Installation Procedure

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Installation Procedure
WARNING: This page is about a different car, the 2019 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Do not reuse the crankshaft oil seal or front cover gasket.
  • Do not apply any type of sealant to the front cover gasket, unless specified.
  • The special tool in this procedure is used to properly center the front crankshaft front oil seal.
    • All gasket surfaces should be free of oil or other foreign material during assembly.
    • The crankshaft front oil seal MUST be centered in relation to the crankshaft.
    • An improperly aligned front cover may cause premature front oil seal wear and/or engine oil leaks.
  1. GM3633647Courtesy of GENERAL MOTORS COMPANY

    If replacing the front cover perform the following steps, otherwise proceed to step 10.

  2. Install a NEW CMP actuator magnet gasket (3) onto the magnet.
  3. CAUTION:

    Refer to Fastener Caution .

  4. Install the CMP actuator magnet (2) and bolts (1).

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

  5. GM3634560Courtesy of GENERAL MOTORS COMPANY

    Inspect the CMP sensor O-ring seal for cuts or damage. If the seal is not cut or damaged, it may be reused.

  6. Lubricate the O-ring seal (2) with clean engine oil.
  7. Install the CMP sensor (1).
  8. GM3634520Courtesy of GENERAL MOTORS COMPANY

    Position the CMP sensor wire harness (2) to the front cover

  9. Connect the CMP sensor wire harness to the CMP sensor.
  10. Install the CMP sensor wire harness bolts (1).

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

  11. GM3634493Courtesy of GENERAL MOTORS COMPANY

    Apply a 5 mm (0.20 in) bead of sealant, 20 mm (0.80 in) long to the oil pan to engine block junction. Refer to Adhesives, Fluids, Lubricants, and Sealers .

  12. Position the NEW engine front cover gasket (3) and front cover (2) to the engine.
  13. Install the front cover bolts (1) until snug. Do not overtighten.
  14. GM832976Courtesy of GENERAL MOTORS COMPANY

    Install the oil pan-to-front cover bolts (1) until snug. Do not over tighten.

  15. GM3612635Courtesy of GENERAL MOTORS COMPANY

    Install EN-48853  front and rear cover alignment tool (1) to the front cover.

  16. Align the tapered legs of the EN-48853  front and rear cover alignment tool with the machined alignment surfaces on the front cover.
  17. Install the threaded rod, washer and nut from J-41478  crankshaft front oil seal installer.
  18. Tighten the nut until snug, holding EN-48853  alignment tool firmly in place. Do not overtighten.
  19. Tighten the oil pan to front cover bolts to 25 N.m (18 lb ft).
  20. Tighten the engine front cover bolts to 25 N.m (18 lb ft).
  21. Remove the tools.
  22. GM1697734Courtesy of GENERAL MOTORS COMPANY

    Position the harness and attach the harness retainer (3) to the oil pan.

  23. Install the bolt (2) attaching the harness to the oil pan.

    Tighten 

    Tighten the bolt to 10 N.m (89 lb in).

  24. Connect the engine harness electrical connector (1) to the CMP sensor wire harness electrical connector.
  25. Install a NEW crankshaft front oil seal. Refer to Crankshaft Front Oil Seal Replacement .
  26. Install the water pump. Refer to Water Pump Replacement (L96) .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.