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 DIAGNOSISENGINE, COOLING AND EXHAUSTENGINETIMING COMPONENTSSPECIFICATIONS
2007 Buick Rainier AWD L6-4.2L
Timing Components: Specifications
2007 Buick Rainier AWD L6-4.2LSECTION Specifications
Timing Chain Tensioner
Important: Every seventh link of the timing chain is darkened to aid in aligning the timing marks.
Install the timing chain tensioner and secure the tensioner.
Tighten the timing chain tensioner bolts to 25 N.m (18 lb ft).
Install the timing chain tensioner guide and secure the guide with bolts.
Tighten the timing chain tensioner guide to 10 N.m (89 lb in).
Install the timing chain tensioner shoe and secure the shoe with the bolt.
Tighten the timing chain tensioner shoe bolt to 26 N.m (19 lb ft).
Crankshaft Balancer Bolt
First Pass 150 N.m (110.6 lb ft)
Final Pass 180 degrees
Engine Front Cover
Install the engine front cover.
Install the engine front cover bolts.
Tighten the engine front cover bolts to 10 N.m (89 lb in).
Tighten the small center bolt (1) last to 10 N.m (89 lb in).
Engine Front Cover Spacer Bolt 10 N.m (89 lb in)
Important: Every seventh link of the timing chain is darkened to aid in aligning the timing marks.
Install the timing chain tensioner and secure the tensioner.
Tighten the timing chain tensioner bolts to 25 N.m (18 lb ft).
Install the timing chain tensioner guide and secure the guide with bolts.
Tighten the timing chain tensioner guide to 10 N.m (89 lb in).
Install the timing chain tensioner shoe and secure the shoe with the bolt.
Tighten the timing chain tensioner shoe bolt to 26 N.m (19 lb ft).
Crankshaft Balancer Bolt
First Pass 150 N.m (110.6 lb ft)
Final Pass 180 degrees
Engine Front Cover
Install the engine front cover.
Install the engine front cover bolts.
Tighten the engine front cover bolts to 10 N.m (89 lb in).
Tighten the small center bolt (1) last to 10 N.m (89 lb in).
Engine Front Cover Spacer Bolt 10 N.m (89 lb in)
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.