Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1995S10/T10 P/U 2WD L4-2.2L VIN 4REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMSPARK PLUGSERVICE AND REPAIR
1995 Chevrolet S10/T10 P/U 2WD L4-2.2L VIN 4
Spark Plug: Service and Repair
1995 Chevrolet S10/T10 P/U 2WD L4-2.2L VIN 4SECTION Service and Repair
REMOVE OR DISCONNECT
Make sure the ignition switch is "OFF."
CAUTION: Twist the spark plug boot one-half turn to release It. Pull on the spark plug boot only. Do not pull on the wire or the spark plug lead may be damaged.
1. Spark plug wires and boots.
- Label the plug wires.
NOTICE: These spark plugs have a ceramic Insulator that Is about 1/8 Inch longer than earlier model spark plugs. Be sure to use a spark plug socket that Is deep enough for this longer length spark plug. Failure to do so could cause cracking of the Insulator and arcing In side the spark plug, resulting in engine miss.
2. Spark plugs using a 5/8-inch socket.
Inspect
Each spark plug for wear and gap. Refer to Testing and Inspection. Spark plugs should be gapped to 0.035 inch.
INSTALL OR CONNECT
CAUTION: Make sure each plug threads smoothly Into the cylinder head and is fully seated. Cross-threading or failing to fully seat spark plugs can cause overheating of the spark plugs, exhaust blow-by, or thread damage.
1. Spark plugs.
Tighten
Spark plugs to 17 Nm (13 lbs. ft.).
2. Wire and boot assemblies. Refer to Ignition Cable / Service and Repair for precautions. Service and Repair
Make sure the ignition switch is "OFF."
CAUTION: Twist the spark plug boot one-half turn to release It. Pull on the spark plug boot only. Do not pull on the wire or the spark plug lead may be damaged.
1. Spark plug wires and boots.
- Label the plug wires.
NOTICE: These spark plugs have a ceramic Insulator that Is about 1/8 Inch longer than earlier model spark plugs. Be sure to use a spark plug socket that Is deep enough for this longer length spark plug. Failure to do so could cause cracking of the Insulator and arcing In side the spark plug, resulting in engine miss.
2. Spark plugs using a 5/8-inch socket.
Inspect
Each spark plug for wear and gap. Refer to Testing and Inspection. Spark plugs should be gapped to 0.035 inch.
INSTALL OR CONNECT
CAUTION: Make sure each plug threads smoothly Into the cylinder head and is fully seated. Cross-threading or failing to fully seat spark plugs can cause overheating of the spark plugs, exhaust blow-by, or thread damage.
1. Spark plugs.
Tighten
Spark plugs to 17 Nm (13 lbs. ft.).
2. Wire and boot assemblies. Refer to Ignition Cable / Service and Repair for precautions. Service and Repair
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.