaskets - Both
4.3L V6 VORTEC: 3 h · 5.0L V8 305 TBI: 3.2 h · 5.7L V8 350 TBI: 3.2 h
3 - 3.2 h
Valve Job - Complete
4.3L V6 VORTEC: 12 h · 5.0L V8 305 TBI: 13 h · 5.7L V8 350 TBI: 13 h
12 - 13 h
Valve Seals
4.3L V6 VORTEC: 9.6 h · 5.0L V8 305 TBI: 10.4 h · 5.7L V8 350 TBI: 10.4 h
9.6 - 10.4 h
Valve Spring - Single
4.3L V6 VORTEC: 3.6 h · 5.0L V8 305 TBI: 3.9 h · 5.7L V8 350 TBI: 3.9 h
3.6 - 3.9 h
Valve Springs - All
4.3L V6 VORTEC: 7.2 h · 5.0L V8 305 TBI: 7.8 h · 5.7L V8 350 TBI: 7.8 h
7.2 - 7.8 h
Variable Valve Timing Actuator
4.3L V6 VORTEC: 3.6 h · 5.0L V8 305 TBI: 3.9 h · 5.7L V8 350 TBI: 3.9 h
3.6 - 3.9 h
VVT Solenoid - Single
4.3L V6 VORTEC: 1.2 h · 5.0L V8 305 TBI: 1.3 h · 5.7L V8 350 TBI: 1.3 h
1.2 - 1.3 h
VVT Solenoids - All
4.3L V6 VORTEC: 2.4 h · 5.0L V8 305 TBI: 2.6 h · 5.7L V8 350 TBI: 2.6 h
2.4 - 2.6 h