the banging gets faster the faster I go - Jeep Wrangler Forum
Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > YJ Jeep Wrangler Forum > YJ Tech Forum

Join Wrangler Forum Today


Reply
 
Thread Tools

Please support our sponsors and let them know you heard about them on WranglerForum.com
Old 08-20-2013, 09:19 PM   #1
Jeeper
 
Phil1's Avatar
 
Join Date: Aug 2013
Location: Tomball, Texas
Posts: 49
the banging gets faster the faster I go

My new 1992 YJ was grinding gears and had a loud banging that got faster the faster I went. A new transmissions solved the grinding and popping out of gear. But the banging still occurs under load. Letting off the gas or coasting results in no banging. Maybe the xfer case? Could it be the rear? It has become my favorite money pit. Advice is needed!

92YJ 2.5l Ax5 np231

Phil1 is offline   Quote
Old 08-20-2013, 09:25 PM   #2
Moderator

::WF Moderator::
 
harleydragon's Avatar
 
Join Date: Jul 2012
Location: south georgia
Posts: 3,923
u joints would be the first thing I would check but yes it could be the things you mentioned

harleydragon is offline   Quote
Old 08-20-2013, 09:48 PM   #3
Jeeper
 
Phil1's Avatar
 
Join Date: Aug 2013
Location: Tomball, Texas
Posts: 49
Thanks, I hadn't even thought of that. I'll put it up on jack stands tomorrow find the source.
Phil1 is offline   Quote
Old 08-20-2013, 10:05 PM   #4
Jeeper
 
c5wagner's Avatar
 
Join Date: Apr 2013
Location: Reno, Nevada
Posts: 1,458
I had a banging problem until I rebuilt my 4.2l, I guess it was a bearing in the engine.....
__________________
1989 Base YJ, 4.2l, Motorcraft 2150 carb, CRT HEI ignition, ax15, np231 JB conversions SYE, D30 ARB & Ford 8.8 ARB 4.56, 35x12.5r15 Goodyear MTR's, bds 3.5" springs, 1" body lift, and 1/2" Boom Shackles.
Build Thread: http://www.wranglerforum.com/f330/fi...ld-385106.html
c5wagner is offline   Quote
Old 08-21-2013, 09:20 AM   #5
Jeeper
 
Phil1's Avatar
 
Join Date: Aug 2013
Location: Tomball, Texas
Posts: 49
My rear end needs a dentisr

okay I put it up on jack stands. Now I know where my next paycheck is going. A couple of teeth just fell out. JB weld isn't gonna fix this.
Phil1 is offline   Quote
Old 08-21-2013, 10:51 AM   #6
Jeeper
 
AllMudd's Avatar
 
Join Date: Apr 2013
Location: SoCal
Posts: 1,602
Quote:
Originally Posted by Phil1 View Post
okay I put it up on jack stands. Now I know where my next paycheck is going. A couple of teeth just fell out. JB weld isn't gonna fix this.
A couple teeth fell from the rear diff? If so spend the money on an axle swap. The stock D35 is know for blowing spider gears under load from bigger tires. Just my 2 cents.
AllMudd is offline   Quote
Old 08-21-2013, 11:23 AM   #7
Jeeper
 
Join Date: Feb 2013
Posts: 763
X2 AllMudd's posts!
89Saharagreen is offline   Quote
Old 08-21-2013, 02:10 PM   #8
Jeeper
 
wasomma's Avatar
 
Join Date: Aug 2010
Location: Baltimore, MD
Posts: 925
wasomma is offline   Quote
Old 08-21-2013, 06:57 PM   #9
Jeeper
 
Phil1's Avatar
 
Join Date: Aug 2013
Location: Tomball, Texas
Posts: 49
I see that East Coast Gear Supply shows a ford 8.8 that bolts in. $610 plus shipping. I think that is my next move.
Phil1 is offline   Quote
Old 08-21-2013, 07:57 PM   #10
Jeeper
 
Phil1's Avatar
 
Join Date: Aug 2013
Location: Tomball, Texas
Posts: 49
[QUOTE=Phil1;4105760]As you wander on through life brother whatever be your goal, keep your eye upon the donut and not upon the hole.
Phil1 is offline   Quote
Old 08-27-2013, 10:58 PM   #11
Jeeper
 
Phil1's Avatar
 
Join Date: Aug 2013
Location: Tomball, Texas
Posts: 49
Just as a follow up and for the record I ended up locating and purchasing hey Dana 35 rear axle assembly with perfect teeth and very little play . Even the spider gears were tight. It came with the Dana 30 front axle assembly. Also in vg shape. paid 450. Since my yj is a 92 and the axles were from a 95 the yoke accepted a bigger u joint. Took 1 day and 28 more $. But now withnew engine mounts, new trans, good xfer case and a dif with very good orthodontics I have a running Wrangler.

Continuing thanks to all those who gave me insight.
Phil1 is offline   Quote
Old 08-28-2013, 11:18 AM   #12
Jeeper
 
Join Date: Aug 2012
Posts: 90
For future reference, the spiders from 3.07, 3.73 and 4.10 are all the same. As long as the ring and carrier are not damaged, the spiders are and easy swap.
Cowboy17 is offline   Quote
Old 08-29-2013, 11:32 PM   #13
Jeeper
 
Phil1's Avatar
 
Join Date: Aug 2013
Location: Tomball, Texas
Posts: 49
Good info.

In my case the whole rear was shot. The pinion had missing tooth, many (6 or 7) teeth on ohe ring dear were broken, the all spider gears were pitted and the profile of the teeth had worn into a new shape, the carrier holes for the spider gear pin was elongated. Nothing to salvage.
Phil1 is offline   Quote
Old 08-30-2013, 10:20 AM   #14
Jeeper
 
Join Date: Aug 2012
Posts: 90
perfect time to swap in the 8.8 per link above.
Cowboy17 is offline   Quote
Old 08-30-2013, 11:00 AM   #15
jokerchief462

WF Supporting Member
 
jokerchief462's Avatar
 
Join Date: Apr 2012
Location: North Las Vegas
Posts: 9,760
I was at a pick and pull yesterday and there was 11 explorers with a disc brake 8.8 still available here in Vegas.

I picked a MPFI setup from a Cherokee for the YJ. Just need a 95 harness and computer. Working a deal on a part out for that

__________________
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.

AF Jeep Club Tail Number 184
jokerchief462 is offline   Quote
Reply

Tags
92yj , drivetrain , noise. 2.5l , np231

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off




Download our Mobile App

» Network Links
»Jeep Parts
» Featured Product

All times are GMT -5. The time now is 07:33 AM.



Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC.
Wranglerforum.com is not in any way associated with the Chrysler Motors LLC