Last post on Sep 19, 2013 at 3:05 AM
You are in the Chevy Express & GMC Savana
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Chevrolet Express, GMC Savana, Chevrolet Express Cargo, Chevrolet Sportvan, Chevrolet Chevy Van, Chevrolet Chevy Van Classic, Van
#519 of 655 Re: 2001 Chevy Express turning off DRLs??? [taomanays]
Sep 15, 2006 (3:19 pm)
Daylight Running Lights (DRL)
Some domestics and all Canadian models are quiped with Daytime Running Lihts (DRL) . The DRL system illuminates the head lights whenever the engine isrunning and the parking break is disengaged. The DRL system provides reduced power to the headlights so that they wont be to bright for daytime use and it prolognes the headlight bulbs service life. It does this by modulating the pulse -widthof the power of the headlights. The duration and interval of these power power pulses is determined by the drl control module.which is located on the left knee bolster mounting bracket.to the left of the steering column.if your vehicle is equipped with drl,and if there seems to be a problem with it have it serviced by a dealer hope this works for you GOD BLESS YOU
#520 of 655 Re: 97 g10 express bad idle, hesitation [tdog4]
Sep 16, 2006 (5:59 pm)
I have a 99 5.7L Express Van 105k miles. Very bad hesitation when first starting out (hot or cold) but then got better. Also had the Service Engine Soon light come on (and cycle off once in a while only to come back later). Had a code P0170 and P0174 .. lean condition on both sides). Chevy dealer replaced the fuel pump .. twice. No better. They also said they did a fuel induction clean up ... which did seem to help with the hesitation when at intersections and such. They were ready to change out injectors and I told them I'd pick it up ... they didn't seem to have any good reasons (that they told me) to change them out. Anyway, I reviewed lots of posts and here's what I did: Ran the van with Techron fuel injector cleaner in each tank of gas. Seemed to help some. Changed out the distributer cap and rotor. Replaced PCV valve/tubing/elbow ($10 all-in-one part from the Chevy dealer). Then pulled the airfilter unit, disassembled the Mass Airflow Sensor unit that is right behind the airfilter. Just pull the 4 torx screws out and it will pop right off. Sprayed the daylights out of it using CRC MAS Cleaner ($8 at PepBoys) but still two of the three wires looked black in the center, thicker area of the wire. Got a pencil eraser and VERY, VERY carefully rubbed the wires to get the gunk off. Be very patient! It did clean them up to almost the same condition as the clean 3rd wire. Then sprayed them again with the rest of the can of cleaner. Let everything dry about 20 mins and reassembled. My van is now running like it did years ago ... more power, better sounding and the SES Light went off on it's own! I have to believe that cleaning the Mass Airflow Sensor did the trick. Very, very easy to do.
#521 of 655 Re: 2001 Chevy Express turning off DRLs??? [taomanays]
Sep 19, 2006 (2:48 pm)
depress your parking brake and this will cut off the lights.
#527 of 655 Express 2500 Passenger Air-bag
Sep 27, 2006 (6:25 am)
I recently purchased a 2002 2500 Express Extended Cargo Van. I was doing some reading and found that models with GVW of 8500 and up have a switch to turn off the air-bag. My GVW is 7500 and therefore (I guess) is the reason I do not have such a 'switch'. My occasionally take one of my kids in the van and would like to permanently turn off the passenger side bag. Is there a way to do this?