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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Engine Mechanical - 3.6L (LF4 LGX) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Cylinder Head Replacement - Right Side (LF4) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Assemble the cylinder head as necessary. Refer to Cylinder Head Assemble (LF4) .
    2. Fig 1: View Of Right Cylinder Head Gasket
    GM2202034Courtesy of GENERAL MOTORS COMPANY
  2. Ensure the cylinder head locating pins are securely mounted in the cylinder block deck face.
  3. Cylinder Head Gasket - Install NEW
    4. Fig 2: View Of Right Cylinder Head & Bolts
    GM2202033Courtesy of GENERAL MOTORS COMPANY
  4. Align the right cylinder head (2) with the deck face locating pins.
  5. Place the right cylinder head in position on the deck face.
    6. Fig 3: Identifying M11 Cylinder Head Bolt Tightening Sequence
    GM2126651Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:
    • DO NOT allow oil on the cylinder head bolt bosses.
    • DO NOT reuse the old cylinder head bolts.
  6. Install the NEW M11 cylinder head bolts (1).
    1. Tighten the M11 cylinder head bolts a first pass in sequence to 30 N.m (22 lb ft).
    2. Tighten the M11 cylinder head bolts a second pass in sequence an additional 150 degrees using the EN-45059  meter.
  7. Install the NEW M8 cylinder head bolt (2).
    1. Tighten the M8 cylinder head bolt a first pass to 15 N.m (11 lb ft).
    2. Tighten the M8 cylinder head bolt a second pass an additional 75 degrees using the EN-45059  meter.
    8. Fig 4: Radiator Outlet Pipe And Bracket
    GM4045035Courtesy of GENERAL MOTORS COMPANY
  8. Radiator Outlet Pipe Bracket Bolt @ Cylinder Head Assembly - Install and tighten 22 N.m (16 lb ft)
  9. Turbocharger @ Bank 1 Install - Turbocharger Replacement (Bank 1) Turbocharger Replacement (Bank 2) 
  10. Fuel Feed Intermediate Pipe Install - Fuel Feed Intermediate Pipe Replacement (LF4)
  11. Fuel Feed Front Pipe Install - Fuel Feed Front Pipe Replacement
  12. Secondary Timing Drive Chain @ Right Side Install - Secondary Camshaft Intermediate Drive Chain Replacement - Right Side (LF4) 
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