Duramax LLY – ENGINE DISASSEMBLY – Glow Plug Removal

Remove glow plugs from cylinder heads (Figure 2-80). Discard any damaged plugs.

Duramax LLY - GLOW PLUG TEST
1. Check all glow plug connections. They should be tight and corrosion free. 2. Verify…
Duramax LLY - ENGINE DESCRIPTION
A turbocharged diesel engine is used in Hummer vehicles. It is a liquid cooled, four-stroke,…
Duramax LLY - ENGINE DISASSEMBLY - Serpentine Belt Removal
1. Rotate belt tensioner counterclockwise with 1/2 in. drive breaker bar. 2. Slide belt off…
Duramax LLY - GLOW PLUG OPERATION AND TESTING
The engine glow plugs are used to heat air entering the combustion chamber. Heating the…
Duramax LLY - ENGINE DISASSEMBLY - Fuel Injector Removal
1. Remove fuel return hoses and clamps from injectors (Figure 2-79). 2. Remove fuel injectors…

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