Driveshaft question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Tater · 06-09-2009, 05:32 PM

How do you check to see if your rear driveshaft is to short?I have an 89 Blazer with a 4" lift,and my driveshaft has fallen off twice in the last 3 months.I didn't think that having a 4" lift would be a problem,but I don't know where else to look.

Eturnit3 · 06-09-2009, 06:18 PM

sounds to me like you've already found out 2 times...

I think you might benefit from visiting www.highangledriveline.com
Seems to me, the shorter the vehicle, the less lift it takes to start running into problems like these, but Im no expert.

Chevy1TonFun · 06-09-2009, 06:33 PM

its too short. You need to have it lengthened.

powerdriver 1958 · 06-09-2009, 07:06 PM

did the lift kit use blocks for the rear?

shilo · 06-10-2009, 12:24 AM

my 83 1 ton did that. turned out a broken center pin on my leaf springs allowed enough movement when i was all twisted up to let it fall out. You couldnt tell by any rub marks as it was always in the mud when it happend. when on flat gound the driveshaft length was perfect

06-09-2009, 05:32 PM	#1
Tater Cradle Robber Join Date: May 2009 Location: Lily Lake,Illinois Posts: 774	Driveshaft question How do you check to see if your rear driveshaft is to short?I have an 89 Blazer with a 4" lift,and my driveshaft has fallen off twice in the last 3 months.I didn't think that having a 4" lift would be a problem,but I don't know where else to look. __________________ "The problem with the world is that everyone is a few drinks behind." Humphrey Bogart "Hippies.They're everywhere.They wanna save the earth,but all they do is smoke pot and smell bad."Eric Cartman "Think about how stupid the average person is,and realize half of them are stupider than that."George Carlin

06-09-2009, 06:18 PM	#2
Eturnit3 Bloodied Knuckles Join Date: Jan 2009 Location: Grass Valley CA Posts: 273	Re: Driveshaft question sounds to me like you've already found out 2 times... I think you might benefit from visiting www.highangledriveline.com Seems to me, the shorter the vehicle, the less lift it takes to start running into problems like these, but Im no expert.

06-09-2009, 06:33 PM	#3
Chevy1TonFun Grease Monkey Join Date: Oct 2007 Location: Fresno CA Posts: 750	Re: Driveshaft question its too short. You need to have it lengthened. __________________ Tow Rig: 2012 Chevy 2500HD CCSB LTZ Z71 4x4 Duramax Ultimate Offroad Build: 1978 Chevy Silverado K30 Crewcab Build Link http://67-72chevytrucks.com/vboard/s...d.php?t=654053 Mud Truck: 1972 Chevy Cheyenne K30 4x4, 468/400/205, D60/D70HD, 18" Custom Lift, 17x39" IROKs FOR SALE http://67-72chevytrucks.com/vboard/c...ton-4x4&cat=12

06-09-2009, 07:06 PM	#4
powerdriver 1958 Kid's Mechanic Join Date: Nov 2006 Location: Kansas City Posts: 8,241	Re: Driveshaft question did the lift kit use blocks for the rear?

06-10-2009, 12:24 AM	#5
shilo Registered User Join Date: Jun 2005 Location: Grand Junction , CO Posts: 602	Re: Driveshaft question my 83 1 ton did that. turned out a broken center pin on my leaf springs allowed enough movement when i was all twisted up to let it fall out. You couldnt tell by any rub marks as it was always in the mud when it happend. when on flat gound the driveshaft length was perfect __________________ 71 swb 4x4, 37" Iroks, t400/205 496 77 CJ-7, Narrowed Dana 60 Lockrite, 14 Bolt Spool, 4.56 gears, 39.5" boggers. 360 t-18/d20

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