General Motors — Ignition Coil and Ignition Coil Driver Module Replacement (HVS)
Repair & overhaul
From a General Motors service manual — check it applies to your exact model before use.
Before you start
- Thoroughly coat the bottom of the ignition control module with silicone grease to prevent heat damage
Procedure
- Remove the air cleaner assembly
- Disconnect the electrical connectors
- Remove the ignition coil wire to the distributor
- Remove the studs holding the bracket and the ignition coil to the intake manifold
- Remove the bracket and the ignition coil
- Drill and punch out the two rivets holding the ignition coil to the bracket
- Remove the ignition coil from the bracket
- Install the ignition coil to the bracket with the two screws
- Install the ignition coil and bracket to the intake manifold with studs; tighten to 11 N·m (8 lb ft)
- Install the ignition coil wire and electrical connectors
- Install the air cleaner assembly
Tools required
- Drill Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Ignition coil and bracket studs: 11 N·m (8 lb ft)
Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.