Question about 2002 Chevrolet TrailBlazer

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Ac turns the car off

My ac turns off once i changed the radio in my 2002 trailblazer

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Remove radio and check to see if you pulled wires from ac head controller try pushing plug back in.

Posted on Jun 21, 2009

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1 Answer

The idle changes constantly why do i lose power when ac is turned on


this could be the alternator having a low charge rate , turning on th ac put more strain on the engines electrical system , get the charge rate checked ,

Jun 23, 2014 | 2002 Chevrolet TrailBlazer

1 Answer

I changed the water pump on my 2002 trailblazer LS and now it when i turn the AC on it will not idle and will shut off. What do I need to do to correct his issue?


CHECK AND SEE IF YOUR WATER PUMP IS LEAKING COOLANT ON DRIVE BELT CAUSING DRIVE BELT TO SLIP NOT ALLOWING AC COMPRESSOR TO WORK RIGHT.

Sep 19, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

My truck turns off when i put on the A.C on or the defoger also the radio turns on and off and when I turn on the truck it has a tik tik tik sound.


Very common problem after the battery has been disconnected or a battery change. Clean your throttle body with throttle body cleaner. First disconnect the battery, clean the TB with TB cleaner, must be nice and shiny. When finished, hook the battery back up and drive around for 20 minutes or so with all accessories off, so the computer will relearn a properly functioning throttle body.

Your computer learned some bad habits, so when you changed the battery, the computer thought the throttle body was clean and functioning properly. So when you changed it, this caused all your problems. Very common, keep your throttle body clean, should be done at least once a year. Total cost if you do it yourself is around $5, for the can of TB cleaner.

Apr 13, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

I have a 2002 trailblazer ltz, I go to start the truck and it just clicks under the hood, no noise or anything. The lights on the console comes on and the radio says that's it's on but it only plays...


Sounds like either a loose connection at the battery, or your battery has failed. Check your connections and make sure they are clean and tight, if so, then have your battery tested, and change if recommended.

Mar 17, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

Radio wont turn off after key is removed and open door. After some time it turns off by itself. Also batt light comes on when I turn key to off position. Power windows still work as well as power locks....


I have the same problem. I found that the stick shift wasn't locked in park possion. Once I locked it and turned the key to off the radio turned off.

Feb 25, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

How to change the spark plugs in a 2002 chevy trailblazer?


Visit www.trailvoy.com and do a search on "how to replace spark plugs", you will find threads describing the process. Make sure to use AC Delco Iridium 41-103 plugs.

Aug 30, 2010 | 2002 Chevrolet TrailBlazer

3 Answers

I changed out my battery, but now my windows, a/c and radio aren't working.


Its possible that you have activated the THEFT System, in the 2003-Chevrolet-Trailblazer Owners Manual, check the procedure to disarm.

Hope help to solve it.

Jul 19, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

2002Chevy trailblazer engine cuts off when heater & ac is on


remove the airintake boot and clean throttle butterfly with a rag and carb cleaner

Dec 03, 2008 | 2002 Chevrolet TrailBlazer

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