GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 CTS 🢒 Engine 🢒 Engine Mechanical - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Camshaft Cover Installation - Left Side

Camshaft Cover Installation - Left Side LY7/LP1

Tools Required

    • EN 46101 Spark Plug Tube Seal Guide
    • EN-48383 Camshaft Retaining Tools

    Object Number: 1832345 Size: SH
  1. Remove the EN 48383-2 from the rear of the left camshafts.

    2. Object Number: 1832346 Size: SH
  2. Install the EN 46101 onto the spark plug tubes of the left cylinder head.

    3. Object Number: 1871078 Size: SH
  3. Install the NEW camshaft cover bolt grommets prior to installing the camshaft cover bolts.
  4. Wipe the camshaft cover sealing surface on the left cylinder head with a clean, lint-free cloth.

    5. Object Number: 1832348 Size: SH
  5. Place a bead 8 mm (0.3150 in) in diameter by 4 mm (0.1575 in) in height of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, on the engine front cover split lines (1).

    6. Object Number: 1871080 Size: SH
  6. Place the left camshaft cover into position onto the left cylinder head.

    7. Object Number: 1871081 Size: SH
  7. Loosely install the left camshaft cover bolts.

    8. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1871082 Size: SH
  8. Tighten the left camshaft cover bolts in the sequence shown.

    9. Tighten
    Tighten the left camshaft cover bolts in the sequence to 10 N·m (89 lb in).


    Object Number: 1871083 Size: SH
  9. Remove the EN 46101 from the spark plug tubes of the left cylinder head.

    10. Object Number: 1871069 Size: SH
  10. Install the NEW spark plugs into the left cylinder head.

    11. Tighten
    Tighten the spark plugs to 20 N·m (15 lb ft).


    Object Number: 1871068 Size: SH
  11. Install the ignition coils.

    12. Object Number: 1871067 Size: SH
  12. Install the ignition coil bolts.

    13. Tighten
    Tighten the ignition coil bolts to 10 N·m (89 lb in).

Camshaft Cover Installation - Left Side LLT

Special Tools

    • EN 46101 Spark Plug Tube Seal Guide
    • EN-48383 Camshaft Retaining Tools

    Object Number: 1978177 Size: SH
  1. Remove the EN 48383-2 from the rear of the left camshafts.

    2. Object Number: 1978178 Size: SH
  2. Install the EN 46101 onto the spark plug tubes of the left cylinder head.

    3. Object Number: 1978179 Size: SH
  3. Install the NEW camshaft cover bolt grommets prior to installing the camshaft cover bolts.
  4. Wipe the camshaft cover sealing surface on the left cylinder head with a clean, lint-free cloth.

    5. Object Number: 1832348 Size: SH
  5. Place a bead 8 mm (0.3150 in) in diameter by 4 mm (0.1575 in) in height of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, on the engine front cover split lines (1).

    6. Object Number: 1978180 Size: SH
  6. Place the left camshaft cover into position onto the left cylinder head.

    7. Object Number: 1978181 Size: SH
  7. Loosely install the left camshaft cover bolts.

    8. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1978182 Size: SH
  8. Tighten the left camshaft cover bolts in the sequence shown.

    9. Tighten

    1. Tighten the left camshaft cover bolts in the sequence to 10 N·m (89 lb in).
    2. Tighten the left camshaft cover bolts a second pass in the sequence to 10 N·m (89 lb in).

    Object Number: 1978183 Size: SH
  9. Remove the EN 46101 from the spark plug tubes of the left cylinder head.

    10. Object Number: 1978184 Size: SH
  10. Install the NEW spark plugs into the left cylinder head.

    11. Tighten
    Tighten the spark plugs to 20 N·m (15 lb ft).


    Object Number: 1977863 Size: SH
  11. Install the ignition coils.

    12. Object Number: 1977859 Size: SH
  12. Install the ignition coil bolts.

    13. Tighten
    Tighten the ignition coil bolts to 10 N·m (89 lb in).