driveline - 88 4x4 extra cab seems too long

idanity · 11-10-2007, 06:28 PM

thanks to DeathCougar, there is a new clutch working in my 4x. (4 hours including test drive-

)

however, upon reattatchment we found the driveline to be very tight (fully compressed)

or it looked fully compressed, and it did go back in, but it needed a prybar to get it over the rear diff.
?.....so, main question is (and time will tell too) will that damage the tranny/or anything else?
?....is anyone elses driveline (tranny to the rear end) really tight on re-install ?

btw.
88 v6, 3.0 4x4, extracab. (seems very original)

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MudHippy · 11-11-2007, 03:29 PM

Yeah, that happens sometimes. The slip spline got pulled out a little when you removed it, or while you were storing it. They can be hard to compress back down, and/or hard to extend for that matter. There's a partial vacuum you have to overcome inside the slip spline. It takes some pressure to squeeze the grease around, or push air in or out of the things usually.

I wouldn't worry about it.

**DeathCougar** · 11-11-2007, 03:34 PM

Quote:

Originally Posted by MudHippy

Yeah, that happens sometimes. The slip spline got pulled out a little when you removed it, or while you were storing it. They can be hard to compress back down, and/or hard to extend for that matter. There's a partial vacuum you have to overcome inside the slip spline. It takes some pressure to squeeze the grease around, or push air in or out of the things usually.

I wouldn't worry about it.

Problem was tho, when we re-installed the driveline, it was compressed ALL the way. the rear wheels where also off the ground, so it should have been slipped out a bit. but it wasn't.

the spline wasn't pulled out at all. It was up and tight, we had already overcome the vacuum, and there was only about 1/2" from collar to collar. the Splines bottom out at that 1/2" so you dont do damage to the yokes on full stuff.

Anyone have an 88 V6 truck they know is 100% original who can measure their driveline??!

MudHippy · 11-11-2007, 07:31 PM

Quote:

Originally Posted by DeathCougar

Anyone have an 88 V6 truck they know is 100% original who can measure their driveline??!

Oh, sure thing. The stock rear driveshaft on my 88 V6 4x4 long bed(112" LWB)pickup w/MT is a one-piece measuring 42.5" from weld to weld. It's actually replacement #2(not really the original stock driveshaft)but they have all been exactly the same size as the original.

I guess an ex.cab with the same engine/tranny/t-case combo would have the same size driveshaft. They are the same wheelbase, 112" LWB. In fact, the one I have on there now could very well be off an ex.cab for all I know. I didn't ask, just measured to be sure it was the right length.

**waskillywabbit** · 11-11-2007, 07:44 PM

I think it was the mechanic.

**DeathCougar** · 11-11-2007, 07:45 PM

Yea I think you are right. So there ya go dan, take some measurements, and see if you have the right driveline in there.

**DeathCougar** · 11-11-2007, 07:47 PM

Quote:

Originally Posted by waskillywabbit

I think it was the mechanic.

Thats pretty true. I lengthened the driveline when he wasn't looking, then painted AND aged the paint.

Damn im good!

idanity · 11-11-2007, 08:56 PM

upon further work (done today), i looked at the driveline again, and it now has opened up again.

so, we did fully compress it, but it somehow uncompressed about 1-1.5 inches.
and i feel alot better.

thanks for all the help, and the measurements, i will measure them this week.
(got the interior out (firewall-bed is now bare metal)- rework in progress.

nate V · 11-11-2007, 09:20 PM

bump

dirve line and wheel base for the ex-cap and long bed is the same for the 1st gen trucks.

**DeathCougar** · 11-11-2007, 09:51 PM

hmm thats wierd. Maybe having the suspension at full droop caused it to move slightly forward? I dunno, thats odd. As long as its working now!

11-11-2007, 03:29 PM	#2 (permalink)
MudHippy Registered User Join Date: Jan 2007 Location: The Realm Of Fecal Cohesion Posts: 2,014	Yeah, that happens sometimes. The slip spline got pulled out a little when you removed it, or while you were storing it. They can be hard to compress back down, and/or hard to extend for that matter. There's a partial vacuum you have to overcome inside the slip spline. It takes some pressure to squeeze the grease around, or push air in or out of the things usually. I wouldn't worry about it. __________________ Sonoran Steel Early IFS Truss Your IFS is SPINELESS without it SonoranSteel.com I'm Cuckoo For YOTA Trucks!

11-11-2007, 07:44 PM	#5 (permalink)
waskillywabbit Super Moderator-Sponsoring Member Staff Join Date: Jul 2003 Location: Tuscaloosa, AL Posts: 14,555	I think it was the mechanic. __________________ WabFab Off-Road, LLC MySpace Twitter Facebook 7th Annual South East 4Runner Jamboree, 2010 The toughest part of a Jeep is the chick driving it. WabFab Off-Road 4th Anniversary Sale

11-11-2007, 09:20 PM	#9 (permalink)
nate V Registered User Join Date: Oct 2007 Posts: 389	bump dirve line and wheel base for the ex-cap and long bed is the same for the 1st gen trucks. __________________ 1988 Pick-Up / 3.0 / 4:56 / 5 speed / 278k miles "Drive it to hell and back"

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11-11-2007, 08:56 PM	#8 (permalink)
idanity Registered User Join Date: Nov 2007 Location: seattle WA Posts: 543	upon further work (done today), i looked at the driveline again, and it now has opened up again. so, we did fully compress it, but it somehow uncompressed about 1-1.5 inches. and i feel alot better. thanks for all the help, and the measurements, i will measure them this week. (got the interior out (firewall-bed is now bare metal)- rework in progress.