ignition

Ignition Coil - Single

for 2002 Dodge Viper 8.0L V10 · RWD

Difficulty

Moderate

Time

1.1 h

Tools

Steps

✓Fact-checked. Built from OLP's spec database, then independently fact-checked line by line with every correction applied. Master-tech sign-off by Chris Hackleman is queued. Cross-check torque values against the factory manual, and stop if anything looks unsafe. How our data is made.

This procedure covers the removal and installation of a single ignition coil on the 1992 Dodge Viper 8.0L V10 engine, including spark plug removal and reconnection of the ignition system.

Warnings

⚠️Disconnect the negative battery cable before beginning work to prevent accidental ignition system discharge or short circuit.

⚠Allow the engine to cool completely before working on the ignition system. The exhaust manifolds and coils can retain heat for extended periods.

⚠Do not disconnect ignition coils with the engine running or ignition switch on, as this can damage the ignition system electronics.

ℹ️The 1992 Viper uses a distributorless ignition system with individual coils mounted directly to each spark plug. Label the coil and wire connections if working on multiple cylinders to ensure correct reassembly.

Tools required

10mm socket and ratchetEssential

Spark plug socket (5/8" or 16mm)Essential

Extension bar setEssential

Torque wrenchEssential

Dielectric grease

Anti-seize compoundEssential

Compressed air or clean rag

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Parts

Ignition coil × 1 — Use OEM specification
Spark plug (if damaged) × 1 — Champion RC12LYC or equivalent

As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Preparation

Park the vehicle on a level surface and engage the parking brake.
Allow the engine to cool completely if it has been running recently.
Open the hood and secure it in the open position.
Disconnect the negative battery cable and isolate it away from the battery terminal.
Identify which cylinder requires coil replacement and locate the corresponding coil pack on the engine.

Procedure

1
Access the ignition coil
Locate the faulty ignition coil pack. The 1992 Viper uses coil packs that connect to the spark plugs via plug wires rather than coils mounted directly on each plug. If necessary, move aside any wiring harnesses or hoses that obstruct access to the coil, but do not disconnect them unless they prevent coil removal. Note the coil's position and plug wire routing for reinstallation.
2
Disconnect the coil electrical connector
Locate the electrical connector on the side of the ignition coil. Press the release tab and pull the connector straight away from the coil. Do not pull on the wires themselves. Inspect the connector terminals for corrosion or damage. Note: Use OEM-specified spark plug for the 1992 Viper 8.0L V10 (verify exact part number against manufacturer documentation)
3
Remove the ignition coil mounting bolts
Using the appropriate socket, remove the bolts securing the ignition coil pack to its mounting bracket. Verify the fastener size and count on your specific vehicle before removal. Keep the bolts in a safe location for reinstallation.
Torque spec
Ignition Coil Bolts8 Nm (6 lb-ft)
4
Remove the ignition coil
Disconnect the spark plug wires from the coil pack terminals by grasping each boot (not the wire) and pulling straight off with a slight twist. Label each wire for correct reinstallation, then remove the coil pack from its bracket.
5
Inspect the coil boot and spark plug well
Examine the rubber boot on the bottom of the coil for cracks, carbon tracking, or deterioration. If the boot is damaged, the entire coil assembly must be replaced. Use compressed air or a clean rag to remove any debris, oil, or moisture from the spark plug well before proceeding. Inspect the spark plug insulator for cracks or carbon deposits.
6
Remove the spark plug (if necessary)
If the spark plug needs inspection or replacement, use a spark plug socket with extension to remove it. Turn counterclockwise to loosen and remove the plug. Inspect the plug condition, electrode gap, and threads. If reinstalling the same plug, ensure it is in good condition. If installing a new plug, verify it is the correct type for this engine. Note: Verify smooth running with no misfires by observation. This pre-OBD2 vehicle does not report per-cylinder misfire codes via a generic scan tool.
⚠Do not allow debris to fall into the cylinder. Cover the spark plug hole with a clean rag if leaving it open for any period of time.
Torque spec
Spark Plugs - Aluminum Head27 Nm (20 lb-ft)
7
Install the spark plug
Apply a thin coat of anti-seize compound to the spark plug threads, avoiding the electrode area. Thread the spark plug into the cylinder head by hand to prevent cross-threading. Once hand-tight, use the spark plug socket and torque wrench to tighten to specification. Verify the plug is properly seated.
Torque spec
Spark Plugs - Aluminum Head27 Nm (20 lb-ft)
8
Prepare the new ignition coil
Remove the new ignition coil from its packaging and inspect it for shipping damage. Apply a thin coat of dielectric grease to the inside of the spark plug wire boots and coil tower terminals if desired (this helps with future removal and prevents moisture intrusion). Ensure the terminals are clean and undamaged.
9
Install the ignition coil
Mount the ignition coil pack to its bracket and reconnect the spark plug wires to the correct coil terminals per your earlier labeling. Ensure each wire boot fully seats onto its coil tower with an audible click.
10
Install the coil mounting bolts
Insert the coil pack mounting bolts through the bracket and thread them into their mounting points by hand. Once started, tighten them to the specified torque. Do not overtighten, as this can crack the coil housing or damage the threads.
Torque spec
Ignition Coil Bolts8 Nm (6 lb-ft)
11
Reconnect the electrical connector
Push the electrical connector firmly onto the ignition coil terminal until it clicks into place. Tug gently on the connector to verify it is fully seated and locked. Ensure the connector seal is properly positioned to prevent moisture entry.
12
Reconnect the battery and test
Reconnect the negative battery cable to the battery terminal. Start the engine and verify it runs smoothly without misfires. Check for any unusual noises or warning lights on the instrument panel. Allow the engine to idle for 2-3 minutes and monitor for proper operation. Confirm the engine runs smoothly without misfires; note that this pre-OBD2 vehicle does not provide per-cylinder misfire codes through a generic scan tool.

Reassembly

Reassembly is covered in the installation steps above.
Ensure all electrical connectors are fully seated and locked before operating the vehicle.
Verify all mounting bolts are torqued to specification to prevent coil movement or electrical arcing.

Verification

Start the engine and verify smooth idle with no misfires or rough running.
Listen for any abnormal clicking or arcing sounds from the ignition system.
If available, use a scan tool to check for misfire codes on the cylinder that was serviced.
Perform a test drive and verify normal acceleration and power delivery.
Re-inspect the coil mounting bolts after the first heat cycle to ensure they remain tight.