Plenum Front Panel Replacement (LT1 LT4)
 Courtesy of GENERAL MOTORS COMPANY
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NOTE:
Callouts in the following chart represent components shown in graphic above.
| Callout |
Component Name |
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Preliminary Procedures
- Remove the left side front end sheet metal diagonal brace bolt @ plenum front panel. Front End Sheet Metal Diagonal Brace Replacement - Left Side
- Remove the right side front end sheet metal diagonal brace bolt @ plenum front panel. Front End Sheet Metal Diagonal Brace Replacement - Right Side
- Windshield Wiper Transmission Replacement
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| 1 |
Plenum Front Panel Bolt [4x]
Tighten
9 N.m (80 lb in) |
| 2 |
Plenum Front Panel Nut [8x]
Tighten
9 N.m (80 lb in) |
| 3 |
Plenum Front Panel Procedure
- Disconnect all electrical connectors.
- Using an appropriate tool, separate the adhesive bond between the plenum front panel and the body.
- Clean any remaining adhesive with a 50/50 mixture by volume of isopropyl alcohol and clean drinkable water. Wipe surface dry with a clean lint-free towel.
- Apply an MS polymer body seam sealer to seal the plenum when installing.
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