Along the top of the motor under the 6 coil pack covers. Remove the hold down bolts and lift them off to reveal the plugs. You must first remove the resonator box from the top of the motor (It says Vortec 4200 on top of it)
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what is the spark plug gap for 2005 gmc envoy 4.2l v6
The gap on spark plugs is .042.
ACDelco 41-103 Iridium
the gap should be 0.42
Check your plug gap and that you didn't crack a plug.
.044 for 6 cylinder and .040 for 8 cylinder.
Remove the spark plug wires from each spark plug. Turn the spark plug out with a 5/8 deep well socket. Reverse the process to install the new spark plugs.
Can you tell me how to remove the box covering the spark plugs in a 2002 gmc envoy slt 4.2
ac delco spark plugs are type that originally came with 2003 GMC envoy
what cause a 2006 gmc envoy Denali to cut off wile driving
The 1996 GMC Sierra six-cylinder spark plug gap, is .009. Most spark plugs are pre-gapped by the spark plug manufacturer.
.096 is the spark plug gap