20 Most Recent 2003 Chevrolet Suburban Questions & Answers


Should be easy. Disconnect wires coming in to doors. This may involve taking side panels off. Than unscrew security link and after unscrew doors from hinges or doors with hinges from the frame your doors will freely come out

2003 Chevrolet... | Answered on Feb 03, 2019


Either stuck blend door or a bad blend door actuator motor. It's located under the dash. Remove the actuator and move the door by hand to see if it's binding. If it's free, then the problem is with the actuator or linkage.

2003 Chevrolet... | Answered on Sep 12, 2017


That is the fuel composition sensor ! Does your Suburban have duel fuel tanks or single tank ? What engine is in yours ? The fuel pressure regulator in located on the fuel injector rail on top of the engine . I would say the fuel pump was bad , just from personal expeirence . But if you don't know how to test the electrical circuit an check for fuel pressure with the correct tools , i suggest you take it to your chevy dealer . Is it a flex fuel vehicle ?
GM Fuel Pump Relay Testing

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


They are optional and they have the same fuse as the dome light and other interior lights.

2003 Chevrolet... | Answered on Feb 20, 2017


Remarkable that you need to do this, but perhaps you have high miles. Changing the chain is easy, but so is getting it wrong. Buy a cheap shop manual for full information and torque specs.

2003 Chevrolet... | Answered on Jul 12, 2016


You have 4 relays that control the doors on your front vents. Open the glove box and depress the side to expos? the area behind it. There are 4 square damper controls there place the front A/C to vent and tap on them sometimes they get stuck mid cycle. If you believe they are bad, go to the junk yard and pull replacements. These tend to be expensive at the dealer. If this works you know where the problem lies and you can then buy new ones at the dealer. Good luck hope this helps.

2003 Chevrolet... | Answered on Jul 06, 2016


Most are under the hood in the fuse box on the drivers side. Also check and make sure the window lock is not engaged on the drivers door window controls.

2003 Chevrolet... | Answered on Apr 04, 2016


It's easy ! Disconnect the electrical connector , un bolt it .
Removal Procedure
Notice: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in cleaning solvents of any type.
Remove the connector position assurance (CPA) retainer. Disconnect the accelerator pedal position (APP) sensor electrical connector. Reposition the carpet to access the lower nut.
Remove the accelerator pedal nuts. Remove the accelerator pedal assembly.

2003 Chevrolet... | Answered on Feb 09, 2016


Have you checked the computer for trouble codes ?

2003 Chevrolet... | Answered on Nov 21, 2015


they usually just need levering out , get a piece of cloth or similar to protect the dash then work around vent with a mid size flat blade screwdriver and out it comes

2003 Chevrolet... | Answered on Jun 26, 2015

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