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GMC Truck
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1986
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Suburban 3/4 Ton 4WD V8-379 6.2L DSL
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Repair and Diagnosis
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Powertrain Management
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Glow Plug System
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Technical Service Bulletins
Glow Plug System: Technical Service Bulletins
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By Symptom
Abnormal wear/deterioration
Engine - Cylinder Damage Due to Glow Plug Breaking
Inoperative
Engine - Cylinder Damage Due to Glow Plug Breaking
Noise
Engine - Cylinder Damage Due to Glow Plug Breaking
Overheating
Engine - Cylinder Damage Due to Glow Plug Breaking
Starting problems
Glow Plug - No Wait Lamp, Starting Difficulty
Engine - No Cold Start When Glow Plug Wait Lamp is OFF
Engine - Cylinder Damage Due to Glow Plug Breaking
All Technical Service Bulletins
Diesel Engine - Glow Plug Operation and Diagnosis
Overview
Diagnosis of the Glow Plug System
Diagnosis of Preheat Problems
On-Vehicle Service
Glow Plug - No Wait Lamp, Starting Difficulty
Engine - Glow Plug System Diagnostics
Engine - No Cold Start When Glow Plug Wait Lamp is OFF
Engine - Cylinder Damage Due to Glow Plug Breaking