Engine - Updated Serpentine Belt Tensioner R&R
89pontiac18Bulletin Number: 89-6-67
Reference Number: 936116
Publish Date: 8/89
Subject: SERVICE MANUAL UPDATE - SECTION 6A, SERPENTINE BELT TENSIONER SERVICE PROCEDURE
Models
Atfected: 1988-89 6000 MODELS WITH 2.5L
SERVICE MANUAL UPDATE
When servicing the serpentine belt tensioner, use the following procedures:
Remove or Disconnect
1. Drain coolant, refer to (Section 6B) of the Service Manual.
2. Drive belt.
3. Bolts securing power steering pump to tensioner assembly.
- Position power steering pump aside.
4. Tensioner to engine attaching bolts.
5. Tensioner
Clean
- Sealing surfaces of tensioner and block, including LIM ring.
DO NOT damage or remove seal.
- If there is damage to LIM seal to where it won't seal, or the seal is missing, replace the tensioner.
Install or Connect
1. Position tensioner on engine block.
2. Tensioner to engine attaching bolts.
Tighten
- Bolts to 50 N-m (37 lb.ft.)
3. Power steering pump to tensioner assembly, Tighten
- Bolt to 27 N-m (20 lb.ft.)
4. Serpentine drive belt.
5. Fill coolant system, refer to (Section 6B) of the Service Manual.