20 Most Recent 2003 Chevrolet Avalanche Questions & Answers


jack up the rear of the car remove wheels and tires, remove the two caliper bolts, remove old brake pads, using a c clamp push each piston the the caliper bake in install new pads, reinstall caliper install wheels and tires lower the jack and your done
caliper bolts are torque head bolts be sure to have the proper size before trying to change the brakes

2003 Chevrolet... | Answered on Jun 11, 2019


It's either two two things. The latch assembly needs to be replaced or it's your BCM .

2003 Chevrolet... | Answered on May 01, 2019


Sluggish window operation can result from a weak motor or a dirty track. Use a child-size toothbrush dipped in water to scrub dirt out (a new one, of course, not some child's favorite toothbrush). You may find marked improvement.

2003 Chevrolet... | Answered on Oct 15, 2018


The code may apply to other parts/assemblies/systems in addition to the throttle body.

2003 Chevrolet... | Answered on Sep 21, 2018


you have to buy the special tool to release the line any autopart store will have it for under 20.oo bucks

2003 Chevrolet... | Answered on May 12, 2018


When you unplugged the alt,did you disconnect the larger alt output power wire?That.s usually where a power draw will be in an alt as this wire is connected to the diodes.

2003 Chevrolet... | Answered on Mar 14, 2018


You have a parasitic draw on the battery , Testing to find the draw isn't too hard ,all you need is a DMM - digital multi-meter . Test for voltage drop over the fuse's . I know GM vehicles had instrument cluster problems that would cause this problem , but test first . Watch these videos .
The BEST Way TO Perform Parasitic Draw Test
Chevrolet Truck Battery Dies Overnight Part

2003 Chevrolet... | Answered on Mar 01, 2018


Doesn't use a fuse , ues a circuit breaker . These very rarely go bad .The right rear door works ? Uses same circuit breaker as front passenger door. The power windows an locks on your vehicle are controlled by electronic control modules . FPDM - front passenger door module , I would look for a broken orange wire inside the flex boot from the body to the front right passenger door . This is power supply to the passenger door module . Do you know what wiring diagrams are ? Free here http://www.bbbind.com/free-tsb

2003 Chevrolet... | Answered on Jan 31, 2018


Not to question your ability, if you listen from the drivers seat while driving, just do yourself a favor, check the rear brakes, funny how sound travels and tricks the mind

2003 Chevrolet... | Answered on Dec 03, 2017


Just a question. Does the truck do this after the truck is warmed up. If not this is a temp. issue and can be a few items. Generally this is an electric switch issue. Remove the fuse from the system when you shut it off for the night and see if it still jumps to 4x4 mode.

2003 Chevrolet... | Answered on Oct 31, 2017


https://s1.postimg.org/8oivhsraj3/underhood_fuse_box.jpg
Click on the link.
I looked at your owners manual.
F pmp in the circle should be fuel pump relay, under hood fuse block. I you don't have an owners manual, my.gm.com
Has your owners manual, you can look at it for free.

2003 Chevrolet... | Answered on Oct 29, 2017


ecm has been replaced????? was it programmed ?

2003 Chevrolet... | Answered on Sep 27, 2017


oil pump is in the oil pan better not have anything to do with water pump

2003 Chevrolet... | Answered on Sep 25, 2017


GM had insturment cluster problems 2003 to 2006 . Inside is a part called a stepper motor , this stepper motor controls the gauge position .
How to repair GM Instrument Cluster Speedometer Gauge Stepper
Beside's the stepper motor issue there can also be a problem with something called silver migration , this has to do with the solder used in the insturment cluster . This can cause a number of electrical problems most people would not even think possible .
Silver Migration
Watch this two videos .
Chevrolet Truck Battery Dies Overnight Part
Chevrolet Truck Battery Dies Overnight Part II


2003 Chevrolet... | Answered on Sep 15, 2017


Being and electronic speedometer, it will surge a touch when engine first started or switch first turned on, that's normal, but the only reason it is not working while driving is most likely a faulty speed sensor. Code should tell you this with a reader.

2003 Chevrolet... | Answered on Aug 25, 2017


PRNDL Display
The instrument panel cluster (IPC) displays the selected gear position as determined by the powertrain control module (PCM). The IPC receives a class 2 message from the PCM indicating the gear position. The PRNDL display blanks if:
• The PCM detects a malfunction in the transmission range switch circuit.
• The IPC receives a class 2 message indicating the park position and the column park switch indicates a position other than park, open input.
• The IPC detects a loss of class 2 communications with the PCM.

Could be the transmission range sensor . Testing would need to be done , hooking up a scan tool ! Doing electrical testing etc...

2003 Chevrolet... | Answered on Jul 06, 2017

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