Subject: | Service Manual Update for 2000 and 2001 L-Series L61 Engine Service Manuals
Regarding "Balance Shaft Timing Procedure (Unit Repair)" |
Models: | 2000 - 2001 Saturn L-Series vehicles equipped with 4-cylinder (L61) engines |
Purpose
The purpose of this bulletin is to update all 2000 and 2001 L-Series L61 Engine
Service Manuals at your location.
Please obtain all 2000 and 2001 L-Series L61 Engine Service Manuals and make
the update as indicated below.
- Using a marker or pen, cross out the existing "Timing Balance Shafts to
Engine (Unit Repair)"procedure on the following pages:
• | Page 645 in the 2000 L-Series L61 Engine Service Manual. |
• | Page 648 in the 2001 L-Series L61 Engine Service Manual. |
- Next to the items crossed out in step 1, write the following:
"Refer to Technical Information Bulletin 02-T-00"
- Make photocopies of page 2 of this bulletin.
- Insert photocopy of page 2 between the following pages:
• | Pages 644 and 645 in the 2000 L-Series L61 Engine Service Manual. |
• | Pages 648 and 649 in the 2001 L-Series L61 Engine Service Manual. |
Service Manual update for 2000 and 2001 L-Series L61 Engine Service Manuals.
Refer to Technical Information Bulletin 02-T-00. May, 2002.
Timing Balance Shafts To Engine (Unit Repair)
Important: If balance shafts are not properly timed to engine, engine may vibrate or make
noise.
- Install balance shaft drive chain with colored links lined up with marks on
balance shaft drive sprockets and crankshaft sprocket. Use the following procedure
to line up links with sprockets:
1.1. | Orient chain so that copper colored and chrome links are visible. |
1.2. | Place copper colored link (1) so that it lines up with timing mark on
intake side balance shaft sprocket. |
1.3. | Working clockwise around chain, place first chrome link (2) in line with
timing mark on crankshaft drive sprocket (approximately 6 o'clock position on crank
sprocket). |
1.4. | Place chain around the water pump drive sprocket. |
1.5. | Align last chrome link (3) with timing mark on exhaust side balance shaft
drive sprocket. |
- Install balance shaft drive chain tensioner. Refer to "Balance Shaft Drive
Chain and Tensioner (Unit Repair)" installation procedure in the applicable model
year L-Series L61 Engine Service Manual.