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 MANUALSBUICK2005RAINIER AWD L6-4.2L VIN SREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINESERVICE AND REPAIROVERHAULREPAIR INSTRUCTIONS67. TIMING CHAIN TENSIONER INSTALLATION
2005 Buick Rainier AWD L6-4.2L VIN S
67. Timing Chain Tensioner Installation
2005 Buick Rainier AWD L6-4.2L VIN SSECTION 67. Timing Chain Tensioner Installation
Timing Chain Tensioner Installation
1. Install the timing chain tensioner.
2. Notice: Refer to Fastener Notice in Service Precautions.
Install the timing chain tensioner bolts.
Tighten the timing chain tensioner bolts to 25 Nm (18 ft. lbs.).
3. Install the timing chain tensioner guide.
4. Install the timing chain tensioner guide bolts.
Tighten the timing chain tensioner guide bolts to 12 Nm (107 inch lbs.).
5. Install the timing chain tensioner shoe.
6. Install the timing chain tensioner shoe bolt.
Tighten the timing chain tension shoe bolt to 25 Nm (18 ft. lbs.).
7. Install the cylinder head access hole plugs.
Tighten the cylinder head access hole plugs to 5 Nm (44 inch lbs.).
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.