timing belt probs

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09-17-2007 | 04:41 PM

volvo1400

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timing belt probs

hey yal, volvo service manuals state "do not turn crank without belt on" does anyone know why? i have a 1996 960

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09-17-2007 | 06:44 PM

JPN

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From: IPS, MA

RE: timing belt probs

This post has been moved from the New Members' Area. Notified the original poster.

JPN

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09-17-2007 | 06:47 PM

99VolvoV70

Joined: Jun 2007

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RE: timing belt probs

I think it's to avoid pistons from hitting the cams since the engine is an interference engine.

This website has some good images describing why. http://www.carbibles.com/fuel_engine_bible.html

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09-17-2007 | 07:54 PM

tech

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From: Orlando, Florida

RE: timing belt probs

It bends the valves if the engine cranks over without the belt.
Or if the belt breaks it bends valves.

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