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Chevy Express/GMC Savana

618 messages,  Last post on Oct 31, 2009 at 12:44 PM

You are in the Chevy Express & GMC Savana Forum. Your Host is Karens

What is this discussion about? Chevrolet Express, GMC Savana, Chevrolet Express Cargo, Chevrolet Sportvan, Chevrolet Chevy Van, Chevrolet Chevy Van Classic, Van


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#598 of 618
Re: Engine Problem with 2001 Express [swinnyo] by llocascio
Dec 30, 2008 (10:13 am)
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Replying to: swinnyo (Aug 14, 2008 11:35 am)

swinnyo - do you have more information on this wiring issue and is it the same for a 2002 Savana van. I have similar issues and want to check this wiring while I am checking everything else.
 
Thanks
#599 of 618
2008/2009 Chevy Express by gmjohn
Jan 18, 2009 (6:59 pm)
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I'm interested in towing my 4000 pound boat with a 2008 or 2009 Chevy express. I just wondering if anyone tows with this van and how do you like the van for towing? Does the 5.3 liter engine develop enough torque to pull 4000 lbs?
 
Thanks
gmjohn
#600 of 618
towing by eddiesvan
Jan 19, 2009 (2:55 pm)
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I have pulled my boat 18 ft bass boat with my 2000 gmc savanna work van loaded with plumbing tools v8 , no problems I usually travel from birmingham to guntersville approx 55 miles and across small mountains rest of ride is flat van has over 100 grand on it now.I now pull boat with 92 ford ranger pick up 6 cyl
#601 of 618
Chevy Express Starting Problems by cabledogrg11
Feb 07, 2009 (9:27 pm)
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I have a 2001 Chevy Express 3500. 5 months ago I started having issues where I would have to turn the vehicle over 2-3 times before it would start. Coming back from vacation I let the Van sit for 5 weeks and could not get it started. The vehicle runs fine once started, Idles fine, no issues, but takes 3-6 times to start now, and have had to get a new battery or charge the old to keep cranking. I am wondering what would be the first thing to look at. The last time I had to wiggle the (inside the motor) fuse box and it cranked right up. Any suggestions would be helpful. Thanks in advance.
 
Rick
Pensacola, Fla.
#602 of 618
1999 Express surging over 40mph by zoyberg
Feb 14, 2009 (3:51 pm)
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Hi,
 
I have a 1999 express van with the 5.7 V8. While driving at speeds over 40 mph the motor is starting to stumble - will hold/increase speed but does it under minor protest. Any help would be nice.
 
I'm thinking fuel pump (only have 50psi - should be 65ish?)
180,000 miles with new plugs, wire, cap, rotor, oil change, air filter, and fuel filter
#603 of 618
Re: 97 g10 express bad idle, hesitation [hopkinstx] by atlantareb
Feb 17, 2009 (5:10 pm)
Reply

Replying to: hopkinstx (Sep 16, 2006 5:59 pm)

You posted your message over two years ago and it helped me. Thank you. I too replaced the fuel pump . . . and the fuel regulator and was thinking about the fuel injectors. You are right--that mass air flow sensor does make a difference--it needs to be clean and just spraying alone won't do it. On the can of CRC MAS cleaner they say don't touch it, but you have to--just very, very gently with a sharpened erasure sprayed with cleaner and periodically wiped on a clean cloth. The center of each hair-thin wire looks like a very small resistor. The side that was dirty on each was the side facing the air flow. The engine side of the wire/resisters looked clean. I got out my magnifying glass to check it out. Thanks again. I haven't read about this anywhere else.
#604 of 618
Express Van service codes by zoyberg
Feb 20, 2009 (9:02 am)
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I have a express van with the 5.7 V8 that is giving me 3 check engine codes
 
P0161 - o2 heater bank 2 sensor 2 (which side - o2 after cat?)
 
P0300 - misfire (Will low fuel pressure cause this one?)
 
P0420 Cat. efficient low on Bank 1 (what should I check?)
 
Which side would bank 1 and bank 2 be? I have replaced both of the O2 sensors on the passenger side last year.
#605 of 618
GMC Savana vs. Chevy Express by ronwind
Feb 24, 2009 (2:32 pm)
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Are these two vans the same product off the line excpet for the name plate?
 
Great forum here!
 
Thanks!
 
RonWind
#606 of 618
by 1320jon
Feb 27, 2009 (7:57 pm)
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Zoyberg, I dont think your fp is your problem. 50 is actually normal. 58-63 is the book amount I think, but virtually all the ones I ve checked are 50-54 running.
 
I believ its the difference between key on and running with vacuum pulling the fp down alittle.
 
Since you did plugs and wires, thats probably the problem. Put cheap copper plugs in again, and check the wires carefully. The hesitation is undoubtably a mis causing your nisfire code. The bank 2 sensor 2 should be the passenger side rear (after cat) o2 sensor. My scanners can watch each o2 sensor seperatly to verify the operating condition.
 
The 420 code, has me stumped, other then a lazy o2 (rear drivers) or a bad cat itself. If you have plugged cats, that could cause your mis, the exhuast not being able to get out, thus causing a huge back up in the cylinder. Ussually they get progressively worse till the cat is completely closed and the veh will not run, or just barely. I would suspect the cats, maybe more if you towed with it, and or it has a lot of miles.
 
Ronwind: Yes the gmc and chevy express are the same vehicle with different name plates. Some say the gmc's are built better, and I always laughed at that, but just recently I compared an 04 express to my 03 savana. The savana does have some bolts holdng small trim peices on were the express does not, and it uses a spring clip. So it does infact look like the gmc maybe built a tinny bit better.
 
The grills and trims are different but all the major parts interchange, and many of teh van parts interchange with the chevy/gnc trucks also, like the 1500's and 2500's.
 
Most of the van parts are left overs from previous year truck builds. The vans get the left over stuff.
 
The 04 express awd, I just referenced is almost done......I put on larger combustion chamber heads, a mls head gasket, head studs, a z06 vette cam, a cummins intercooler, and ballbearing pt 72 turbo. It should make in the middle 500awh area soon.
#607 of 618
Re: 2008/2009 Chevy Express [gmjohn] by daddio_bartman
Apr 07, 2009 (1:34 pm)
Reply

Replying to: gmjohn (Jan 18, 2009 6:59 pm)

2005 AWD Express Explorer Conversion with Tow package, 5.3L AWD.
 
I tow a 30ft I/O Pontoon most weekends May thru September, 25 to 30 miles each way. You really know it is there mostly at 50MPH+. From a stop you hardly notice. When I first tested a similar tow vehicle it had a 5.7L and was much better at the 50MPH+ speeds. Start/Stops were equal.
 
Hope that helps.

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