Federal
REMOVAL PROCEDURECAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Remove the negative battery cables.
2. Release the wiring harness connector at the glow plug relay.
3. Remove the glow plug wiring harness nuts and harness.
4. Remove the relay mounting nuts.
5. Remove the glow plug relay by lifting it off the mounting studs.
INSTALLATION PROCEDURE
1. Install the glow plug relay on the mounting studs.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the glow plug relay mounting nuts.
Tighten
Tighten the nuts to 42 N.m (31 lb ft).
3. Install the wiring harness connector to the relay.
4. Install the glow plug wiring harness and nuts.
Tighten
Tighten the nuts to 5 N.m (44 lb in).
5. Install the negative battery cables.
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Remove the negative battery cables.
2. Remove the upper intake manifold cover by loosening the mounting bolts.
3. Release all three wiring harness connectors at the glow plug relay (1).
4. Remove the glow plug battery feed nut and wire.
5. Remove the relay mounting bolt (4).
6. Remove the glow plug relay (1).
INSTALLATION PROCEDURE
1. Install the glow plug relay (1) on the mounting bracket (3).
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the glow plug relay mounting bolt (4).
Tighten
Tighten the mounting bolt to 22 N.m (16 lb ft).
3. Install all three wiring harness connectors to the relay (1).
4. Install the glow plug battery teed nut and wire.
Tighten
Tighten the nut to 4.5 N.m (40 lb in).
5. Install the upper intake manifold cover bolts to 11 N.m (100 lb in).
6. Install the negative battery cables.