Chevrolet Express, GMC Savana (1996 - Present)

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Express & Savana - General
General technical discussion and troubleshooting
Topics: 46

46 Topics

172 Posts

Last post Re: Rough idle and gas smell …
by MountainManJoe View the latest post
Tue Sep 17, 2024 6:51 pm
Body
Subforum: Lighting
Topics: 10

10 Topics

44 Posts

Last post Re: How is the blower motor c…
by VTP99 View the latest post
Wed Aug 28, 2024 3:45 am
Towing and Hauling
Working vans. Towing (and being towed), boats, trailers, hitches, roof racks, storage shelves, etc.
Topics: 1

1 Topics

1 Posts

Last post 2002 Towing Specs
by MountainManJoe View the latest post
Tue Dec 06, 2022 12:02 am

Active topics

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Last post

Sticky Specifications

Last post by MountainManJoe « Mon Mar 15, 2021 2:45 pm
Replies: 1
by MountainManJoe » Mon Mar 15, 2021 2:35 pm

Specifications and data for various van models

(Find owner's manuals, electrical manuals and other publications in the file Files menu.

1 Replies

4070 Views

Last post by MountainManJoe
Mon Mar 15, 2021 2:45 pm
Rough idle and gas smell - Express 3500

Last post by MountainManJoe « Tue Sep 17, 2024 6:51 pm
Replies: 3
by devhill » Mon Sep 16, 2024 6:38 pm

Hello everyone

I just got a Chevy Express 2003 3500 6.0. It was sitting for a long time and i got it in exhange for a job. I did an oil and fluid...

3 Replies

43 Views

Last post by MountainManJoe
Tue Sep 17, 2024 6:51 pm
Battery current sensor

Last post by sixsix « Mon Sep 16, 2024 3:10 pm
Replies: 2
by JSteps » Sun Sep 08, 2024 2:46 pm

Battery when the engine is off is at 12 volts when the engine is running I’m at 13.8 volts. The belt is turning the alternator. No slack no noise...

2 Replies

64 Views

Last post by sixsix
Mon Sep 16, 2024 3:10 pm
What is this hose ?

Last post by Zimmermy « Wed Sep 04, 2024 9:58 am
Replies: 5
by Zimmermy » Tue Sep 03, 2024 7:14 pm

Hello - I have a Chevy express 3500 4.8L V8 year 2009. I'm wondering what this hose is? One end is connected under the radiator cap and the other end...

5 Replies

78 Views

Last post by Zimmermy
Wed Sep 04, 2024 9:58 am
No speedo abs on

Last post by MountainManJoe « Wed Aug 28, 2024 1:33 pm
Replies: 12
by Goodtin » Fri Jul 12, 2024 3:31 pm

I have a 1998 express 1500 the speedo doubles abs light is on no codes . I think it a ground problem where do I start? I have a stock 4 vol manual ,...

12 Replies

271 Views

Last post by MountainManJoe
Wed Aug 28, 2024 1:33 pm
How is the blower motor connected

Last post by VTP99 « Wed Aug 28, 2024 3:45 am
Replies: 10
by VTP99 » Thu Aug 22, 2024 6:43 am

04 Chevy Express 1500

Can someone please assist me with a blower motor electrical diagram.
Specifically the Orange wire from the resistor block.
I...

10 Replies

229 Views

Last post by VTP99
Wed Aug 28, 2024 3:45 am
2004 Body electrical

Last post by MountainManJoe « Tue Aug 27, 2024 10:50 pm
Replies: 2
by MountainManJoe » Tue Aug 22, 2023 9:49 pm

2004 Chevrolet Express/GMC Savana body electrical info

2 Replies

3085 Views

Last post by MountainManJoe
Tue Aug 27, 2024 10:50 pm
AWD Transmission Saga. Help Please

Last post by MountainManJoe « Wed Aug 07, 2024 4:35 pm
Replies: 5
by Sammyc151 » Tue Aug 06, 2024 10:59 pm

I have a 2011 Express 1500 AWD with 150k miles. It has been through 3 transmissions in 4-5 years. It has been to 3 different shops, and no one has...

5 Replies

123 Views

Last post by MountainManJoe
Wed Aug 07, 2024 4:35 pm
Blend door/damper locations, 2014 Express

Last post by Dailydriver14 « Thu Jul 25, 2024 6:17 am
Replies: 5
by Dailydriver14 » Tue Jul 23, 2024 7:25 pm

I'm having an on going issue with ac not getting as cold as it should. When the heater core lines are restricted(totally different discussion), the...

5 Replies

192 Views

Last post by Dailydriver14
Thu Jul 25, 2024 6:17 am
2002 5.7 conversion van misfire helppppp

Last post by MountainManJoe « Sat Jul 20, 2024 10:05 pm
Replies: 2
by 2002conversionblue » Sat Jul 20, 2024 9:27 am

Hey guys I have a 2002 5.7 express conversion van I keep getting a misfire code
I changed the cap and rotor
plugs are new
coil is 3 years old

after...

2 Replies

109 Views

Last post by MountainManJoe
Sat Jul 20, 2024 10:05 pm
Always on cigarette lighter to ignition only on

Last post by MountainManJoe « Thu Jul 18, 2024 12:01 am
Replies: 1
by bambo » Wed Jul 17, 2024 11:22 pm

Hello,
I'd like to have my cigarette lighters on only when the vehicle is on as to not accidently leave something plugged in and discharge my starter...

1 Replies

137 Views

Last post by MountainManJoe
Thu Jul 18, 2024 12:01 am
White Cap Obstruction in Filler Neck

Last post by MountainManJoe « Tue Jul 09, 2024 5:52 pm
Replies: 6
by SamSmurf » Wed Jul 03, 2024 1:51 pm

Hi, I have a 2021 Motorhome on a Chevy express van 3500 dually chassis with 6.6L engine and 30 gallon fuel tank

I've always had issues filling up...

6 Replies

194 Views

Last post by MountainManJoe
Tue Jul 09, 2024 5:52 pm
Pedal adjustments?

Last post by MountainManJoe « Sun Jun 30, 2024 12:01 pm
Replies: 5
by bambo » Fri Jun 28, 2024 11:59 am

Howdy. 2014 Express 1500 5.3
Very annoyed that my little mazda 3 hatchback has more leg room than my van. Is there any way to adjust the pedals to be...

5 Replies

209 Views

Last post by MountainManJoe
Sun Jun 30, 2024 12:01 pm
No Speedometer, no Shift indicator, no reverse lights

Last post by MountainManJoe « Thu Jun 20, 2024 1:39 pm
Replies: 1
by GreyManVan » Thu Jun 20, 2024 10:54 am

Hey guys I am new and REALLY stuck, I have a safety inspection coming up to get my van on the road but now for some strange reason I lost
my;
- NO...

1 Replies

129 Views

Last post by MountainManJoe
Thu Jun 20, 2024 1:39 pm
2012 2500 chevy express with access package

Last post by MountainManJoe « Sat Jun 15, 2024 2:31 pm
Replies: 1
by Devildog63 » Sat Jun 15, 2024 9:48 am

I have a chevy 2500 express 2012 with the access package . The access package is the rear side panels open up and each panel has a fluorescent strip...

1 Replies

214 Views

Last post by MountainManJoe
Sat Jun 15, 2024 2:31 pm
Adding windows to express cargo

Last post by MountainManJoe « Mon May 27, 2024 3:29 pm
Replies: 3
by bambo » Mon May 27, 2024 3:44 am

Howdy. I've been wanting to buy a chevy express cargo van and I've passed up a few only because they didn't have rear and side windows. So now I'm...

3 Replies

490 Views

Last post by MountainManJoe
Mon May 27, 2024 3:29 pm
Instrument cluster lights and gauges go on and off while driving

Last post by MountainManJoe « Mon May 27, 2024 12:57 pm
Replies: 1
by Bgrahovac » Mon May 27, 2024 6:32 am

Hello all, new here and have an issue I need help with. Maybe someone has experienced this as well...

2005 Express 2500 6.0 gas engine. Yesterday...

1 Replies

348 Views

Last post by MountainManJoe
Mon May 27, 2024 12:57 pm
2006 4.8l replacement

Last post by MountainManJoe « Wed May 22, 2024 6:34 pm
Replies: 1
by 4mal » Wed May 22, 2024 1:30 pm

I think my block is probably toast. Savana 2500with 4.8 and 185 k on the cloxk. Tranny rebuild at 150. Yesterdy at about 55mph, the Engime Reduced...

1 Replies

322 Views

Last post by MountainManJoe
Wed May 22, 2024 6:34 pm
Injector pump/injectors

Last post by MountainManJoe « Thu May 02, 2024 9:20 am
Replies: 3
by Biggbass1014 » Sun Apr 28, 2024 5:52 am

Newbe here, thanks for having me.
I have a 2000 savana 2500 6.5 diesil. My problem is I parked my van after driving all day without any issues since...

3 Replies

469 Views

Last post by MountainManJoe
Thu May 02, 2024 9:20 am
2024 steering wheel audio controls

Last post by MountainManJoe « Sat Apr 06, 2024 8:57 pm
Replies: 5
by urwuis » Fri Apr 05, 2024 6:44 pm

TIA! Anyone out there update a 2024 Express to steering wheel controls? i realize Ill need a new head unit and wheel.

5 Replies

666 Views

Last post by MountainManJoe
Sat Apr 06, 2024 8:57 pm
Is an 01 windshield compatible with an 05 express?

Last post by MishomiWolf « Sat Apr 06, 2024 1:13 pm
Replies: 2
by MishomiWolf » Sat Apr 06, 2024 11:55 am

Hi,

I have an 05 express and have available a good 01 windshield. Are they the same shape and compatible? I'm not so concerned with trim, just...

2 Replies

386 Views

Last post by MishomiWolf
Sat Apr 06, 2024 1:13 pm
2005 AWD Savana with broken transfer case

Last post by MountainManJoe « Mon Apr 01, 2024 6:09 pm
Replies: 6
by redguy34 » Sat Mar 30, 2024 4:57 pm

Hello all,

We have A 2005 AWD Savana at our house with A busted transfer case as the subject says. It broke about 3 years ago sitting since then....

6 Replies

624 Views

Last post by MountainManJoe
Mon Apr 01, 2024 6:09 pm
Remote Key fob help

Last post by MountainManJoe « Mon Apr 01, 2024 6:01 pm
Replies: 1
by Tammy54 » Mon Apr 01, 2024 5:37 pm

I have a 2023 Chevy express 2500 that did not come with a remote key fob. It is the most basic van you can buy so is it possible to add an...

1 Replies

351 Views

Last post by MountainManJoe
Mon Apr 01, 2024 6:01 pm
Intermittent misfire.

Last post by MountainManJoe « Thu Feb 22, 2024 8:23 pm
Replies: 1
by Gusthebus » Thu Feb 22, 2024 4:51 pm

Didn’t want to high jack the “misfire” post so I will start this one .
I have a 2003 Express with a 6l engine and 156000km on the clock.

When I...

1 Replies

433 Views

Last post by MountainManJoe
Thu Feb 22, 2024 8:23 pm
Rear end swap

Last post by MountainManJoe « Mon Feb 12, 2024 2:36 pm
Replies: 1
by Jwest290 » Mon Feb 12, 2024 1:32 pm

I have a 02 savana 3500 with drum brakes will a rear end out of a 04 express 350 with disk brakes fit in the 02 savana. As in a direct bolt on swap.

1 Replies

386 Views

Last post by MountainManJoe
Mon Feb 12, 2024 2:36 pm
How do I fix misfiring

Last post by MountainManJoe « Sat Feb 03, 2024 2:49 pm
Replies: 3
by Ericwest » Fri Feb 02, 2024 1:10 pm

Hello everyone! I just bought a used express and could really use some advice. I have an engine code for random misfire. The van has been sitting for...

3 Replies

555 Views

Last post by MountainManJoe
Sat Feb 03, 2024 2:49 pm
Which oil should I use

Last post by MountainManJoe « Sat Feb 03, 2024 2:42 pm
Replies: 3
by Ericwest » Fri Feb 02, 2024 1:10 pm

Hello everyone! I just bought a used express and could really use some advice. I know it has 5/30 viscosity oil. But do I use conventional or...

3 Replies

745 Views

Last post by MountainManJoe
Sat Feb 03, 2024 2:42 pm
Advice on buying a Chevy Express

Last post by MountainManJoe « Wed Jan 31, 2024 12:56 pm
Replies: 5
by KuxW04 » Thu Jun 23, 2022 8:36 pm

Hello everybody, new to the community.

I am a few years away from retirement and looking to buy a Chevy Express (or GMC Sanana) cargo van and make...

5 Replies

3382 Views

Last post by MountainManJoe
Wed Jan 31, 2024 12:56 pm
2008 Express key fob relearn

Last post by MountainManJoe « Mon Jan 29, 2024 5:18 pm
Replies: 3
by allisd17 » Mon Jan 29, 2024 3:37 pm

Will not enter relearn menu. Any thoughts?

3 Replies

621 Views

Last post by MountainManJoe
Mon Jan 29, 2024 5:18 pm
Does the L96 V8 have AFM?

Last post by MountainManJoe « Tue Jan 02, 2024 8:08 am
Replies: 3
by Barbixy » Mon Jan 01, 2024 8:04 pm

Hello everyone,
A shop recently told me I have common problem of worn cam lobes and/or lifter rollers due to the AFM design on my 2018 Express cargo...

3 Replies

2162 Views

Last post by MountainManJoe
Tue Jan 02, 2024 8:08 am
Hi Guys newbie here needs help

Last post by Bret Schmerker « Wed Dec 20, 2023 6:02 pm
Replies: 2
by aliaj00 » Mon Dec 04, 2023 1:27 pm

Hi Guys,

I want to gift my brother a gmc Savana, but so far for my money I have only found cargo vans with right side door window and no second raw...

2 Replies

4567 Views

Last post by Bret Schmerker
Wed Dec 20, 2023 6:02 pm
Anyone ever seen a body like this? Even the rear doors go up to the top

Last post by Bret Schmerker « Wed Dec 20, 2023 5:59 pm
Replies: 4
by MrGilmoreJr » Tue Nov 14, 2023 7:45 am

4 Replies

4097 Views

Last post by Bret Schmerker
Wed Dec 20, 2023 5:59 pm
Small renovation to rear body

Last post by MountainManJoe « Tue Dec 05, 2023 3:42 pm
Replies: 10
by MountainManJoe » Wed Mar 17, 2021 8:01 pm

Once in a while I like to clean behind the trim at the back of my van. Here on the wet coast, things get really mildewy, and I start to get dark...

10 Replies

5647 Views

Last post by MountainManJoe
Tue Dec 05, 2023 3:42 pm
2009 Express, Savana engine controls - fuel

Last post by MountainManJoe « Mon Dec 04, 2023 3:19 pm
Replies: 1
by MountainManJoe » Mon Dec 04, 2023 3:02 pm

2009 Chevcrolet Express, GMC Savana - Engine controls - Fuel

Frame
frame.png

Fuel Rail Pressure (FRP) Sensor
( 4.8L, 5.3L, 6.0L, 6.2L, or...

1 Replies

3414 Views

Last post by MountainManJoe
Mon Dec 04, 2023 3:19 pm
2006 Express / Savana electrical - Body - HVAC

Last post by MountainManJoe « Mon Nov 20, 2023 5:17 pm
Replies: 4
by MountainManJoe » Tue Oct 24, 2023 1:15 pm

2006 Chevrolet Express, GMC Savana
Body - HVAC - Electrical

4 Replies

4105 Views

Last post by MountainManJoe
Mon Nov 20, 2023 5:17 pm
2009 Express, Savana electrical - Power Distribution

Last post by MountainManJoe « Thu Oct 12, 2023 3:54 pm
Replies: 1
by MountainManJoe » Thu Oct 12, 2023 3:47 pm

2009 Chevrolet Express, GMC Savana
Wiring Systems

1 Replies

3315 Views

Last post by MountainManJoe
Thu Oct 12, 2023 3:54 pm
2004 Express/Savana engine electrical

Last post by MountainManJoe « Mon Oct 02, 2023 4:41 pm
Replies: 1
by MountainManJoe » Mon Oct 02, 2023 4:40 pm

2004 Chevrolet Express, GMC Savana
Engine electrical schematics and diagrams

1 Replies

3501 Views

Last post by MountainManJoe
Mon Oct 02, 2023 4:41 pm
Interior lighting schematics

Last post by MountainManJoe « Mon Jun 19, 2023 2:46 pm
Replies: 1
by MountainManJoe » Mon Jun 19, 2023 2:46 pm

Chevrolet Express / GMC Savana
Interior Lighting

1 Replies

3477 Views

Last post by MountainManJoe
Mon Jun 19, 2023 2:46 pm
Savanna air conditioner

Last post by MountainManJoe « Thu Jun 08, 2023 7:03 pm
Replies: 1
by BO44 » Tue Jun 06, 2023 7:01 pm

Got a 2012 GMC Savanna 2500.Recently the ac started not blowing out the vents going up sloped roads or hills but once I am back on leveled road it...

1 Replies

3267 Views

Last post by MountainManJoe
Thu Jun 08, 2023 7:03 pm
2001 chevy express 3500 starter issues

Last post by MountainManJoe « Mon May 15, 2023 7:54 pm
Replies: 1
by pft4rq » Mon May 15, 2023 6:40 pm

I have a express 3500 van thathas gone through 3 starters in 7 months. I mostly buy on line with all the info and install starter. It cranks and...

1 Replies

3130 Views

Last post by MountainManJoe
Mon May 15, 2023 7:54 pm
Express losing steering fluid

Last post by MountainManJoe « Fri May 12, 2023 12:08 pm
Replies: 1
by Bobruno » Fri May 12, 2023 7:25 am

I have a 2005 Express G1500. I'm currently filling the steering fluid reservoir with Lucas steering leak fix every time I drive it. It's leaking that...

1 Replies

3207 Views

Last post by MountainManJoe
Fri May 12, 2023 12:08 pm
2003 Express / Savana electrical - wiring systems - Power Distribution

Last post by MountainManJoe « Sat Apr 22, 2023 4:16 pm
Replies: 1
by MountainManJoe » Sat Apr 22, 2023 4:13 pm

2003 Express / Savana Underhood Fuse Block

uhfb.gif

(1) Fuse Block Underhood - C7
(2) Fuse Block Underhood - C5
(3) Fuse Block Underhood - C6
(4)...

1 Replies

3941 Views

Last post by MountainManJoe
Sat Apr 22, 2023 4:16 pm
2002 Towing Specs

Last post by MountainManJoe « Tue Dec 06, 2022 12:02 am

by MountainManJoe » Tue Dec 06, 2022 12:02 am

2002 GM Trailering Guide brochure (excerpts)

Van trailering specifications.

Towing Capacities

tow capacity.png

Express/Savana GCWR...

0 Replies

4105 Views

Last post by MountainManJoe
Tue Dec 06, 2022 12:02 am
PCV tube and vent hose replacement - 6.0L 2004-07

Last post by MountainManJoe « Thu Oct 13, 2022 4:17 pm

by MountainManJoe » Thu Oct 13, 2022 4:17 pm

Application: 2004-2007 Express,Savana 2500 & 3500
Generation III Vortec 6000 Engine, RPO 'LQ4', VIN 'U'

The PCV system should be checked or...

0 Replies

4367 Views

Last post by MountainManJoe
Thu Oct 13, 2022 4:17 pm
How do I fix random misfire

Last post by MountainManJoe « Sat Sep 17, 2022 8:59 pm
Replies: 5
by jimmy125jr » Mon Sep 05, 2022 6:24 pm

I have a check engine light on and has been on a long as I've owned the truck. The guy said it was because of bad dash board which does have...

5 Replies

3725 Views

Last post by MountainManJoe
Sat Sep 17, 2022 8:59 pm
Differences between '04 and '09

Last post by MountainManJoe « Thu Jul 07, 2022 9:08 pm
Replies: 1
by Muuarren » Thu Jul 07, 2022 4:46 pm

I have been driving a 2004 Savana 3500 and have recently acquired a 2009 Express 3500, both 10' cubes, 6.0l and SRW.

Just wondering what parts will...

1 Replies

3197 Views

Last post by MountainManJoe
Thu Jul 07, 2022 9:08 pm
'03 Savana 3500 ABS light and code

Last post by MountainManJoe « Wed Jun 08, 2022 8:25 pm
Replies: 7
by toonz » Thu May 26, 2022 1:55 pm

Bought an '03 Savana 3500 cargo van a couple of years back with a newly installed reman 6.0L gas engine. Van had a lot of things that pointed to an...

7 Replies

3595 Views

Last post by MountainManJoe
Wed Jun 08, 2022 8:25 pm
Fuel Injection electrical schematics

Last post by MountainManJoe « Fri May 20, 2022 5:26 pm

by MountainManJoe » Fri May 20, 2022 5:26 pm

2010 V8 Engine EFI

0 Replies

3468 Views

Last post by MountainManJoe
Fri May 20, 2022 5:26 pm
Locked 2004 Express - turn signal troubleshooting

Last post by MountainManJoe « Sat Mar 19, 2022 2:46 pm
Replies: 1
by MountainManJoe » Sat Mar 19, 2022 2:41 pm

Turn Signal/Hazard Lamps

The IGN E 10 A fuse in the underhood fuse block supplies battery positive voltage to the turn signal switch assembly....

1 Replies

2604 Views

Last post by MountainManJoe
Sat Mar 19, 2022 2:46 pm
Transmission is failing

Last post by MountainManJoe « Fri Mar 18, 2022 9:36 pm
Replies: 2
by MountainManJoe » Wed Feb 23, 2022 6:44 pm

I've got a 2013 Savana 1500 AWD with only 87,000 km (54,000 mi).
Vortec 5.3L with 4L60e

The transmission slips a lot. Low speed, high speed ......

2 Replies

3254 Views

Last post by MountainManJoe
Fri Mar 18, 2022 9:36 pm

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Chevrolet Express, GMC Savana (1996 - Present)