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motor mounts, radiator and now revving HIGH

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Old 10 Aug 2014, 11:07 pm
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Default motor mounts, radiator and now revving HIGH

Well, just popped my PT Cruiser middle motor mount cherry this weekend. Holy crap! What a pain the arse. Took all of two days but took picks and will post the story in a few days.

Bought the car last week and knew it needed mounts by the test drive but had no clue about the history of this problem. After reading up on the job I was on the fence to even take it on. But I pulled the prior service records at a dealer near home and found out the timing belt, water pump, head gasket, cylinder PSI readings, etc. (all related to a jumped timing belt) were done just 6 months ago. So, I figured it was worth the time. NOT REPLACING A BUSTED MIDDLE MOTOR MOUNT DURING A TIMING BELT CHANGE IS CRAZY!

Anyway, replaced all three of the motor mounts and the trans mounts, radiator too while I was at it.

But when I first started the car, it revved WAY up to the extreme. All the way. Checked the throttle linkage and nothing seems wrong.

I'm guessing a vacuum leak since so much of it was apart and the motor shifting during my monkeying the middle mount out. Any one I should start with? This site has been invaluable as well as some YouTube videos.

Gotta go to bed. My brain is mush from this Crazy Chrysler.

Last edited by lenwood; 10 Aug 2014 at 11:09 pm.
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Old 10 Aug 2014, 11:50 pm
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Default Re: motor mounts, radiator and now revving HIGH

Look at large engine vacuum hoses , power brake and PCV. If neither than it is a hunting expedition.
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Last edited by NitroPT; 10 Aug 2014 at 11:54 pm.
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Old 11 Aug 2014, 11:02 am
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Default Re: motor mounts, radiator and now revving HIGH

If throttle cables are good. It's like nitro said. Check the big vac lines till you find the end that's off.

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Old 11 Aug 2014, 01:42 pm
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Default Re: motor mounts, radiator and now revving HIGH

Throttle cable after all. Just needed to see it in the daylight with a fresh pair of eyes. One of the cables was pulled out too far and did not seat back into the groove properly.

Thanks for the reply posts!
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