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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Engine Mechanical - 3.6L (LF4 LGX) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Camshaft Timing Chain Components Installation (LGX) >> Oil Pump Timing Chain Installation

Oil Pump Timing Chain Installation

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.
Fig 1: Oil Pump Timing Chain
GM3979319Courtesy of GENERAL MOTORS COMPANY
Oil Pump Timing Chain Installation

Callout Component Name
1 Oil Pump Timing Chain

Procedure

  1. Preassemble the crankshaft sprocket, oil pump sprocket and the timing chain using the timing marks on the sprockets and the timing chain.
  2. The timing chain timing mark (4) will align with timing chain timing link (3).
  3. The timing chain timing mark (6) will align with timing chain timing link (5).
  4. Install the pre-assembly to the crankshaft first while holding the timing chain to both sprockets.
  5. Install the oil pump sprocket to the oil pump, verify engagement to the D-flat.
  6. Install the oil pump sprocket bolt.
2 Oil Pump Drive Bolt

Tighten in sequence

  1. First Pass: 15 N.m (11 lb ft)
  2. Final Pass: 110 degrees
3 Timing Chain Timing Link
4 Crankshaft Sprocket Timing Mark
5 Timing Chain Timing Link
6 Oil Pump Sprocket Timing Mark