Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- If equipped with a 8.1 L engine, install the positive battery cable.
- Install the positive cable to the engine harness clip.NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
- Install the positive cable clip bolt (3).
Tighten
Tighten the bolt to 8 N.m (71 lb in).
- Install the positive cable (1) to the starter.
- Install the positive cable nut (2).
Tighten
Tighten the nut to 9 N.m (80 lb in).
- If equipped with a 4.8L, 5.3L, or 6.0L engine, install the positive battery cable.
- Install the positive cable to the clip on the oil pan.
- Install the positive cable clip to the clip on the oil pan.
- Install the positive cable to the starter.
- Install the positive cable nut (1).
Tighten
Tighten the nut to 9 N.m (80 lb in).
- If equipped with a 4.8L, 5.3L, or 6.0L engine, install the battery cable bracket and bolt to the power steering pump.
Tighten
Tighten the bolt to 25 N.m (18 lb ft).
- Install the positive battery cable to the channel.
- Slide the channel pin into the oil pan tab.
- Install the positive battery cable channel bolt.
Tighten
Tighten the bolt to 12 N.m (106 lb in).
- Lower the vehicle.
- If equipped with a 8.1 L engine, install the negative cable clip to the positive cable clip.
- If equipped with a 4.8L, 5.3L, or 6.0L engine, install the negative cable clip to the positive cable clip.
- Install the positive battery cable (1) into the junction block.
- Snap the junction block cover closed.
- If necessary, install the engine sight shield. Refer to ENGINE SIGHT SHIELD REPLACEMENT (4.8L, 5.3L, AND 6.0L (RPO LQ4) or ENGINE SIGHT SHIELD REPLACEMENT (6.0L (RPO LQ9) in Engine Mechanical - 8.1 L.
- Tighten the positive cable bolt at the UBEC.
Tighten
Tighten the bolt to 9 N.m (80 lb in).
- Connect the positive battery cable.
Tighten
Tighten the bolt to 17 N.m (13 lb ft).
- Snap the positive battery cable cap closed.
- Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .