New lockers and new Atlas adds a crescendo of new noises. - JeepForum.com

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post #1 of 32 Old 01-27-2014, 11:13 PM Thread Starter
M1ark
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1998 TJ Wrangler 
 
Join Date: Jun 2012
Location: Buckeye
Posts: 234
New lockers and new Atlas adds a crescendo of new noises. (Solved)

Just had the following done. The jeep went from a quiet stock jeep with a 4" lift as the only mod to this. Now it sounds like a farm implement. I will eventually get used to the crescendo of new sounds. Can't wait for wheeling this weekend.


TJ Ford 8.8 axle 4" lift ($2495)
- Artec Truss
- 4.56 gears / master install kit
- Yukon Grizzly locker
- Yukon 8.8 c-clip elim kit
- disk brake / e-brake
Labor / Install - Ford 8.8 Includes new brakes / u-joint / conversion ($400)


D30 4.56 gears / master install kit ($250)
Labor / Install($250)

D30 Yukon Grizzly locker - free install ($520)

Yukon Inner and Outer 4340 TJ shaft kit - free install ($550)

D30 unit bearings - free install ($170)

Ballistic Fab D30 / 8.8 HD diff cover ($230)

D30 Front Artec truss w/ Artec C-s ($155)
Labor / Install ($200)
- free gusset Dana 30 lower control arm.

Atlas 2 3.8 ($1400)
Labor / Install - atlas ($500)

New rear custom CV driveshaft ($99)

Shorten front drive shaft and overhaul ($98)

Total $7609


98 TJ Sport, 4.0 liter, 4" lift, 33" Mud Terrains
D30, Artec Truss, Artec C Gusset, Yukon Grizzly, Chromoly Axle
Ford 8.8, Artec Truss, Yukon Grizzly, C Clip Eliminator, Disc Brakes
Atlas II 3.8 Transfer Case, Yukon 4.88 Gears, Custom Drive Shaft Front & Rear
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post #2 of 32 Old 01-29-2014, 02:28 AM
aparke4
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Pics! Hell of a set up!
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post #3 of 32 Old 01-30-2014, 03:35 PM
A4LiterV8eater
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2006 LJ Wrangler 
 
Join Date: Jan 2014
Location: Thompsons Corner
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The only thing I would think would add noises is the Grizzly Locker unless the drive shafts were setup improperly. What do the noises sound like?

EDIT:

Actually I take that back, depending on your cross member, body lift, trans mount, and the way you have your atlas clocked, the Atlas could be tapping the skid or underside of your body.
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post #4 of 32 Old 01-30-2014, 07:30 PM
MO2500
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Location: Denver
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Quote:
Originally Posted by M1ark View Post
Atlas 2 3.8 ($1400)
Unless you meant $2400, was the Atlas used? If not, I need to know where you got a deal like that!


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post #5 of 32 Old 02-02-2014, 12:42 PM Thread Starter
M1ark
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Join Date: Jun 2012
Location: Buckeye
Posts: 234
Quote:
Originally Posted by MO2500 View Post
Unless you meant $2400, was the Atlas used? If not, I need to know where you got a deal like that!
Used. Original owner going to an Atlas II 4.3 with the 32 spline front output shaft.

98 TJ Sport, 4.0 liter, 4" lift, 33" Mud Terrains
D30, Artec Truss, Artec C Gusset, Yukon Grizzly, Chromoly Axle
Ford 8.8, Artec Truss, Yukon Grizzly, C Clip Eliminator, Disc Brakes
Atlas II 3.8 Transfer Case, Yukon 4.88 Gears, Custom Drive Shaft Front & Rear
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post #6 of 32 Old 02-02-2014, 12:55 PM Thread Starter
M1ark
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1998 TJ Wrangler 
 
Join Date: Jun 2012
Location: Buckeye
Posts: 234
Quote:
Originally Posted by A4LiterV8eater View Post
The only thing I would think would add noises is the Grizzly Locker unless the drive shafts were setup improperly. What do the noises sound like?

EDIT:

Actually I take that back, depending on your cross member, body lift, trans mount, and the way you have your atlas clocked, the Atlas could be tapping the skid or underside of your body.
Crescendo getting quieter. Probably due to breaking in. Grizzly locker makes a noise when I clutch and declutch. Not a big deal. Grizzly locker quiet turning corners so this noise would be a lot better with an auto transmission.

I don't have cable shifters for the atlas so I do pick up more transfer case noise in the cabin at freeway speeds or if I'm in the wrong gear at low speeds. This too is getting better primarily due to driving better at low speeds. I realized I had bad driving habits in the past with my stock setup because the chain drive 231 was more forgiving with noise feedback.

My pinion angle with my front axle and drive shaft requires adjusting (I have fixed upper and lower control arms in the front). I am getting adjustable control arms to help fix this and maybe even lock out front hubs to help freeway noise.

Otherwise it is really all working out great. Just a shock going from stock driveline to a capable driveline.

So far very happy with the transformation.

98 TJ Sport, 4.0 liter, 4" lift, 33" Mud Terrains
D30, Artec Truss, Artec C Gusset, Yukon Grizzly, Chromoly Axle
Ford 8.8, Artec Truss, Yukon Grizzly, C Clip Eliminator, Disc Brakes
Atlas II 3.8 Transfer Case, Yukon 4.88 Gears, Custom Drive Shaft Front & Rear
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post #7 of 32 Old 02-02-2014, 04:25 PM Thread Starter
M1ark
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Quote:
Originally Posted by aparke4 View Post
Pics! Hell of a set up!
Here you go…


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98 TJ Sport, 4.0 liter, 4" lift, 33" Mud Terrains
D30, Artec Truss, Artec C Gusset, Yukon Grizzly, Chromoly Axle
Ford 8.8, Artec Truss, Yukon Grizzly, C Clip Eliminator, Disc Brakes
Atlas II 3.8 Transfer Case, Yukon 4.88 Gears, Custom Drive Shaft Front & Rear
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post #8 of 32 Old 02-03-2014, 12:45 AM
Mulvihill64
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2002 TJ Wrangler 
 
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Location: Clark / Glassboro
Posts: 707
Garage
Pinion angle looks to be a little low... Could just be the pic though



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post #9 of 32 Old 02-03-2014, 01:23 AM Thread Starter
M1ark
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Join Date: Jun 2012
Location: Buckeye
Posts: 234
Quote:
Originally Posted by Mulvihill64 View Post
Pinion angle looks to be a little low... Could just be the pic though
That's the front axle. It is low.

98 TJ Sport, 4.0 liter, 4" lift, 33" Mud Terrains
D30, Artec Truss, Artec C Gusset, Yukon Grizzly, Chromoly Axle
Ford 8.8, Artec Truss, Yukon Grizzly, C Clip Eliminator, Disc Brakes
Atlas II 3.8 Transfer Case, Yukon 4.88 Gears, Custom Drive Shaft Front & Rear
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post #10 of 32 Old 02-03-2014, 01:26 AM
Mulvihill64
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Location: Clark / Glassboro
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Quote:
Originally Posted by M1ark
That's the front axle. It is low.
no, I'm talking about the rear pinion angle



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post #11 of 32 Old 02-03-2014, 06:07 AM
hokahay
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2003 TJ Wrangler 
 
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Location: Fort Pierce
Posts: 557
I had a full Savvy 3" with a one inch BL and the Original UA and GTS along with a new front axle and all new suspension parts. It made all kind of noises. I had a muffler shop make some minor adjustments for 40 bucks to fix a known problem, but after that it settled in and now its back to no noises or funny sounds again. Of course, quiet like a luxury car on a country lane it's not.
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post #12 of 32 Old 02-03-2014, 08:48 AM Thread Starter
M1ark
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Join Date: Jun 2012
Location: Buckeye
Posts: 234
Quote:
Originally Posted by Mulvihill64 View Post
no, I'm talking about the rear pinion angle
I'll take a better picture and post. I thought the rear was fine.

98 TJ Sport, 4.0 liter, 4" lift, 33" Mud Terrains
D30, Artec Truss, Artec C Gusset, Yukon Grizzly, Chromoly Axle
Ford 8.8, Artec Truss, Yukon Grizzly, C Clip Eliminator, Disc Brakes
Atlas II 3.8 Transfer Case, Yukon 4.88 Gears, Custom Drive Shaft Front & Rear
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post #13 of 32 Old 02-03-2014, 08:50 AM Thread Starter
M1ark
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1998 TJ Wrangler 
 
Join Date: Jun 2012
Location: Buckeye
Posts: 234
Quote:
Originally Posted by hokahay View Post
I had a full Savvy 3" with a one inch BL and the Original UA and GTS along with a new front axle and all new suspension parts. It made all kind of noises. I had a muffler shop make some minor adjustments for 40 bucks to fix a known problem, but after that it settled in and now its back to no noises or funny sounds again. Of course, quiet like a luxury car on a country lane it's not.
It is getting much better. I only have marble sounds when decellerating above 45 mph as the last noise to fix. Again Advance Adapters thinks its my driveline angles.

98 TJ Sport, 4.0 liter, 4" lift, 33" Mud Terrains
D30, Artec Truss, Artec C Gusset, Yukon Grizzly, Chromoly Axle
Ford 8.8, Artec Truss, Yukon Grizzly, C Clip Eliminator, Disc Brakes
Atlas II 3.8 Transfer Case, Yukon 4.88 Gears, Custom Drive Shaft Front & Rear
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post #14 of 32 Old 02-03-2014, 09:03 AM
Imped
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2004 TJ Wrangler 
 
Join Date: Feb 2008
Location: Indianapolis
Posts: 20,357
Rear pinion angle does look low. Measure the pinion angle and measure the drive shaft angle. What's the difference?

Do the same on the front. What's the difference?

Got any physical contact between the drivetrain, tub and/or exhaust?

OlllllllO

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post #15 of 32 Old 02-03-2014, 06:16 PM Thread Starter
M1ark
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1998 TJ Wrangler 
 
Join Date: Jun 2012
Location: Buckeye
Posts: 234
Quote:
Originally Posted by Imped View Post
Rear pinion angle does look low. Measure the pinion angle and measure the drive shaft angle. What's the difference?

Do the same on the front. What's the difference?

Got any physical contact between the drivetrain, tub and/or exhaust?
Rear Drive Shaft 23 degrees. Rear Pinion 14 degrees. Rear TC output 13 degrees.

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Front Drive Shaft 12 degrees. Front Pinion 5 degrees.

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What do you guys think? Advice?

98 TJ Sport, 4.0 liter, 4" lift, 33" Mud Terrains
D30, Artec Truss, Artec C Gusset, Yukon Grizzly, Chromoly Axle
Ford 8.8, Artec Truss, Yukon Grizzly, C Clip Eliminator, Disc Brakes
Atlas II 3.8 Transfer Case, Yukon 4.88 Gears, Custom Drive Shaft Front & Rear
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