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2002 Chevrolet TrailBlazer - Page 9 Questions & Answers
Oil drain plug size on a 2002 chevy trailblazer
If your going to work on your own vehicles, you need a basic set of tools, wrenches and sockets, standard and metric sizes. Generally it's cheaper to buy a set.
I'm thinking 15mm,but, I could be wrong.
I need step by step
Go to www.trailvoy.com and do a search on "how to replace water pump". You will find a thread with a procedure and pictures for the work required.
What caused A/C to fail?
something wrong with what you say
no freon --ok --that is a leak
next you say that after 30 minutes on the vacuum pump the system showed no leaks
did you have the leak fixed before vacuuming it down -
next--- what gas did you recharge the system with
was it the right gas--- as 350 psi is really high
Gm ac systems are pretty efficient unless they are worked on by any one other than accredited ac specialist shops
I suggest that you visit one to get to the base of the fault
Tail break light not working
Stop Lamps
The STOP fuse in the engine wiring harness junction block supplies battery positive voltage to the normally open stop lamp switch. When the driver presses the brake pedal, the switch contacts close and battery positive voltage is supplied to both the VEHICLE STOP fuse and the VEHICLE CHMSL fuse. The current flow is now to the stop lamps which are grounded at G401 and G402. The center high mounted stop lamp (CHMSL) is grounded at G401.
For trailer wiring, a separate stop lamp circuit is connected through the GMSF to the trailer wiring harness.
How to increase idle on 4200 vortec
You have an inline six engine and it is equipped with engine-mounted electronic Powertrain Control Module that records hundreds of measurements per second and makes immediate adjustments of air, fuel, spark control, and valve timing to provide optimal engine operation. Your Vortec 4200 uses an electronic throttle control (ETC). The ETC sends a series of signals from an accelerator-pedal module using a sensor that relays acceleration-intent data to the powertrain control module (PCM).
To increase idle you will have to reprogram the PCM using an OBD 2 software. Have it service at your dealer.
Whats the code for this truck if it wont start
There are many codes that will not let the truck start. There are other problems that do the same and won't set a code. Have the codes read, post them, and a description of what it is doing or has done. Then we can try to help you with your problem.
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