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Unread 04-29-2015, 02:45 PM   #1
coltonhill
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2007 Jeep Liberty Problems

I have a 2007 Jeep Liberty Sport. When I accelerate quickly when it shifts gears it jerks really hard. It only does when I accelerate quickly.

Also, the air conditioner and heat does not blow on 1 or 2. It does blow on 3 and 4 as they normally would. 1 and 2 just don't blow anymore. They used to blow on all four. First 1 stopped then a little later 2 stopped.

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Unread 04-29-2015, 05:33 PM   #2
95BadBoy
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First post - Welcome to JF -


Your blower fan issue is caused by the failure of the resistor pack. Do a quick search on here - and you will find lots of info on how to fix that problem.
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Unread 04-29-2015, 05:40 PM   #3
draperjojo
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I would check the resistor block, which is probably behind the glove box. Do a search on the blower resistor, and I believe most people changing that out are going to a heavier duty version that chrysler makes.
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Unread 04-29-2015, 06:54 PM   #4
02blue
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Here's some info on the blower resistor:

http://www.jeepkj.com/forum/f196/blower-resistor-57266/

It's behind the glovebox.

As for the hard shifting, has it just started doing this or has it always been this way? Might be normal but different from what you are accustomed to. Never hurts to check the fluid and have it serviced if it's been a while. I do a pan drop and partial fluid replacement every 30k.
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Unread 04-29-2015, 09:02 PM   #5
streetglideok
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Quote:
Originally Posted by coltonhill View Post
I have a 2007 Jeep Liberty Sport. When I accelerate quickly when it shifts gears it jerks really hard. It only does when I accelerate quickly.

Also, the air conditioner and heat does not blow on 1 or 2. It does blow on 3 and 4 as they normally would. 1 and 2 just don't blow anymore. They used to blow on all four. First 1 stopped then a little later 2 stopped.
How many miles are on it? How often has the fluid been changed in the transmission? Has it ever been used for towing, and has it ever been used on offroad trails at all, ie. going slow speeds for extended times on unimproved roads or trails, using 4wd, etc? I would suspect if the miles aren't really high, then you may just need the fluid changed, and possibly a conditioner put in with the new fluid. Will want to use the Chrysler approved ATF+4 fluid, and may need to have shift adaptations reset once the fluid is changed, or it may shift hard afterwards.
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Unread 05-04-2015, 07:47 AM   #6
JeepCares
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Quote:
Originally Posted by coltonhill View Post
I have a 2007 Jeep Liberty Sport. When I accelerate quickly when it shifts gears it jerks really hard. It only does when I accelerate quickly.

Also, the air conditioner and heat does not blow on 1 or 2. It does blow on 3 and 4 as they normally would. 1 and 2 just don't blow anymore. They used to blow on all four. First 1 stopped then a little later 2 stopped.
Hey coltonhill,

I was unable to find a service bulletin related to the air conditioning concerns you have, but would like to look into your shifting concern. When experiencing the harsh shifting, what gear(s) is the vehicle in? Also are you up to date on your vehicle maintenance? You can find out what maintenance is recommended for the mileage mark your vehicle is currently at in your Owner Manual on pages 369-390. Here is a link the a digital version of your Owner Manual:

http://www.jeep.com/en/owners/manuals/

Let me know if you have any additional questions!
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