'91 Spirit broken timing belt

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hdleng - 21 Aug 2004 04:16 GMT

1991 Dodge Spirit, 2.5L, NON-turbo, automatic transmision

I have a broken timing belt. I verified that by checking that I have no
rotation of the distibutor rotor while cranking the engine. Before I start
replacing the belt, I would like to find out whether the engine is damaged
otherwise. Is there destructive interference between the valves and pistons
when the camshaft does not turn? Thanks for the help.

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the fly - 21 Aug 2004 04:48 GMT

>1991 Dodge Spirit, 2.5L, NON-turbo, automatic transmision
>
[quoted text clipped - 3 lines]
>otherwise. Is there destructive interference between the valves and pistons
>when the camshaft does not turn? Thanks for the help.

Gates' timing belt replacement list:

http://www.gates.com/downloads/download_common.cfm?file=GatesTBR.pdf&folder=brochure

does not show yours as an interference engine. You're probably OK.

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Dan Fraser - 21 Aug 2004 06:04 GMT

I've lost the timing belt from this engine, the 2.5L before and had no
damage. As far as I know almost every 2 valve per cylinder engine is a
non-interference design while almost every 4 valve or greater per cylinder
is an interference design. I am sure there are exceptions but these rules of
thumb have been OK for me so far.

> 1991 Dodge Spirit, 2.5L, NON-turbo, automatic transmision
>
[quoted text clipped - 3 lines]
> otherwise. Is there destructive interference between the valves and pistons
> when the camshaft does not turn? Thanks for the help.

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LT - 25 Aug 2004 18:50 GMT

The 16V T3 is a non-interference design.

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