20 Most Recent 2004 Chevrolet Express Questions & Answers


PLEASE DON'T FORGET TO RATE--You didn't post the size of motor so please pick the applicable one:

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Accessory serpentine belt routing—4.8L, 5.3L and 6.0L engines

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Accessory serpentine belt routing—4.3L, 5.0L and 5.7L engines without A/C

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Accessory serpentine belt routing—4.3L, 5.0L and 5.7L engines with A/C

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Accessory serpentine belt routing—6.5L Diesel engines

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Accessory serpentine belt routing—7.4L engine

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Accessory serpentine belt routing—8.1L engine

2004 Chevrolet... | Answered on Dec 21, 2018


Striker post

If you need further help, reach me via phone at https://www.6ya.com/expert/ralph_f3d50d49191a7202

2004 Chevrolet... | Answered on Oct 24, 2017


notify chevy of your complaint this fixya we are not affiliated or associated with chevrolet or their vehicles

2004 Chevrolet... | Answered on Jul 08, 2017


if you have specific details as to the times , rpms , conditions that cause the problems take it to an accredited auto transmission specialist shop and have it diagnosed
with your details they should be able to pinpoint the fault as it will not be uncommon

2004 Chevrolet... | Answered on Jun 08, 2017


The actuator is probably way up under the dash and impossible to see until you remove AC pipes or glove box. Check shop manual if possible.

2004 Chevrolet... | Answered on Mar 25, 2017


Should be in the upper line that goes into the evaporator

2004 Chevrolet... | Answered on Aug 22, 2016


This may be related to the antitheft system The system is known for turning off the starter and/or injectors when it fails. Is there a light on the dash that says SECURITY? This is a common problem worth looking into. http://www.diy-gm-security.com/

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2004 Chevrolet... | Answered on Dec 30, 2015


either dead battery or a bad starter .

2004 Chevrolet... | Answered on Dec 27, 2015


Check your shop manual.

2004 Chevrolet... | Answered on Oct 02, 2015



The HR arrow is the left one and the MIN arrow is on the right.

Here's the instructions from the manual:

Press and hold the HR or MIN arrow for two seconds.
Then press HR until the correct hour appears on
the display. Press and hold MIN until the correct minute
appears on the display. The time may be set with the
ignition on or off.
Hold either arrow down for two seconds and then you can adjust the hour and minutes.


2004 Chevrolet... | Answered on May 04, 2015


because ignition key has a chip that allow ecm to start the engine if you are using a key copy it will not working, if you don't have the original key with the chip on it you must take vehicle to the dealer to disable the security program on engine computer

2004 Chevrolet... | Answered on Apr 23, 2015


50 thousand miles

2004 Chevrolet... | Answered on Apr 23, 2015


see attached - I assumed you have ac 21887722-b2l3qrdyfwartoeunww2aiqc-4-0.gif

2004 Chevrolet... | Answered on Jan 04, 2015


Turn signal doesn't have a relay. If your talking about the flasher, it is built into the hazard switch. Which yours may or may not be in the turn signal switch. If the hazard is on the column, then it is in the switch. In the dash, it's not. I haven't worked on the express, but that's where GM puts them.

2004 Chevrolet... | Answered on Aug 21, 2014


had the same problem. Trace pink wire in harness rubbing on dogbox frame in engine compartment.

2004 Chevrolet... | Answered on Aug 01, 2014


  • Yea that fan seems like a pain but all you have to do is stabilize it. A strap wrench is ideal but a belt will work too. Use this to stabilize your fan.
  • Now there is a nut on the back. Trick is this is a left handed thread. Right turns to loosen.


Regards, Tony

2004 Chevrolet... | Answered on Aug 01, 2014


Hello. there are two fuses for the power outlets. check them both to make sure they are good. here is the fuses you need to check. both of these fuses are located in the fuse block under the hood.

CIGAR FUSE numbered 30 it is a blue 15 amp fuse.
the other fuse is AUX PWR numbered 29 it is a yellow 20 amp fuse

2004 Chevrolet... | Answered on Jul 17, 2014

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security light van keeps cutting off

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