Jeep Select Trac NP 242 Transfer Case Information

The Select Trac option on the Jeep Cherokee gets you the New Process NP 242 transfer case. This transfer case gives the following operating modes: 2wd, 4wd with the center differential open, 4wd with the center differential locked, neutral, and 4wd low range (center differential locked)

The addition of a center differential is the main difference between the NP 242 and the NP 231 or Command Trac transfer case. Without a differential, the 231 transfer case offers only part time four wheel drive mode.

The NP 242 transfer case Full time mode opens the center differential allowing the front and rear axles to rotate at different speeds while still being linked by the transfer case. The end with the least traction will get the most torque. While this mode may have some disadvantages off road where a wheel may loose contact with the ground, it has the advantage of being usable on all paved surfaces. Part Time mode - with the center differential locks can only be used on loose or slick surfaces with out possible damage to the transfer case.

I use full time mode on wet streets, hard packed gravel or dirt, some snow and ice situations and on dry pavement when full acceleration without wheel spin is desirable. I use part time mode on loose gravel, dirt, grass and any off road situation. I use Part time mode when RallyCross racing as well.

I use low range for more control in off road situations or on rough gravel roads when traveling downhill to avoid excessive use of the brakes. I also often use low range when positioning my trailer or other towed equipment when precision placement is needed.

The NP 242 transfer case can be switched between 2wd and either 4wd mode at any speed simply by moving the lever. The switch to low range must be made at very low speed - the Jeep manual says 3 mph.

One common operating problem with the 242 transfer case is that it will stick in 4wd even if the lever is moved to 2wd. Internally, moving the lever loads a spring which then applies force to move the selector fork. If the gears are loaded with torque, the spring will not have enough energy to move the sleeve off the gears. Once torque is removed from the gears, the spring will then move the fork and slide the sleeve of the gears.

Momentarily lifting your foot off the gas will often unload the gears enough to allow the spring pressure to move the fork. On some high mileage units, a wear groove will form on the sleeve or gear causing it to stick longer and may require a couple of changes from loaded to unloaded to get the sleeve to release form the gear.

The Jeep NP 242 is lubricated with Automatic Transmission fluid. The level is checked by removing the upper of the two large plugs on the back of the case. The fluid should be level with the upper plug.

The NP 242 has a slip yoke on the tail shaft. If the drive shaft is damaged or removed, fluid will be lost out the tail shaft. Also this seal is important to maintain in good condition to prevent fluid loss.

The NP 242 is a very versatile transfer case and is my choice for three of my five Jeeps. The full time selection gets frequent use in all of them.

Jeep Select Trac NP 242 Transfer Case Information

Jeep

Jeep Select Trac NP 242 Transfer Case Information

Jeep Select Trac NP 242 Transfer Case Information
Jeep Select Trac NP 242 Transfer Case Information

Jeep

Jeep Select Trac NP 242 Transfer Case Information

Jeep Select Trac NP 242 Transfer Case Information

BestCustomerReview

Sunny Side: 2013 Volkswagen Game Day Video with Jimmy Cliff (Get Happy)

Sunny Side: 2013 Volkswagen Game Day Video with Jimmy Cliff (Get Happy)

Tube. Duration : 1.67 Mins.

Sunny Side: 2013 Volkswagen Game Day Video with Jimmy Cliff (Get Happy)
In this pre-game release video Volkswagen and reggae legend Jimmy Cliff join together to infuse much-needed positivity and good vibes into a world that's become awash with freak-outs, meltdowns, and temper tantrums over just about anything. It's time to get happy. 2.3.13. Join the conversation using #GetHappy and visit www.vw.com to download this exclusive track. Be sure to pick up Jimmy Cliff's new critically acclaimed album REBIRTH, available now! http
Sunny Side: 2013 Volkswagen Game Day Video with Jimmy Cliff (Get Happy)

Sunny Side: 2013 Volkswagen Game Day Video with Jimmy Cliff (Get Happy)

Sunny Side: 2013 Volkswagen Game Day Video with Jimmy Cliff (Get Happy)

Sunny Side: 2013 Volkswagen Game Day Video with Jimmy Cliff (Get Happy)

Jeep Select Trac NP 242 Transfer Case Information

ItemFeatures

Jeep Select Trac NP 242 Transfer Case Information

Jeep Select Trac NP 242 Transfer Case Information
Jeep Select Trac NP 242 Transfer Case Information

ItemOverviews
Jeep Select Trac NP 242 Transfer Case Information

Jeep Select Trac NP 242 Transfer Case Information Specifications

ItemSpecifications
Jeep Select Trac NP 242 Transfer Case Information

Jeep Select Trac NP 242 Transfer Case Information

*** Product Information and Prices Stored: Jeep
ItemPostTime

Jeep Select Trac NP 242 Transfer Case Information

How to Replace the Water Pump on a Jeep Cherokee

A leaking water pump can quickly damage the otherwise very reliable Jeep Cherokee Engine. The water pump can be changed by a home mechanic with some patience and ordinary hand tools.

How to Replace the Water Pump on a Jeep Cherokee

One Direction - Kiss You (Music Video)

One Direction - Kiss You (Music Video)

Video Clips. Duration : 3.07 Mins.

One Direction - Kiss You (Music Video)
Like/Share with friends please :D, Click Here To Laugh! www.youtube.com *ANY COPYRIGHT ISSUE PLEASE MESSAGE ME* -- One Direction - Kiss You (Music Video) One Direction - Kiss You (Music Video) One Direction - Kiss You (Music Video) One, Direction, Kiss, You, Syco, Music, UK, Pop One,...
One Direction - Kiss You (Music Video)

One Direction - Kiss You (Music Video)

One Direction - Kiss You (Music Video)

One Direction - Kiss You (Music Video)

When the Jeep Cherokee water pump seal fails, it will leak from the weep hole in the bottom of the pump. Since this hole is behind the pulley, it is often hard to see where the fluid is coming from. Often a water pump leak will be misdiagnosed as a leaking hose as the fluid runs down and drips off the bottom of the hose.

Jeep

How to Replace the Water Pump on a Jeep Cherokee

Begin by letting the Jeep cool. Remove the radiator cap and make sure there is no pressure in the system.

How to Replace the Water Pump on a Jeep Cherokee

No URL

Remove the electric fan. It unbolts from the header at the top and the bottom sits in two tabs at the bottom of the radiator.

Place a pan under the Jeep to catch the anti freeze and remove the lower radiator hose. Let the system drain. Next, remove the heater hose from the tube attached to the water pump. Be careful with the tube as you will have to reuse it.

Break loose the four bolts that hold the pulley to the water pump but do not remove them. If the tension on the belt does not hold the pulley from turning, use a square section screwdriver between two bolts to hold it while breaking loose each bolt.

Remove the tension of the belt at the power steering pump. On the earlier versions, the whole power steering pump moves. On later ones, there is a separate adjuster pulley. Move the belt out of the way.

Finish removing the bolts and remove the pulley. Now you can access the four pump mounting bolts. These have half inch heads, not 13mm and one bolt is longer than the others.

Remove the two bolts that hold the power steering pump bracket. These are 15mm on some and 9/16 on others.

Now pry the pump away from the block. If this is an original water pump, there will be a pry tab on the top of the pump by the metal pipe. Many aftermarket pumps do not have this pry tab.

Twist the pump out from under the power steering pump bracket and carefully remove it from the Jeep. Place the pump in a vise and remove the metal pipe noting its orientation.

Put some thread sealer on the threads and install the pipe in the new water pump. Turn it until it is aligned the same as the old one was. It should stick straight back from the impeller.

Use some sticky gasket sealer like permatex to hold the gasket on the water pump. Clean the front surface of the block down to bare metal. This is probably the most time consuming part of the whole job. Use a scraper and some chemical gasket remover if needed. The block is cast iron, so you can be aggressive when scraping.

Twist the new pump into place under the power steering pump bracket and seat it into place. Install the four mounting bolts that secure it to the block. Tighten them evenly.

Install the two bolts that hold the pump to the power steering bracket. Install the pulley using a screwdriver to hold the bolts while you tighten them. Make sure the pulley seats squarely on the flange and does not wobble when you spin it round.

Install the belt and set it to the proper tension. Reinstall the lower radiator hose and tighten the clamp. Leave the upper hose off for the moment.

Fill the system with a mixture of antifreeze and water appropriate for your climate. I use 50/50. Fill until the fluid comes out the heater hose or the metal line. Reinstall the hose and continue to fill the system. Most Jeeps hold about two gallons when the water pump is removed.

Check for leaks and then install the electric fan. Tilt it into place and engage the lower tabs. Then install the two bots at the top. Connect the control wire.

Start the engine and check the belt tension and check for leaks. Recheck the coolant level after the engine has been heat cycled.

How to Replace the Water Pump on a Jeep Cherokee

Jeep

ItemTitle

ItemTitle
ItemMediumImageUrl

BestCustomerReview

[if ItemFeatures]

One Direction - Kiss You (Music Video)

One Direction - Kiss You (Music Video)

Tube. Duration : 3.07 Mins.

One Direction - Kiss You (Music Video)
Like/Share with friends please :D, Click Here To Laugh! www.youtube.com *ANY COPYRIGHT ISSUE PLEASE MESSAGE ME* -- One Direction - Kiss You (Music Video) One Direction - Kiss You (Music Video) One Direction - Kiss You (Music Video) One, Direction, Kiss, You, Syco, Music, UK, Pop One,...
One Direction - Kiss You (Music Video)

One Direction - Kiss You (Music Video)

One Direction - Kiss You (Music Video)

One Direction - Kiss You (Music Video)

ItemTitle

ItemFeatures

ItemTitle

[endif]
[if ItemOverviews]
ItemTitle
ItemTitle

ItemOverviews
ItemTitle
[endif]
[if ItemSpecifications]

ItemTitle Specifications

ItemSpecifications
ItemTitle
[endif]

ItemTitle

*** Product Information and Prices Stored: Jeep
ItemPostTime

ItemTitle