• Make it easy to find technical articles, photos, videos, specs and product information for the Jeep Cherokee (XJ) and Comanche (MJ).

How to Flat Tow an XJ or MJ

What is Flat Tow?

Means the vehicle wheels are all on the ground and connected via tow bar.   

What do I need to do?

Depending on your XJ Cherokee or MJ Comanche specs, the transmission and transfer case must be set correctly to avoid any damage to the drivetrain.

  • Automatic transmission should be in PARK.   
  • Manual Transmissions should use 2nd gear.
  • Transfer Case should be put in NEUTRAL.

Chrysler 8.25 Axle Information

All Chrysler 8.25 axles are c-clip.

91-96 XJ:  Chrysler 8.25 - 27 spline, 1.17" diameter shafts, 8.25" ring gear, 3" axle tube
97-01 XJ:  Chrysler 8.25 - 29 spline, 1.21" diameter shafts, 8.25" ring gear, 3" axle tube

Backcountry 4x4 Recovery Tools & Techniques DVD

Backcountry 4x4 Recovery Tools & TechniquesBackcountry 4x4 Recovery Tools & Techniques

We recommend picking up a copy of this DVD by Don Alexander.

1-ton Rod End Specs

CHEVY 1 TON Rod Ends

Dana 30 (D30) Axle Information

Available in both standard (low pinion) and reverse rotation (high pinion).

Ring Gear Diameter: 7.2
Ring Gear Bolts: (10) 3/8 x 24 RH
Cover Bolts: 10
Carrier Breaks: 3.54 / 3.73
Spline Count: 1.375 / 27
Float: Front
Semi-Float Type:
Pinion Support: False
Axle Lugs:  5x4.5

How much thread length is required for Tie Rod Ends?

So you just put on a lift and you aren't sure if its safe to extend the tie rod ends or track bar ends?   Or you need to piece together some steering where the tie rod or draglink are a little short?

WJ Steering Conversion for the XJ

Just gathering a good list of write-ups for WJ Steering knuckle conversion for the XJ D30:

If anyone has any additional recommended links, please let us know.

Parts List:

Unless specified otherwise, parts are for a 99+ jeep grand cherokee. 

Maximum Tire Size Based on Axles

 The following chart is a guideline / suggestions of the maximum tire size assuming that you do medium to extreme offroading.   If you are only a pavement pounder, then you can probably get away with a larger tire size.

Troubleshooting Cooling System

XJ's tend to have issues overheating.    XJs changed from Closed to Open Cooling systems in 1990.  

Here are some troubleshooting steps to determine the cause.

Check for Air in the system

Sometimes if you overheat, have a bad radiator cap or general leak, you can get air in the system.     The easiest way to eliminate all air is to have a Tefba Coolant filter mounted at the highest point of the radiator hose.    The Tefba Coolant filter provides an easy entry to fill the cooling system and burps air since its at the highest point.


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