Engine Lubrication: Technical Service Bulletins
- Customer Interest
- Engine - Low Oil Pressure Reading
- Engine - Oil Cooler Line Leaks
- Overview
- Oil Cooler Line Applications Chart
- C/K 1500/2500 4.3L & KC4 Internal Cooler
- K1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4 Internal Cooler
- C1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4/5A5/5A6 Internal Cooler
- C2500/3500 5.7L & KC4 & 5A5/5A6 5.7L & KC4 & GT4/GT5 External Cooler
- K2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C/K 3500 7.4L & KC4 External Cooler
- Engine - Oil Cooler Line Leaks (Replace Hose)
- Overview
- C/K 1500/2500 4.3L & KC4 Internal Cooler
- K1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4 Internal Cooler
- C1500/2500 5.0L, KC4 5.7L, KC4 Not GT5/HC4/5A5/5A6 Int. Cooler
- C2500/3500 5.7L, KC4, 5A5/5A6 5.7L, KC4 & GT4/GT5 Ext. Cooler
- K2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C/K 3500 7.4L & KC4 External Cooler
- By Symptom
- Customer Interest
- Engine - Low Oil Pressure Reading
- Engine - Oil Cooler Line Leaks
- Overview
- Oil Cooler Line Applications Chart
- C/K 1500/2500 4.3L & KC4 Internal Cooler
- K1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4 Internal Cooler
- C1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4/5A5/5A6 Internal Cooler
- C2500/3500 5.7L & KC4 & 5A5/5A6 5.7L & KC4 & GT4/GT5 External Cooler
- K2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C/K 3500 7.4L & KC4 External Cooler
- Engine - Oil Cooler Line Leaks (Replace Hose)
- Overview
- C/K 1500/2500 4.3L & KC4 Internal Cooler
- K1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4 Internal Cooler
- C1500/2500 5.0L, KC4 5.7L, KC4 Not GT5/HC4/5A5/5A6 Int. Cooler
- C2500/3500 5.7L, KC4, 5A5/5A6 5.7L, KC4 & GT4/GT5 Ext. Cooler
- K2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C/K 3500 7.4L & KC4 External Cooler
- False instrument warning light/gauges
- Leaks
- Engine - Oil Cooler Line Leaks
- Overview
- Oil Cooler Line Applications Chart
- C/K 1500/2500 4.3L & KC4 Internal Cooler
- K1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4 Internal Cooler
- C1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4/5A5/5A6 Internal Cooler
- C2500/3500 5.7L & KC4 & 5A5/5A6 5.7L & KC4 & GT4/GT5 External Cooler
- K2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C/K 3500 7.4L & KC4 External Cooler
- Engine - Oil Cooler Line Leaks (Replace Hose)
- Overview
- C/K 1500/2500 4.3L & KC4 Internal Cooler
- K1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4 Internal Cooler
- C1500/2500 5.0L, KC4 5.7L, KC4 Not GT5/HC4/5A5/5A6 Int. Cooler
- C2500/3500 5.7L, KC4, 5A5/5A6 5.7L, KC4 & GT4/GT5 Ext. Cooler
- K2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C/K 3500 7.4L & KC4 External Cooler
- Engine - Oil Cooler Line Leaks
- Noise
- Customer Interest
- All Technical Service Bulletins
- Engine - GM dexos 1(R) and dexos 2(R) Oil Specifications/Info.
- Engine - GM Dexos 1(R) And 2(R) Oil Specifications
- Engine/Fuel System - Oil/Fuel Additive Information
- Oil Filters - Enhanced Anti-Drainback Valves
- Engine - Low Oil Pressure Reading
- Engine - Oil Cooler Line Leaks
- Overview
- Oil Cooler Line Applications Chart
- C/K 1500/2500 4.3L & KC4 Internal Cooler
- K1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4 Internal Cooler
- C1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4/5A5/5A6 Internal Cooler
- C2500/3500 5.7L & KC4 & 5A5/5A6 5.7L & KC4 & GT4/GT5 External Cooler
- K2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C/K 3500 7.4L & KC4 External Cooler
- Engine - Oil Cooler Line Leaks (Replace Hose)
- Overview
- C/K 1500/2500 4.3L & KC4 Internal Cooler
- K1500/2500 5.0L & KC4 5.7L & KC4 Except GT5/HC4 Internal Cooler
- C1500/2500 5.0L, KC4 5.7L, KC4 Not GT5/HC4/5A5/5A6 Int. Cooler
- C2500/3500 5.7L, KC4, 5A5/5A6 5.7L, KC4 & GT4/GT5 Ext. Cooler
- K2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C2500/3500 7.4L & KC4 Except 5A5/5A6 Internal Cooler
- C/K 3500 7.4L & KC4 External Cooler
- Engine - Noise/Damage Oil Filter Application Importance