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TRANSMISSION
ANYTHING RELATED TO MANUAL OR AUTO TRANSMISSIONS GOES HERE.
Topics: 192

192 Topics

2111 Posts

Last post Re: 4L60-E General Motors yea…
by Austinkempwv99 View the latest post
Sun Dec 08, 2024 7:40 pm
TRANSFER CASE
FROM AWD'S TO 2-SPEED MANUAL SHIFT, IF IT LINKS THE REAR AXLE TO THE FRONT AXLE, POST IT HERE.
Topics: 95

95 Topics

1382 Posts

Last post Re: How to wire up a NP 236 i…
by Roadstar01 View the latest post
Tue Aug 27, 2024 8:53 pm
REAR AXLE / DRIVE SHAFT
IF YOU HAVE QUESTIONS ON THE REAR DRIVE SHAFT OR AXLE, IT GOES HERE.
Topics: 87

87 Topics

990 Posts

Last post Re: Differential gear ratios
by Bret Schmerker View the latest post
Wed Aug 03, 2022 9:58 pm
FRONT AXLE / DRIVE AND CV SHAFTS
THIS FORUM IS FOR ANY QUESTIONS ON THE 7.25" IFS FRONT DIFF, CV HALF SHAFTS AND FRONT DRIVE SHAFT.
Topics: 65

65 Topics

543 Posts

Last post Re: Detroit Axle hubs
by Captn. Crunch View the latest post
Fri Jan 22, 2021 10:41 am
Axle swap
Topics: 18

18 Topics

293 Posts

Last post Solid-solid/rack-and-pinion c…
by Bret Schmerker View the latest post
Sat Apr 24, 2021 6:43 pm

New Topic

255 topics

Topics

Replies

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Last post

Sticky Speedo/DRAC recalibration

Last post by MountainManJoe « Thu Dec 30, 2010 7:09 pm
Replies: 8
by BLAZER » Sun Sep 24, 2006 9:38 am

Bill, make this a sticky!!!!

Originally post on AS.com

Posted by Lockdoc on May 15 2006,3:31
Here is some of the info I used to recalibrate my...

8 Replies

26899 Views

Last post by MountainManJoe
Thu Dec 30, 2010 7:09 pm
S10 front diff in AWD astro???

Last post by Roadstar01 « Thu Nov 21, 2024 7:42 pm
Replies: 2
by scarecrow » Sat Jan 30, 2010 8:11 pm

will a S10 front diff bolt into a AWD astro? i know the R&P is the same but what about the whole housing?

2 Replies

1950 Views

Last post by Roadstar01
Thu Nov 21, 2024 7:42 pm
What is correct front axle clearance

Last post by WoodButcher « Tue May 24, 2022 9:01 pm
Replies: 7
by Gio1967 » Fri May 20, 2022 9:15 am

I recently had a used transmission installed by a incompetent mechanic that decided to try to use spacers under my transfer case and grind down my...

7 Replies

4194 Views

Last post by WoodButcher
Tue May 24, 2022 9:01 pm
1987 Astro Tiger 2wd To AWD/4x4

Last post by Captn. Crunch « Mon Nov 18, 2019 5:19 am
Replies: 2
by hburge » Mon Oct 07, 2019 8:12 pm

Hey guys.

I Understand that there is a lot of information on this forum and others. A lot of the information i have found by spending hrs looking...

2 Replies

3918 Views

Last post by Captn. Crunch
Mon Nov 18, 2019 5:19 am
Van locked up/died in parking spot

Last post by okie1 « Tue May 28, 2019 4:39 am
Replies: 33
by TheUnicorn » Mon Apr 08, 2019 1:41 pm
1

2

3
Hi all,

I haven't come across something similar on here, in my admittedly-brief search.

99 AWD Astro, 130k miles. Front differential work 2 years...
33 Replies

10893 Views

Last post by okie1
Tue May 28, 2019 4:39 am
Need recommendation for smoother drive

Last post by Astrophysics « Thu Mar 28, 2019 10:53 pm
Replies: 8
by tstol » Sat Jun 09, 2018 5:09 am

Hi everyone. I'm not sure this is the right place to post, so if it should go somewhere else please let me know. I installed 4 ProComp 3000 Shocks...

8 Replies

4453 Views

Last post by Astrophysics
Thu Mar 28, 2019 10:53 pm
Help find replacement rear Driveshaft

Last post by SafariSoGood « Fri Mar 08, 2019 7:27 am
Replies: 4
by SafariSoGood » Thu Feb 21, 2019 6:59 am

New to me 2004 safari awd vin 1GKEL19X44B500891

In Philadelphia PA

Needs needs a replacement rear driveshaft

Having a hard time sourcing OEM or...

4 Replies

2598 Views

Last post by SafariSoGood
Fri Mar 08, 2019 7:27 am
AWD question

Last post by Snowgeek « Mon Feb 11, 2019 10:03 pm
Replies: 1
by rlyoung » Mon Feb 11, 2019 8:21 pm

2001 AWD

When I start forward on drive pavement, which wheels are initially propelling the car forward--a single rear wheel? I have an ex Hertz...

1 Replies

1654 Views

Last post by Snowgeek
Mon Feb 11, 2019 10:03 pm
Encoder motor question

Last post by Astrophysics « Wed Nov 28, 2018 7:32 pm
Replies: 2
by Wetcoaster » Thu Nov 08, 2018 11:25 am

Hi all

I've been coming here to research the replacement of the encoder motor on my 1999 Safari AWD

What I've learned is that the motor should not...

2 Replies

2267 Views

Last post by Astrophysics
Wed Nov 28, 2018 7:32 pm
2002 Astro - Pre-bent brake lines - source ? Gas tank down?

Last post by amtrakjoe « Tue Oct 09, 2018 11:20 am

by amtrakjoe » Tue Oct 09, 2018 11:20 am

Good Afternoon,

Anyone know of a source for pre-bent brake lines for a 2002 Astro 2 WD? Also - for the installation do I have to remove the fuel...

0 Replies

2335 Views

Last post by amtrakjoe
Tue Oct 09, 2018 11:20 am
4.11 Diffs which one with a G80

Last post by Astrophysics « Thu Oct 04, 2018 10:03 pm
Replies: 15
by astroshepawd » Sun Aug 05, 2018 3:29 pm
1

2
Hi guys, long since been advised 4.10 or 4.11 diff ratios are the ones to go with when running 31 inch tires on my 98 AWD, so time to see what's...
15 Replies

9675 Views

Last post by Astrophysics
Thu Oct 04, 2018 10:03 pm
Converting 99 astro to 6 lugs...

Last post by Stroverlander « Mon Sep 17, 2018 3:08 pm
Replies: 11
by madslammer » Mon Mar 18, 2013 12:49 pm

Hi, I'm looking at some oem wheels I like, but they are 6 lug...
How complicated would it be to convert from 5 to 6 lugs...

I have drop spindles,...

11 Replies

9058 Views

Last post by Stroverlander
Mon Sep 17, 2018 3:08 pm
Service Engine Light Flashing at 100km/h........

Last post by pbgbottle « Mon Jul 02, 2018 3:00 pm
Replies: 36
by Jana Banana » Sun Feb 18, 2007 9:43 pm
1

2

3
While driving up a slight incline on the Highway, at about 100km/h (yup, live in Canada! LOL!), the service engine light began to flash. When I eased...
36 Replies

29910 Views

Last post by pbgbottle
Mon Jul 02, 2018 3:00 pm
Looking for opinions on non0open rear differentils

Last post by nonhog « Sat May 19, 2018 12:27 pm
Replies: 2
by WE7X » Tue May 15, 2018 11:10 am

I want to install some sort of a limited slip rear end in my '98 AWD Astro, and I do not want the original G80 style 'Gov-Loc' version, which I...

2 Replies

2431 Views

Last post by nonhog
Sat May 19, 2018 12:27 pm
Can a '93 GT4/G80 replace an open GT4 on a '98 ??

Last post by WE7X « Wed Apr 11, 2018 6:06 pm
Replies: 2
by WE7X » Tue Apr 10, 2018 9:34 pm

I am still looking for a donor chassis with a GT4/G80 rear diff, to replace my '98 open GT4 ( 3.73) diff. Have cash in hand, but nothing yet to...

2 Replies

2479 Views

Last post by WE7X
Wed Apr 11, 2018 6:06 pm
Swapping ('98) 5 lug rear xles into newer 6 lug ('03housing?

Last post by WE7X « Sat Apr 07, 2018 12:15 pm
Replies: 2
by WE7X » Thu Apr 05, 2018 6:37 pm

I have located a GT4/G80 rear end in a 2003, but it has 6 lug axles and disc brakes.
My '98 has the GT4 ratio (3.73), with open diff. Will the '98...

2 Replies

2400 Views

Last post by WE7X
Sat Apr 07, 2018 12:15 pm
Front and rear LSD’s

Last post by Captn. Crunch « Wed Dec 20, 2017 11:07 am
Replies: 11
by Captn. Crunch » Fri Oct 06, 2017 5:29 am

So ya I know it doesn’t look like much....
What you’re looking at is a couple of years worth of scrounging and conniving to try to put together the...

11 Replies

6530 Views

Last post by Captn. Crunch
Wed Dec 20, 2017 11:07 am
Swap 03 Astro Axles and Brakes with '00 Safari?

Last post by Herbie « Thu Oct 19, 2017 9:07 am
Replies: 4
by 819f15h » Tue Oct 17, 2017 6:01 pm

Long-time lurker, first time poster...

I did a quick search and couldn't find what I was looking for. I was curious if anyone in the collective...

4 Replies

3592 Views

Last post by Herbie
Thu Oct 19, 2017 9:07 am
2002 AWD ASTRO TRANSFER CASE CONVERSION ?

Last post by AstroWill « Thu Aug 17, 2017 8:48 am
Replies: 2
by PatAus » Mon Aug 14, 2017 9:45 am

Hello all..

Im asking for advice here and seeking opinions and first hand knowledge in regards to changing out the Tranfer case to an NP233 S10....

2 Replies

2960 Views

Last post by AstroWill
Thu Aug 17, 2017 8:48 am
Rear Diff fluid discrepancy between FSM and owner's manual

Last post by rlyoung « Wed Apr 26, 2017 7:43 am
Replies: 2
by rlyoung » Mon Apr 24, 2017 5:21 pm

I have a 2001 AWD van that started our as a rental van and hasn't had any mods. It runs great. The door RPO code shows GU6 for the rear axle. There...

2 Replies

3159 Views

Last post by rlyoung
Wed Apr 26, 2017 7:43 am
Can the front IFS be narrowed? or is it too costly?

Last post by Captn. Crunch « Sat Dec 24, 2016 5:46 pm
Replies: 3
by ls325ci » Wed Dec 21, 2016 11:44 pm

Looking to turn a hotrod into awd. Unfortunately the track width is only 55 the astro van is over 10 wider.

Is this something that is easily done?...

3 Replies

3535 Views

Last post by Captn. Crunch
Sat Dec 24, 2016 5:46 pm
Stuck odometer.

Last post by AstroWill « Sat Nov 05, 2016 4:27 pm
Replies: 1
by Triple » Sat Nov 05, 2016 11:09 am

The mechanical odometer and trip meter on my 95 AWD Safari stopped working a few days after I bought it. It jumped from about 103K miles to all zeros...

1 Replies

2561 Views

Last post by AstroWill
Sat Nov 05, 2016 4:27 pm
03 AWD Rear Axle Assembly

Last post by AstroWill « Wed Jun 15, 2016 7:45 pm
Replies: 2
by chesehd » Sun Jun 12, 2016 4:32 pm

So the pumpkin on my ride has decided to commit harikari. )>)

Lots and lots of metal pieces that don't belong on the magnet were found.

I'm now in...

2 Replies

3364 Views

Last post by AstroWill
Wed Jun 15, 2016 7:45 pm
best brands for half shafts?

Last post by Captn. Crunch « Mon May 16, 2016 6:25 pm
Replies: 1
by pengyou » Wed May 11, 2016 4:21 pm

I need to replace my half shafts...what are the best brands to buy?

1 Replies

2973 Views

Last post by Captn. Crunch
Mon May 16, 2016 6:25 pm
Axle choices

Last post by Captn. Crunch « Wed May 11, 2016 4:50 pm

by Captn. Crunch » Wed May 11, 2016 4:50 pm

OEM is the best shaft. If you look at remanufactured you will usually see they are rebuilding stock units. The steel in new aftermarket units can be...

0 Replies

2746 Views

Last post by Captn. Crunch
Wed May 11, 2016 4:50 pm
2003 awd issues

Last post by Mmusicman « Tue Apr 19, 2016 12:13 pm
Replies: 10
by AUTO-MAN » Thu Mar 24, 2016 4:09 am

the AWD doesn't work in my 2003 safari (140km's). Sent it to a shop and they said everything mechanical is good, proper fluid, clutches good, the...

10 Replies

8030 Views

Last post by Mmusicman
Tue Apr 19, 2016 12:13 pm
Fan Clutch Affects Tranny Shifts

Last post by ihatemybike « Tue Sep 29, 2015 9:35 am
Replies: 8
by LaGrasta » Thu Sep 03, 2015 9:01 am

To help save you a headache, I want to let you in on a recent discovery.

A few years go, my tranny was screaming at every shift point, I reluctantly...

8 Replies

5428 Views

Last post by ihatemybike
Tue Sep 29, 2015 9:35 am
can't find drain plug on 3.73 front differential please help

Last post by Captn. Crunch « Sat Aug 15, 2015 12:10 pm
Replies: 1
by drama » Sat Aug 15, 2015 8:43 am

I need to drain the fluid and the only things I see coming off the pumpkin at the fill plug and a breather. I don't really want to crack the pumpkin...

1 Replies

2781 Views

Last post by Captn. Crunch
Sat Aug 15, 2015 12:10 pm
drain plug location for 95 astro front differential

Last post by drama « Tue Aug 04, 2015 8:35 pm
Replies: 2
by drama » Sun Aug 02, 2015 2:28 pm

I need to drain out my differential. But I have been unable to locate the plug. I believe it is one of the bolts going around the pumpkin. But I...

2 Replies

2970 Views

Last post by drama
Tue Aug 04, 2015 8:35 pm
Driveline Vibration

Last post by truC « Sat Jul 18, 2015 5:21 pm
Replies: 6
by ChrisG » Wed Nov 30, 2011 11:36 am

Hey folks,
My 2004 AWD has a vibration that I need some help on. The vibration is most significant during exceleration before the trans shifts from...

6 Replies

5376 Views

Last post by truC
Sat Jul 18, 2015 5:21 pm
95 front astro differential rebuild

Last post by photo_van « Fri Jun 05, 2015 5:21 pm
Replies: 7
by drama » Wed Mar 25, 2015 6:59 pm

I was looking up a few sites and videos for good pics or videos of a rebuild from tear off to install. But I was unable to find anything.

I plan to...

7 Replies

5538 Views

Last post by photo_van
Fri Jun 05, 2015 5:21 pm
Change ratio in rear diff = change ratio in front diff?

Last post by Captn. Crunch « Wed Apr 01, 2015 4:47 am
Replies: 3
by RINNY » Tue Mar 31, 2015 12:01 pm

2003 astro AWD with 3.42 in rear diff want to go to 3.7 or 4.10. If I change the ratio in the rear differential do I have to change it in the front...

3 Replies

3654 Views

Last post by Captn. Crunch
Wed Apr 01, 2015 4:47 am
AWD inop; Service AWD light on, stick-slip while turning

Last post by Captn. Crunch « Thu Jan 08, 2015 4:10 pm
Replies: 14
by zx150 » Tue Apr 02, 2013 10:08 am

I've got an '04 Astro AWD and my 'Service AWD' light has been on for a long time. The other day I was out in a snow storm and the van was all over...

14 Replies

15235 Views

Last post by Captn. Crunch
Thu Jan 08, 2015 4:10 pm
AWD now a RWD?

Last post by Meterpig « Tue Jan 06, 2015 6:23 pm
Replies: 7
by bootpack » Tue Mar 11, 2014 6:56 pm

New to the forum, hopefully this is posted in the right place. I'm also not a mechanic at all, so keep that in mind.
A few months back I bought a...

7 Replies

5489 Views

Last post by Meterpig
Tue Jan 06, 2015 6:23 pm
weird vibrations

Last post by Stroverlander « Fri Nov 21, 2014 10:06 am
Replies: 17
by thegreenmachine » Thu Feb 21, 2013 9:38 am
1

2
Hi guys, I've been getting a weird vibration at highway speeds. But it's not an all the time thing.

I'll be cruising at 105km/hr on my way to work,...
17 Replies

12728 Views

Last post by Stroverlander
Fri Nov 21, 2014 10:06 am
ratcheting sound when under heavy load

Last post by LiftedAWDAstro « Tue Jun 24, 2014 8:14 am
Replies: 6
by Captn. Crunch » Sat Jun 09, 2012 8:12 am

My buddy got his dump truck stuck in my yard yesterday so We hooked a tow chain to the hitch on my AWD Safari to get him moving. My wheels were all...

6 Replies

5578 Views

Last post by LiftedAWDAstro
Tue Jun 24, 2014 8:14 am
Astro portal axle

Last post by Cobra « Fri May 23, 2014 5:16 pm
Replies: 4
by Cobra » Thu May 22, 2014 2:55 pm

I've been fantasizing nonstop since seeing this on topgear. Particularly the CTIS and drivetrain had my full attention and it got my on the topics of...

4 Replies

4665 Views

Last post by Cobra
Fri May 23, 2014 5:16 pm
New grind in driver's front

Last post by chesehd « Sun Mar 30, 2014 7:32 pm
Replies: 7
by chesehd » Fri Jan 10, 2014 6:06 pm

2003 AWD

Earlier this week I pulled the van out of the driveway and made it roughly a mile when I started got a sudden grind on the front, diver's...

7 Replies

4879 Views

Last post by chesehd
Sun Mar 30, 2014 7:32 pm
Rear Diff fluid. . .

Last post by Quihyp « Sun Mar 30, 2014 10:47 am
Replies: 2
by Quihyp » Sun Mar 30, 2014 8:39 am

I just returned from Pep boys and they gave me 2 quarts of 75w140. From reading the forums here I should have gotten 80w90 and they messed up? Is a...

2 Replies

3229 Views

Last post by Quihyp
Sun Mar 30, 2014 10:47 am
Binding/Clicking from front that ISN'T CVs?

Last post by doyoulikeithere « Tue Feb 11, 2014 3:09 pm
Replies: 3
by Herbie » Mon Feb 10, 2014 9:41 am

So I'd started another thread a few months back. I had what I assumed to be a failing CV halfshaft. Well after a too-long too-expensive odyssey, both...

3 Replies

3335 Views

Last post by doyoulikeithere
Tue Feb 11, 2014 3:09 pm
I hope this is in the right spot....

Last post by Fishfreek « Thu Oct 31, 2013 3:13 am
Replies: 2
by Fishfreek » Wed Oct 30, 2013 5:35 pm

I am considering a 4wd conversion of my 2wd 1999 Astro. I have a local here that is selling off his 4wd parts of a 1999 Jeep Cherokee. He is doing a...

2 Replies

3167 Views

Last post by Fishfreek
Thu Oct 31, 2013 3:13 am
im going friggin crazy

Last post by maing bus « Mon Oct 21, 2013 10:26 pm
Replies: 12
by maing bus » Sun Sep 15, 2013 8:36 pm

OK guys... I'm so close to going to the local car dealership and buying a new car.....so I'm gonna need some help to talk me off this astro van...

12 Replies

7903 Views

Last post by maing bus
Mon Oct 21, 2013 10:26 pm
Odd Vibration

Last post by doyoulikeithere « Mon Oct 07, 2013 12:21 pm
Replies: 6
by dobaroy » Sat Sep 21, 2013 6:18 am

On our AWD '03 Safari, when we are in tight corners in a plaza, the van will give off a vibration that you can feel, even in the steering. Changed...

6 Replies

4872 Views

Last post by doyoulikeithere
Mon Oct 07, 2013 12:21 pm
No Overdrive came from factory on this 2003??

Last post by WoodButcher « Wed Sep 18, 2013 6:43 pm
Replies: 5
by SkipMorgart » Wed Sep 18, 2013 2:24 pm

Hello all. I'm looking at a 2003 Safari to buy. I took it for a test drive today. It does NOT have Overdrive option on the gear shift. Isn't that...

5 Replies

4346 Views

Last post by WoodButcher
Wed Sep 18, 2013 6:43 pm
Low speed shudder 05 AWD

Last post by LiftedAWDAstro « Thu Jun 27, 2013 5:48 am
Replies: 3
by VWcorvette » Sun Jun 23, 2013 12:41 pm

After replacing the encoder motor on the transfer case I've been driving the van to check for other problems. From a stop (low speeds) the van...

3 Replies

4104 Views

Last post by LiftedAWDAstro
Thu Jun 27, 2013 5:48 am
AWD to 2wd?

Last post by doyoulikeithere « Wed Jun 12, 2013 6:40 pm
Replies: 5
by blk lt awd » Sat Jun 08, 2013 6:29 pm

Looks like i need to take my awd down to a 2 wd in my endeavour to pro tour the van. Need some info from you guys that know the awd system well. What...

5 Replies

4979 Views

Last post by doyoulikeithere
Wed Jun 12, 2013 6:40 pm
Speedometer Jitter affecting transmission

Last post by marco10 « Mon Jun 03, 2013 3:51 am
Replies: 4
by marco10 » Thu May 23, 2013 4:21 am

About a few months ago, the ABS light and the hand brake light came on. A few days ago the speedometer started to jitter back and forth while...

4 Replies

4135 Views

Last post by marco10
Mon Jun 03, 2013 3:51 am
Darn you drivers side half shaft!!!

Last post by steinec « Sat Apr 06, 2013 1:33 pm
Replies: 17
by ihatemybike » Sat Jan 24, 2009 4:00 pm
1

2
Alright, I'm annoyed. How the heck are you supposed to remove the half shaft?

I'm following the directions on

I don't understand step 15.
15....
17 Replies

16518 Views

Last post by steinec
Sat Apr 06, 2013 1:33 pm
4" Lift and CV Joint Boots

Last post by H2OJoe « Thu Jan 31, 2013 7:53 pm
Replies: 4
by H2OJoe » Thu Jan 24, 2013 11:49 am

Has anyone had issues with the boots on the front axles wearing out prematurely after installing a lift kit?
I had new axles and boots installed...

4 Replies

4245 Views

Last post by H2OJoe
Thu Jan 31, 2013 7:53 pm
V8 swap or differential swap?

Last post by doyoulikeithere « Wed Nov 21, 2012 10:53 pm
Replies: 8
by H2OJoe » Mon Nov 19, 2012 6:03 pm

So I finally installed my 4 lift and got 30x9.5/15 tires on the van. As expected, I have experienced the loss of mpg after installing the lift/bigger...

8 Replies

5875 Views

Last post by doyoulikeithere
Wed Nov 21, 2012 10:53 pm

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