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First obtain new spark plugs. Then set them to the correct gap as specified on the VECI label. Once gapped, coat the ends with silicone dielectric grease.
Next, remove the wires from the old plugs. Grab, twist, pull. If a wire breaks, replace all the wires as any fragility indicates a chemical breakdown of the insulative material.
If the engine is hot, wait for it to cool down fully.
Use a 5/8 inch to unscrew the old spark plugs. Some or all plugs may be easier to access through the wheel wells (with truck jacked up off the ground) than reaching down through the hood opening.
The second plug on the driver's side may be difficult to access due to interference of the steering column intermediate shaft. If so, you can either use a floor jack and wood to raise the engine by the oil pan, or use an open end wrench to turn a short plug socket, or use a swivel-type spark plug socket.
Screw the new plugs in place where the old ones were. Reattach ignition wires.
It is usually a good idea to replace distributor cap and rotor when replacing plugs on this truck. PULL THE WIRE OFF THE ONE YOUR REPLACING. The plug you are replacing is the wire you pull off. This way you won't put the wrong wire back on the plugs, AND CAUSE MORE PROBLEMS.
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i dunno if it will help but i have a 93 gmc s15 jimmy and i go through the front fenderwells to change my plugs
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To change the spark plugs in a 1997 astro van do I have to change the spark plugs from the bottom of the engine/
Spark plug spec for 1996 GMC jimmy?
The spark plugs for a 1996 GMC Jimmy should have a gap of .060 inches or .040 inches, depending on the actual spark plug. Some plugs are factory set and you do not need to set the gap.
How do you replace the spark plugs on 2001 gmc jimmy?
through the tire wells
Locate spark plugs in GMC jimmy?
to see the spark plugs u need to remove the front wheels and u can see straight through the wheel well to the plugs
How do you change the spark plugs on a 1997 gmc safari?
you have to through the wheel wells to ge to spark plugs. use a long extenison and a spark scocket with a sweival built on to it. good lock
How often should you change spark plugs on GMC envoy?
Depends on the type of spark plugs. Factory plugs around 70 - 100k depending on the condition of the plugs. I would replace the spark plugs out with some AC Delco iridium plugs they will last you 100k+.
How do you change spark plugs in a 1994 gmc Sonoma?
To change the spark plugs in a 1994 GMC Sonoma, first, ensure the engine is cool and disconnect the battery. Remove the spark plug wires by pulling them off gently, then use a spark plug socket and ratchet to unscrew the old spark plugs. Install the new plugs by threading them in by hand to avoid cross-threading, then tighten them with the socket. Finally, reconnect the spark plug wires and the battery.
Where are the spark plugs located in a 1995 GMC Jimmy?
On either side of the engine in between the exhaust manifold you wll find your boots.
