Sierra, Silverado 2006-2007

Glow Plugs


Removal & Installation

  1. Remove or disconnect the following:
    On vehicles with Federal emissions systems, there is a buss bar connecting the glow plugs on each bank of the engine.

    Negative battery cables
    Front tire
    Inner splash shield from the fender well
    Air cleaner outlet duct
    Electrical nuts from the glow plug(s)
    Harness from the glow plug(s)

    Glow plug(s)


To install:

  1. Install or connect the following:

    Glow plug and tighten to 13 ft. lbs. (18 Nm)
    Buss bar and wiring
    Glow plug electrical nut and tighten to 13 inch lbs. (1.5 Nm)
    Air cleaner outlet duct
    Splash shield to the fender well
    Negative battery cables