General technical discussion and troubleshooting
3 Replies
24 Views
Last post by MountainManJoe
Sat Mar 29, 2025 3:41 pm
3 speed vs 4 speed transmission
Replies: 2
by
fddi73 »
Tue Mar 25, 2025 9:06 am
Hello,
I have the 1983 G20 van with 3 speed transmission with 305 engine.
Is the 4-speed transmission better for gas saving, and does it allow higher...
2 Replies
47 Views
Last post by augidog
Wed Mar 26, 2025 4:41 pm
1983 Chevy G20 side mirror
by
fddi73 »
Sun Mar 23, 2025 11:00 pm
Hello,
I want to replace the right side mirror (not the whole thing just the mirror glass).
How can I Remove the old one?
thanks a lot.
0 Replies
19 Views
Last post by fddi73
Sun Mar 23, 2025 11:00 pm
Blend Door Actuator Location
Replies: 1
by
E2online »
Fri Feb 28, 2025 8:26 am
1995 gmc g2500 vandura blend door actuator location? I think mine needs replaced! I only get heat out of my defroster and can't switch vents.
1 Replies
265 Views
Last post by MountainManJoe
Fri Feb 28, 2025 12:19 pm
is G van 4WD conversion possible
Replies: 3
by
markinnh »
Fri Feb 14, 2025 3:32 pm
I was just curious if the AWD frame from another van would fit on the older G vans to make it a 4x4 or AWD? LIke maybe the front frame welded to the...
3 Replies
232 Views
Last post by WoodButcher
Fri Feb 21, 2025 6:00 pm
1995 G30 Windshield gasket
Replies: 1
by
BIGFOOT17 »
Wed Feb 12, 2025 4:52 pm
The 95 G30 I bought has rust in the lower corner by the windshield. I plan on having the windshield removed so I can fix that spot. And I'm sure I'll...
1 Replies
114 Views
Last post by WoodButcher
Fri Feb 14, 2025 3:31 pm
AC Climate Control Conversion
Replies: 1
by
E2online »
Thu Feb 13, 2025 7:10 am
My heat doesnt' seem to work, or should I say blow. I can feel warmth. We've tried several climate control modules. Where can I a. get a new one or...
1 Replies
135 Views
Last post by MountainManJoe
Thu Feb 13, 2025 9:38 pm
1995 G30 Cruise/wiper stalk
by
BIGFOOT17 »
Wed Feb 12, 2025 4:45 pm
The stalk for my multi function switch needs to be replaced. When I look up replacements ,there is one for almost $200. But for a 1994, I see them...
0 Replies
150 Views
Last post by BIGFOOT17
Wed Feb 12, 2025 4:45 pm
1 Replies
267 Views
Last post by MountainManJoe
Fri Jan 03, 2025 11:16 pm
Oil Pressure Gauge and Sensor(s)
Replies: 3
by
GeoMotive »
Sun Dec 22, 2024 9:33 pm
Hi all,
I took my '89 G20 to a local shop for installation of a new engine and transmission as part of my planned full restoration of the van, which...
3 Replies
409 Views
Last post by GeoMotive
Tue Dec 24, 2024 2:32 pm
8 Replies
2304 Views
Last post by MountainManJoe
Sun Dec 01, 2024 12:26 pm
No heat!
Replies: 3
by
Mr3eefy »
Tue Oct 29, 2024 5:51 am
Hey y’all,
My heat recently stopped working in my van.
(1995 g2500)
The heat stopped and then it’s like the vent to outside is stuck open and I’m...
3 Replies
478 Views
Last post by MountainManJoe
Wed Nov 06, 2024 7:31 pm
Speedo eratic over 65 mph
Replies: 1
by
Brycecarnold1979 »
Sat Nov 02, 2024 11:52 am
Hey everyone,
I have a 88 gmc g20 rally stx with a 305. The issue i have is the speedo is decent between 0 and 65 but after 65 it just pegs all the...
1 Replies
309 Views
Last post by MountainManJoe
Sat Nov 02, 2024 2:03 pm
3 Replies
349 Views
Last post by MountainManJoe
Sat Nov 02, 2024 9:33 am
1992 G20 - frozen belt tensioner
Replies: 6
by
Erhard »
Sun Oct 27, 2024 1:42 pm
Hi folks, new here and probably a rookie question> I need to swap the alternator and for that I need to get the serpentine belt off. However, I can...
6 Replies
539 Views
Last post by Erhard
Mon Oct 28, 2024 1:27 pm
Radiators!
by
BHBVan »
Fri Oct 25, 2024 5:45 am
Our 1990 Vandura rehabilitation is going well. Been tolerating minor rad leaks but finally getting to that. While shroud was out went ahead and did...
0 Replies
334 Views
Last post by BHBVan
Fri Oct 25, 2024 5:45 am
Harmonic Balancer
Replies: 1
by
BHBVan »
Mon Oct 21, 2024 5:40 am
Some of us rely on blogs to diagnose issues. Also talked to three mechanics and nobody mentioned this. My 1990 Vandura has been vibrating since we...
1 Replies
296 Views
Last post by sixsix
Mon Oct 21, 2024 2:09 pm
ABS tone ring for front rotors
Replies: 4
by
Gmanflying »
Fri Nov 17, 2023 8:34 pm
Hello, I bought new front rotors for my 1993 G20 van. The new rotors did not come with the ABS tone rings. Does anyone know the part number or where...
4 Replies
865 Views
Last post by MountainManJoe
Thu Oct 17, 2024 8:30 pm
No crank
Replies: 5
by
Mr3eefy »
Tue Sep 24, 2024 8:14 pm
When I turn the key in ignition, accessories do not turn on, no lights. Lights will not turn on at all when car off and usually they would. When I...
5 Replies
562 Views
Last post by slantflat
Sat Sep 28, 2024 3:57 pm
Broken Hood Cable
Replies: 6
by
slantflat »
Wed Apr 24, 2024 5:01 am
Hi everyone.
New guy here, have a 90 G20 Beauville. The hood release cable has broken and I need to get under the hood. Doesn't seem like there is...
6 Replies
1090 Views
Last post by Mr3eefy
Tue Sep 24, 2024 8:16 pm
7 Replies
789 Views
Last post by LamboCaribbean
Sun Sep 15, 2024 3:02 pm
Rear Disc Brakes
Replies: 1
by
slantflat »
Wed Jul 24, 2024 2:26 pm
Hi everyone.
My van has never had terrific brakes, and I was thinking that maybe rear discs would help it out. It's a 90 G20. Did the later vans...
1 Replies
582 Views
Last post by WoodButcher
Sat Jul 27, 2024 8:54 am
7 Replies
765 Views
Last post by MountainManJoe
Sat Jul 20, 2024 10:02 pm
ls swap into a 88 g10 van
Replies: 14
by
Leggman »
Wed Jul 03, 2024 2:10 am
Coming along on my swap but I am wanting to eliminate the factory computer from the 88 that sits under the drivers side seat.
Can I just remove it...
14 Replies
1210 Views
Last post by MountainManJoe
Tue Jul 16, 2024 11:14 pm
Motor Mounts 1990 Vandura
Replies: 2
by
BHBVan »
Mon May 06, 2024 2:53 pm
It appears motor mounts may be fairly easy to replace on my 1990 5.7. Any feedback much appreciated. Also, looks like its either OEM at $100 each, or...
2 Replies
783 Views
Last post by BHBVan
Mon Jun 10, 2024 11:54 am
Window switch wiring
Replies: 1
by
Vandurable »
Sat Jun 08, 2024 7:28 am
Does anyone happen to know if it's possible to use a wire to jump any connections on the window switches to get them to operate? Both of my actual...
1 Replies
371 Views
Last post by MountainManJoe
Sat Jun 08, 2024 1:28 pm
Name that sensor! Need quick help
Replies: 1
by
Vandurable »
Sat May 04, 2024 1:39 pm
Was buttoning up adding some hose clamps to my vacuum lines earlier and noticed the sensor in the picture and I'm assuming the vacuum line connected...
1 Replies
580 Views
Last post by MountainManJoe
Sat May 04, 2024 6:04 pm
21 Replies
3406 Views
Last post by MountainManJoe
Wed May 01, 2024 1:23 pm
Fuel pump swap, need some help
Replies: 1
by
Vandurable »
Wed May 01, 2024 10:10 am
I have my tank sitting on the ground, waiting for the new pump to go in. All my fuel lines are disconnected but I noticed the harness has 3 wires...
1 Replies
528 Views
Last post by MountainManJoe
Wed May 01, 2024 11:23 am
Tank Drop
Replies: 9
by
BHBVan »
Sun Apr 07, 2024 6:05 am
1990 Vandura. About to drop tank for fuel pump, I think. Any tips? I'm experienced with wrenching but kinda hesitant and considering just letting my...
9 Replies
1262 Views
Last post by WoodButcher
Mon Apr 29, 2024 4:22 pm
Where do I find parts for 1995 G2500
Replies: 7
by
LittleGiant »
Mon Apr 10, 2023 11:51 pm
I am very close to completing the gutting of my 1995 GMC G2500 Vandura. I'm starting to put a few things together now while I finish the last little...
7 Replies
1594 Views
Last post by BHBVan
Sun Apr 28, 2024 8:20 am
G van engine swap and wiring.
Replies: 3
by
Martmah »
Wed Apr 17, 2024 1:08 am
Hello fellow g vanners. I have 89 g30 starcraft with a 6.2 and th400. I also aquired 93 g30 starcraft with a 6.2 and 4l60 for parts since the body is...
3 Replies
743 Views
Last post by WoodButcher
Sat Apr 20, 2024 5:02 am
Headlights
Replies: 1
by
ADepp »
Mon Mar 04, 2024 8:41 am
:usa:
Does the '96 G30 Beauville w/ quad headlights have sealed beams? Or does it use an adapter plate with some type of h4 bulb with a 900 series...
1 Replies
627 Views
Last post by WoodButcher
Tue Mar 05, 2024 6:12 am
Weatherstripping for the BIG side windows?
Replies: 7
by
Dobbie »
Sun Feb 18, 2024 2:45 pm
Hi - I'm at a loss as to what to call these big side windows (see attached pic). But I'm also at a loss as to where to find the weatherstripping for...
7 Replies
900 Views
Last post by WoodButcher
Sun Feb 25, 2024 2:26 pm
Wiper goin haywire
Replies: 4
by
Sshrum »
Mon Jan 08, 2024 5:23 pm
My 79 shorty all of sudden the wipers goin nuts. Has anyone had issues with the wipers not functioning correctly? Mine won’t work at all on low...
4 Replies
1107 Views
Last post by WoodButcher
Sat Feb 24, 2024 1:06 pm
2 Replies
984 Views
Last post by Dobbie
Fri Feb 23, 2024 4:33 pm
Shifting issue automatic tranny
Replies: 2
by
Prairiewoman068 »
Mon Dec 18, 2023 10:22 am
1990 gmc vandura 2500, odometer was frozen when we bought it. It looks like someone has pushed the trip odo reset, and it didn't quite get to zero....
2 Replies
1716 Views
Last post by Bret Schmerker
Wed Dec 20, 2023 6:14 pm
ABS code 86
Replies: 3
by
Gmanflying »
Sun Nov 12, 2023 1:05 pm
Hello,
I have a 1993 Chevy G20 Van with ABS Code 86 (a short in the anti-lock warning lamp). Any suggestion of how to fix this?
Thanks
3 Replies
876 Views
Last post by MountainManJoe
Sun Nov 12, 2023 6:38 pm
Busted Captain Seat
Replies: 3
by
mikesc »
Thu Nov 09, 2023 10:54 am
I have 1986 G-20 Royal conversion. Second row captain's seat is busted. It just falls back like the locking mechanism is broken. Is there a fix for...
3 Replies
999 Views
Last post by MountainManJoe
Thu Nov 09, 2023 6:51 pm
No power to dash or ignition.
Replies: 5
by
PsyRally »
Tue Jun 27, 2023 4:32 am
Hello all new to the forum. Picked up a1981 GMC RallySTX with a camper high top. Gutted the mouldy shag to prepare for a camper re do! Went out to...
5 Replies
1254 Views
Last post by MountainManJoe
Wed Jun 28, 2023 12:56 pm
1985 G30 ALCL/ALDL Location
Replies: 1
by
hewilson2 »
Tue Jun 06, 2023 1:58 pm
According to my Haynes Manual and also the Chevy Shop Manual, the ALCL/ALDL OBD1 port should be under the dash beneath the instrument cluster. But I...
1 Replies
814 Views
Last post by MountainManJoe
Thu Jun 08, 2023 7:14 pm
Chevy G30 1995 Reverse Signal
Replies: 2
by
mrt638 »
Sat Jun 04, 2022 5:36 pm
Hello everyone!
I'm currently installing a reverse camera (and a whole new audio system). I was curious if anyone knew the location and color of the...
2 Replies
910 Views
Last post by LittleGiant
Wed Apr 12, 2023 9:20 pm
Instrument Cluster
Replies: 3
by
hewilson2 »
Fri Feb 17, 2023 9:45 am
I recently purchased and installed a restored instrument cluster - said to be compatible with '83 through '86 - for my '85 G30. The temp gauge was...
3 Replies
868 Views
Last post by MountainManJoe
Sat Feb 18, 2023 3:22 pm
1 Replies
917 Views
Last post by MountainManJoe
Mon Dec 26, 2022 8:01 pm
Where do I find a wiring harness
Replies: 7
by
LittleGiant »
Thu Dec 08, 2022 10:25 pm
79CB06CF-260D-4BD2-9ED8-D7AD327D3782.jpeg So I made a massive error the other day. While ripping out all the wiring for the old speaker system I got...
7 Replies
1612 Views
Last post by MountainManJoe
Sat Dec 24, 2022 10:00 pm
0 Replies
1472 Views
Last post by MountainManJoe
Sat Oct 29, 2022 12:26 pm
5 Replies
1485 Views
Last post by WoodButcher
Thu Oct 20, 2022 9:22 am
GM Parts
Replies: 1
by
LittleGiant »
Fri Sep 30, 2022 1:10 am
I’ve tried several different websites. Rockauto is typically first go to, but there are others. I absolutely cannot find a place that sells a coolant...
1 Replies
732 Views
Last post by WoodButcher
Fri Sep 30, 2022 7:29 am
1995 G2500 Headlight malfunction
Replies: 3
by
LittleGiant »
Wed Sep 28, 2022 12:42 am
I just purchased a 1995 GMC G2500 Vandura Explorer. For some reason the headlights don't work, but the brights do. Any ideas? I've tried to find a...
3 Replies
895 Views
Last post by MountainManJoe
Thu Sep 29, 2022 6:14 am
Dexcool - keep or flush and swap?
Replies: 1
by
LittleGiant »
Wed Sep 28, 2022 12:57 am
The van I just purchased has dexcool in it. The reservoir is a disgusting mess because I'm told it common for them to look like brown rust. I would...
1 Replies
729 Views
Last post by MountainManJoe
Wed Sep 28, 2022 6:15 am
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