How do you change the coil pack on a 2007.

Tiny
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  • MEMBER
  • 2007 CADILLAC CTS
  • 13,000 MILES
How do you change the coil pack on a 2007 Cadillac CTS.

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Sunday, February 10th, 2013 AT 3:49 PM

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Tiny
HMAC300
  • EXPERT
Removal Procedure

1. Turn the ignition OFF.
2. Remove the engine cover. Refer to Fuel Injector Sight Shield Replacement .

IMPORTANT: Do NOT disconnect the fuel pipes and/or hoses.

3. If you are replacing the ignition coil for cylinder 1 or 3, remove and reposition the intake manifold. Perform the following steps:
1. Disconnect the air cleaner duct from the throttle body.
2. Disconnect the positive crankcase ventilation (PCV) hose from the right bank camshaft cover.

IMPORTANT: Do NOT separate the upper intake manifold from the lower intake manifold.

3. Remove the intake manifold bolts.

Fig. 236: View Of Intake Manifold Brace & Bolts
Courtesy of GENERAL MOTORS CORP.

4. Remove the intake manifold brace bolts (1 and 2) and the brace.
5. Remove and reposition the upper intake manifold with the lower intake manifold in order to gain sufficient clearance for ignition coil removal.

Fig. 237: View Of Ignition Coil Electrical Connectors
Courtesy of GENERAL MOTORS CORP.

4. Remove the ignition coil electrical connector(s).

Fig. 238: Ignition Coil View
Courtesy of GENERAL MOTORS CORP.

5. Remove the ignition coil bolt(s).
6. Remove the ignition coil(s).
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Sunday, February 10th, 2013 AT 4:58 PM

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