How do I identify my Jeep transfer case?

2021-04-15 by No Comments

How do I identify my Jeep transfer case?

The easiest way to identify the transfer case input is by identifying the stock transmission that Jeep used. The 21 and 23 splined output shafts vary on different transmission models. The AX15 transmission is always 23 spline shaft and extends 1/2″ beyond the face of the transmission.

How do I identify my transfer case model?

New Process/New Venture transfer cases are easy to identify. Early models have a rectangular ID plate screwed to the back of the case; newer ones have a round red/silver/black tag on their backsides. BorgWarner models have an assembly tag secured by one of the housing’s bolts.

Which transfer case is better 231 or 242?

Down and dirty the 231 is slightly stronger, has more aftermarket upgrades available and is probably more suited to the hard-core Jeeper types. The 242 has everything the 231 has PLUS Full-time, on the road, All Wheel Drive.

What is the best Jeep transfer case?

Top Jeep Transfer Case Swaps

  1. NP205.
  2. NP241OR.
  3. Advanced Adapters Atlas II.
  4. JB Conversions Lo-Max 205.
  5. Dana 300.
  6. Stak 4×4 Monster Box.
  7. Hi Impact.
  8. NP242.

Is Dana 20 a good transfer case?

The stock Dana 20 transfer case found in a lot of Jeeps, Scouts, and Broncos is a sturdy and reliable unit. However, its Low-range gear ratio is only 2.03:1.

What are symptoms of a bad transfer case?

Here we look at some of the more common signs you may find when you have a bad transfer case:

  • Shifting Issues.
  • Hard to stay in 4WD?
  • 4WD Won’t Engage or Disengage.
  • Fluid Puddle Under the Transfer Case’s Location.
  • Strange Grinding, Growling or Humming Noises.
  • Possible Causes of a Bad Transfer Case.
  • So why S&G?

What fluid goes in a 231 transfer case?

Both New Process 231 and 242 transfer cases can safely use 5w30 synthetic engine oil.

Are all NP231 transfer cases the same?

Despite the different nomenclature, they are essentially the same transfer case, with the bulk of their parts interchanging. Chain driven transfer cases were first used in the 1970’s with partial success – Jeep’s Borg Warner QuadraTrac being a notable instance.

What kind of fluid goes in a Jeep transfer case?

Transfer Case Fluid Recommended lubricant for the NV231 transfer case is Mopar Dexron II, or ATF Plus 3, type 7176. Approximate lubricant fill capacity is 1.2 liters (2.5 pints).

Is the Dana 300 a good transfer case?

The Dana 300 is arguably the best factory transfer case offered in a 4-wheel drive. Yes, an NP205 is stronger and is available in either left- or right-hand drop, but it is also heavier and larger and only offers a 1.96:1 low range.

What was the first Jeep transfer case to use?

The Quadra-Trac used a passenger side front and rear output. The Quadra-Trac transfer case was the first Jeep transfer case to use an aluminum case and chain drive. It was also the first Jeep transfer case to use a vacuum selector switch instead of a direct linkage lever.

What’s the difference between Dana and Jeep transfer cases?

Another difference is that the Model 20 transfer cases have the power to the rear axle directly in line with the transmission, while the Dana 18 has the power offset to the passenger side. On all Jeep vehicles 1941-79, equipped with the Dana Spicer 6 spline transfer case, you will have the largest selection available for transfer case adapters.

When did Jeep add the NP231 transfer case?

Jeep soon added the NP231 which replaced the Model 207 in 1987. A Model NP242 was also added for the full time 4WD models. With all of the variations in model numbers, the only variation concerning transmission adaption is the spline count of the transfer case input spline.

What was the reduction ratio on a Jeep transfer case?

These transfer cases have a four position shifter that provides two gear ratios in 4WD, one ratio in 2WD, and a neutral position. Four wheel drive low provides a reduction ratio of 2.03:1 on the Dana 20, and a 2.46:1 on the Dana 18. The controls varied from a dual lever design to a single lever on the later models.