Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2007RAINIER AWD L6-4.2LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION COILSERVICE AND REPAIR
2007 Buick Rainier AWD L6-4.2L
Ignition Coil: Service and Repair
2007 Buick Rainier AWD L6-4.2LSECTION Service and Repair
Ignition Coil Replacement
Removal Procedure
1. Remove the air cleaner outlet resonator.
2. Disconnect the ignition coil connectors (1) from the ignition coils.
3. Remove the retaining bolts (2) from the ignition coils.
4. Remove the ignition coils (1) from the engine.
Installation Procedure
Important: Make sure that the ignition coil seals are properly seated to the valve cover.
1. Install the ignition coil (1).
Notice: Refer to Fastener Notice.
2. Install the ignition coil retaining bolts (2).
Tighten the ignition coil retaining bolts to 10 N.m (89 lb in).
3. Replace the ignition coil connectors (1).
4. Install the air cleaner outlet resonator.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.