Question about 2003 Chevrolet Blazer

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I need to change the oil in the transfer case but i dont know what kind to use or how much.

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Your transfer case does not use regular motor oil..it will use gear oil which can be purchased at any local parts store or even wal-mart (most part stores can tell you how much you need to add to the unit but a good rule of thumb is add the gear oil until it starts to drip out the fill/check hole..

Posted on Jul 30, 2009

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I have a 2002 hyunda sante fe 2.7ltr auto and the seal between the auto and the transfer case is leaking. I know its the transfer case becaust the oil is thick. Any help would be appreciated


Good Day Sir. I recommend to thoroughly check your TC and A/T system of where the oil is really from and if u know how to do it, its kind of hard making the system drop. I guess the parts u need to replace are only the oil seal and gasket.
Hope it help.
God Bless.

Sep 18, 2016 | 2002 Hyundai Santa Fe

3 Answers

Where do i find my transfer case and what fluid does it use


1. Be sure to run your car (in 4WD) for about 5-10 minutes or so to warm the oil up and be sure to park on a level ground.First we need to gather our materials. This is what I used for my oil change:Initial expenses
  • Oil Catcher - $10 at Pep Boys
  • Fluid Pump - $5 at Pep Boys
  • 24mm wrench or ratchet (assumed ownership)
  • 12mm? and 14mm? sockets to remove skidplate
Transfer Case Change Expenses
  • 3 Qt 75W90 Gear Oil - $21
  • (I used Redline from myoilshop.com)
tcase1-nggid03733-ngg0dyn-320x240x100-00f0w010c010r110f110r010t010.jpg 2. Locate the Transfer Case.
Remove the Fill Hole plug first, then place your oil catcher in position, and remove the drain hole plug.
While the oil drains, clean off the drain plug.
tcase2-nggid03734-ngg0dyn-320x240x100-00f0w010c010r110f110r010t010.jpg
3. When finished draining, replace the drain plug, and proceed to pump the fluid into the fill hole.
I filled until the fluid overran, but you can check the fluid by sticking a pinky into the hold and checking the level.
Replace the fill hole plug, and done.
tcase3-nggid03735-ngg0dyn-320x240x100-00f0w010c010r110f110r010t010.jpg

Oct 10, 2014 | 2000 Mitsubishi Montero Sport

1 Answer

What do i need to do when my jeep says perform service. i dont know what kind of service?


Usually means just an oil change. All other services are determined by the manual as far as transmission, transfer case and differential service intervals.

Jan 03, 2012 | 2000 Jeep Grand Cherokee

1 Answer

Is differential & transfer case flush good idea at 95,600 miles?


You should have the trans., transfer, and diff. serviced, if you got an owners manual it will tell you in there at what intervals or the milage it should be done at,mostly around 35 to 50.000 you got that kind of milage on it and its never been done you better do it, the oils do break down and don't last forever, it could cost you more in the long run.

Aug 10, 2009 | Chevrolet TrailBlazer Cars & Trucks

3 Answers

What kind of oil do I put into the transfer case? Is that why the computer keeps saying check 4 wheel drive?


no, DO NOT use gear oil. The transfer case uses the same type of automatic transmission fluid that the transmission uses. Is the display saying "service 4x4 switch"? If so it is common and the 4WD indicator light switch is bad and needs replaced. It's only purpose is to tell the driver info center what 4 wheel drive mode the transfer case is in. This switch will not affect the function of the 4 wheel drive. The correct fluid for the transfer case is +4 automatic transmission fluid.

Jul 18, 2009 | 1993 Jeep Grand Cherokee

1 Answer

Want to change my transfer case oil and want to know how much oil


Your transfer case is probably an NV241HD and it will take 3.25 qts. I would put in Amsoil, Royal Purple, or Mobil 1, I have used these products and have no problems with them.

Jun 30, 2009 | 2001 Dodge Ram 2500 Truck

1 Answer

4x4 transfer case oil change for 2007 Chevy Tahoe


Go buy the chevrolet shop manual for the truck. Its worth every penny in the long run and will save you thousands by not going to the dealer for everything, because they consult the shop manual. make sure your tranny doesnt share fluid with your transfer case, you could over fill or underfill it easily.

Jun 03, 2009 | 2007 Chevrolet Tahoe

2 Answers

What kind of fliuds do i use


I worked from the assumption that you have the 5.4L V8 since you did not specify, if this is incorrect then let me know and I'll see if anything changes.

Front Differntial - You can use 80W-90 or 75W-90 but 80W-90 is preferred. It holds just under 2 quarts.

Rear Differential - This calls for 75W-140. It holds just under three quarts for the 8.8, 9 & 9.75 Ring Gear differentials. For the 10.25 Ring Gear differential it takes 3.5 quarts.

I know on the Rear Differential there was some kind of issue with chattering using anything other than the 75-140 and I dont know if they had that cleared up for the 2005 model year or not.

Transfer Case uses Automatic Transmission fluid and I would HIGHLY recommend using a fully synthetic transmission fluid that meets the MERCON V spec at a minimum (Ford uses MERCON, GM uses Dexron). The transfer case takes two quarts to fill. But when Ive serviced these in the past, Ive used an extra quart just to pump it in and drain it out so that it flushes things through, then use the remaining two quarts to fill it up.

Good Luck.

Jan 03, 2009 | 2005 Ford F-150

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