How to replace spark plugs in an engine on 2004 Chevrolet Monte Carlo?

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You should wait for the engine to cool down before starting the replacement of the spark plugs because cold temperatures can create threads damage to the Cylinder Head. The Spark Plug recess area must be cleaned for preventing debris that might reduce new plugs from seating correctly. Only spark plugs intended for that specific vehicle design should be used since improper plug types can cause severe engine issues. The right bank engine requires engine rotation during its service procedures. The first step involves removing Spark Plug Wires before you take out spark plugs from the engine. A round wire feeler gauge should be used to inspect new and reconditioned Spark Plug gaps prior to installation because their pre-set gaps may have shifted. Once gapped according to specifications, install the spark plugs in the Cylinder Head with a thread chaser tool j 41131 when needed. To install spark plugs you should tighten them to 15 lb ft (20 N.m) for new cylinder heads and 11 lb ft (15 N.m) for existing ones. Reconnect the Spark Plug Wires then unfasten the engine tilt strap (J 41131), place the engine back to its starting position and reinstall the engine mount struts.

OEM 2004 Chevrolet Monte Carlo Spark Plug

2 Spark Plugs found

2004 Chevrolet Monte Carlo Spark Plug

2004 Chevrolet Monte Carlo Spark Plug

2004 Chevrolet Monte Carlo Spark Plug

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