How to replace spark plugs on GMC C2500?

Start by taking off the Spark Plug Wires and very slightly loosen each Spark Plug with 1 or 2 rotations. Cleansing the Spark Plug areas with a brush or air blower enables safe removal of each Spark Plug for placement into labeled cylinder-trays. Set each Spark Plug washer correctly and check or adjust its gap to achieve the correct measurement of 1.524 mm (0.060 in). The technician should begin hand-tightening spark plugs to specific torques of 15 n.m (11 lb ft) when using used heads and 30 n.m (22 lb ft) using new iron heads while new aluminum heads require a torque setting at 20 n.m (15 lb ft). Finish the process by reinstalling Spark Plug Wires.

OEM GMC C2500 Spark Plug

Ignition Spark Plug

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GMC C2500 Glow Plug Part Number: 12563554
$18.86 MSRP: $33.68
You Save: $14.82 (44%)
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Product Specifications
- Other Name: Glow Plug, Spark Ignition; Diesel Glow Plug
- Replaces: 25168651
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC C2500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS

GMC C2500 Spark Plug

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The Spark Plug is one of the greatest parts that highly improve on the performance of GMC C2500 vehicles. Made specifically for producing the needed combustion for the air/fuel mixture in the combustion chamber of the car engine, the Spark Plug is essential for achieving maximum performance as, along with efficiency, the fuel which is utilized by the car's engine is minimal. Constructed with a copper core center electrode, metal terminal, ceramic insulator, die cast steel shell, these spark plugs are designed to fulfill the requirements of the heavy use assignments related to GMC C2500. Being suitable for numerous GMC C2500 vehicle configurations with different trims that can be Base, Deluxe or Sierra, the Spark Plug is rather universal. Of all the factors, perhaps the most crucial one is the frequency of replacement, sincebad spark plugs negatively impact combustion and fuel economy, increase emissions and are a safety hazard. Also, the Spark Plug comes in different series, copper/nickel, platinum, and iridium, thus fitting different ignition systems and the engine build. Its applicability to the GMC C2500 and the truck's reliability make the spark plug assume a more enduring function. The automotive industry is filled with numerous spark plug brands and amid this competition it is the spark plug that is guaranteed to provide the premier outcome to the vehicle, GMC C2500 is a great investment for any GMC C2500 owner who seeks to have the car last longer with improved efficiencies.

GMC C2500 Spark Plug Parts Questions & Experts Answers

Glow Plug
12563554
Q: How to replace spark plugs on GMC C2500?
A:
Start by taking off the Spark Plug Wires and very slightly loosen each Spark Plug with 1 or 2 rotations. Cleansing the Spark Plug areas with a brush or air blower enables safe removal of each Spark Plug for placement into labeled cylinder-trays. Set each Spark Plug washer correctly and check or adjust its gap to achieve the correct measurement of 1.524 mm (0.060 in). The technician should begin hand-tightening spark plugs to specific torques of 15 n.m (11 lb ft) when using used heads and 30 n.m (22 lb ft) using new iron heads while new aluminum heads require a torque setting at 20 n.m (15 lb ft). Finish the process by reinstalling Spark Plug Wires.