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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #1  
Old 01-07-2013, 04:05 PM
Ken Bowers Ken Bowers is offline
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Default Timing Chain

I have a 2003 H2. A friend had a timing chain on a 2005 PT Cruiser break at 100K miles, destroying a valve. He had to junk the car as it was too expensive to fix.

My H2 has 100400 miles. Should I replace the timing chain? Thanks for your help.
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Old 01-07-2013, 06:58 PM
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Default Re: Timing Chain

Chains with steel gears dont have to be replaced at 100K like the cheap cars with plastic gears do
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Old 01-07-2013, 08:03 PM
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Default Re: Timing Chain

PT Cruiser has a timing belt which is a maintenance item at 100000km, chains are not a maintenance item
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Old 01-07-2013, 11:27 PM
Ken Bowers Ken Bowers is offline
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Default Re: Timing Chain

Thanks. I did not know PT Cruiser had plastic gears or that H2 has steel.
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Old 01-08-2013, 01:36 AM
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Default Re: Timing Chain

belt*
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Old 01-08-2013, 04:37 AM
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Default Re: Timing Chain

Mine is around 250K , but a friend had Perkins TD self-destruct at 60K!!! They don't make them like used to.
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Old 01-08-2013, 04:39 AM
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Default Re: Timing Chain

Back in the day the worst thing with timing chains were stretching over time and throwing your timing off. Now with all the computers and electronics that's no longer a worry as the comp will just compensate for any lost timing.
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Old 01-08-2013, 04:42 AM
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Default Re: Timing Chain

Benz 300D im getting ready for my Rover...


It was reported to have 120,000 miles in 1992, but then driven regularly until 2009

Mathematically, if they continued to drive it ~13k miles a year until 2009, you're looking at almost 350k on it.




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