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Home >> Cadillac >> 2008 >> STS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - Introduction >> Repair Instructions >> Ignition Coil Replacement - Bank 1
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Ignition Coil Replacement - Bank 1

Fig 1: View Of Ignition Coil - Bank 1
GM1655590Courtesy of GENERAL MOTORS CORP.
Callout Component Name
NOTE: Refer to Fastener Notice .
Fastener Tightening Specifications:  Refer to Fastener Tightening Specifications .

Preliminary Procedures

  1. Remove the cross vehicle brace. Refer to Cross Vehicle Brace Replacement (DX) .
  2. Remove the engine oil fill cap.
  3. Remove the power steering reservoir cap.
1 Engine Sight Shield
Tip:  Remove the engine sight shield by lifting straight up.
2 Supercharger Inlet Duct Assembly
Tip:  Only remove the front section of the supercharger inlet duct assembly. Refer to Supercharger Inlet Duct Assembly Replacement .
3 Ignition Coil Assembly Cover
Tip:  Remove the ignition coil assembly cover by lifting straight up.
4 Ignition Coil Assembly Bolts (Qty: 2)
Tip: 
  • Do not remove these fasteners if replacing an individual ignition coil. If replacing an individual ignition coil, proceed to callout 7.
  • Disconnect the main electrical connector from the coil assembly.

Tighten:  10 N.m (89 lb in)

5 Ignition Coil Assembly Studs (Qty: 2)
Tip:  Do not remove these fasteners if replacing an individual ignition coil. If replacing an individual ignition coil, proceed to callout 7.

Tighten:  10 N.m (89 lb in)

6 Ignition Coil Assembly
Tip:  Ensure that the spark plug seals, callout 9, are in place during reassembly.
7 Ignition Coil Bolt (Qty: 4)

Tighten:  10 N.m (89 lb in)

8 Ignition Coil (Qty: 4)
Tip: 
  • Disconnect the electrical connector from the ignition coil.
  • Ensure that the spark plug seals, callout 9, are in place during reassembly.
9 Spark Plug Seal (Qty: 4)