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HOMESERVICE MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE MECHANICAL - 8.1L - SERVICE, REPAIR AND DIAGNOSTICS)REPAIR INSTRUCTIONSOIL PAN REPLACEMENTINSTALLATION PROCEDURE
2001 Chevrolet Suburban C1500

Installation Procedure

2001 Chevrolet Suburban C1500SECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
IMPORTANT:

The oil pan must be installed within 5 minutes of the sealer being applied or the sealer will begin to cure, causing an inadequate seal.

    Fig 1: View Of Front Cover & Rear Crankshaft Bearing Cap Sealant Points
    GM677833Courtesy of GENERAL MOTORS COMPANY
  1. Apply sealant GM U.S. P/N 12346286, Canada P/N 10953472, or equivalent to the sides of the front (1) and rear (2) crankshaft bearing caps, on both the left and right sides (4 locations total).
    2. Fig 2: Oil Pan & Gasket
    GM635654Courtesy of GENERAL MOTORS COMPANY
  2. Install a NEW oil pan gasket (2) into the oil pan groove, if required.
  3. Install the oil pan (1).
    4. Fig 3: View Of Oil Pan Bolt Tightening Sequence
    GM677869Courtesy of GENERAL MOTORS COMPANY
  4. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the oil pan bolts.

    Tighten 

    1. Tighten the oil pan bolts in sequence a first pass to 10 N.m (89 lb in).
    2. Tighten the oil pan bolts in sequence a final pass to 25 N.m (18 lb ft).
    5. Fig 4: Battery Cable Channel & Bolt
    GM750904Courtesy of GENERAL MOTORS COMPANY
  5. Position the battery cable channel into place.
  6. Install the battery cable channel bolt.

    Tighten 

    Tighten the battery cable channel bolt to 9 N.m (80 lb in).

    7. Fig 5: View Of Oil Level Sensor
    GM750962Courtesy of GENERAL MOTORS COMPANY
  7. Install the oil level sensor to the oil pan.

    Tighten 

    Tighten the oil level sensor to 20 N.m (15 lb ft).

    8. Fig 6: View Of Engine Harness Ground At Starter Solenoid (8.1L)
    GM750961Courtesy of GENERAL MOTORS COMPANY
  8. Install the engine harness clip to the oil pan.
  9. Connect the oil level sensor electrical connector (2).
  10. Install the oil level indicator. Refer to Oil Level Indicator Tube Replacement .
  11. Fill the engine with oil. Refer to Engine Oil and Oil Filter Replacement .
    12. Fig 7: View Of Crossmember Bolts & Bar (4WD Only)
    GM487521Courtesy of GENERAL MOTORS COMPANY
  12. If equipped with 4WD, install the crossbar.
  13. Install the crossbar bolts.

    Tighten 

    Tighten the crossbar bolts to 100 N.m (74 lb ft).

    14. Fig 8: View Of Crossbar Bolts & Bar (2WD)
    GM328107Courtesy of GENERAL MOTORS COMPANY
  14. If equipped with 2WD, install the crossbar.
  15. Install the crossbar bolts.

    Tighten 

    Tighten the crossbar bolts to 100 N.m (74 lb ft).

    16. Fig 9: Identifying Oil Pan Skid Plate
    GM309158Courtesy of GENERAL MOTORS COMPANY
  16. Install the oil pan skid plate.
  17. Install the oil pan skid plate bolts.

    Tighten 

    Tighten the oil pan skid plate bolts to 20 N.m (15 lb ft).

  18. Install the starter motor. Refer to Starter Replacement (8.1L Engine) in Engine Electrical.
  19. Install the front differential, if equipped with 4WD. Refer to Differential Carrier Assembly Replacement in Front Drive Axle.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.