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Billy, Chevrolet tecnician
Category: Chevy
Satisfied Customers: 511
Experience:  Over 25 years experience,GM grand master for 8 years,certified smog and government safety inspector
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change spark plugs on 2004 chevy colorado

Customer Question

change spark plugs on 2004 chevy colorado
Submitted: 9 years ago.
Category: Chevy
Expert:  Billy replied 9 years ago.
helloCustomer my name is XXXXX XXXXX you please be more specific about the information you are looking for.
if you need to know the procedure to replace the spark plugs, i need to know the engine size of your vehicle.
Expert:  GM Tech (Cam) replied 9 years ago.
WelcomeCustomer It does not matter what size your engine is. To replace the spark plugs, you first need to remove the intake air resonator, the remove the coil packs and the spark plugs. HERE are instructions that you can use. Please ask if you need more information.
Expert:  Billy replied 9 years ago.
hello againCustomer here is some information on how to replace the spark plugs on a colorado regardless the size of the engine.

Remove the air cleaner resonator and outlet duct.
Disconnect the ignition coil connectors from the ignition coils
Remove the ignition coil bolts.
Remove the ignition coils from the camshaft cover.
Clean the spark plug recesses with low pressure air.
Remove the spark plugs from the cylinder head.
Inspect the spark plugs.
Install the spark plugs to the cylinder head.
Tighten the spark plugs to 18 N·m (13 lb ft).
Install the ignition coils and air cleaner resonator.