Every 100,000 - change wires also.
Disconnect the battery, remove the spark plug wires and boots, and remove the old spark plugs. Toss out the old spark plugs, put in the new spark plugs, replace the spark plug wires and boots, and connect the battery.
Remove the spark plug wires from the spark plugs, use an extension for your Allen wrench, and use a spark plug socket to remove the spark plug.
The 2004 Trailblazer does not have plug wires. It has a coil pack per cylinder that connects direct to the spark plugs.
.40 gap
how do you change the air condition controller in a 2004 chevy silverado
2004 Chevrolet Truck Silverado 1500 2WD 5.3L SFI 8cylThe Spark Plug Gap.040 (In thousandths of an inch)
,030"
Thay are Real TIGHT and hard to get off. twist them back and forth as you pull on them, thay will come off.
There is no "plug wires" they are on top of engine not on side not fun to change the back ones
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.
The spark plugs on a 2004 Pontiac Vibe are changed by removing the plug cover, disconnecting the spark plug wires, and taking out individual spark plugs using a deep wall socket. New plugs are then set to the proper gap and torqued into place.