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Unread 07-13-2005, 07:35 PM   #1
subaruboy
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2000 TJ Wrangler 
 
Join Date: Mar 2005
Location: Virginia Beach
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Stupid Haynes Mistake... need suggestions

OK... not sure if this is in the correct place, but there isn't a transmission/transfer case forum...

I'll quote the Haynes Jeep CJ/YJ/TJ repair manual on transfer case fuild change:

"Drive the vehicle for at least 15 minutes in stop and go traffic to warm the lubricant in the case. Perform this warm-up procedure in 4WD. Use all gears, including Reverse, to ensure the lubricant is sufficiently warm to drain completely."

Now, knowing that the quadratec system can't be used on dry pavement... I imagine someone attempting to change the t-case fluid and following this manual to a T would be pretty pissed when they ripped apart their t-case attempting to warm the fluid.

Any suggestions? Do I really need to put it in 4WD for a little while before chaning the fluid (obviously I would go drive around in the dirt for a little while)?

Thx for the info.

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Unread 07-15-2005, 10:50 AM   #2
digibus
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Join Date: Apr 2005
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These are the steps I have always followed (you will definately want to get the fluid warm or it will not completly drain):

1. Make sure the fluid is warm. Warm up the car so the transmission is at normal
operating temperature. Pull the transmission dipstick (located near the firewall in
most cars). Fresh fluid is translucent and cherry red. Some darkening is normal,
but if it is reddish brown or mustard color and smells like burnt varnish, it is worn
out.
2. Drain the fluid by loosening the pan. Select the correct Hastings filter
replacement based on pan shape and prepare a large pan to catch the fluid. Then
loosen each pan bolt a turn or two and loosen one corner more than rest. Drain
mostly from this corner.
3. Finish removing the pan and any gasket material from the pan or case. Avoid
scratching the metal and make sure the pan’s gasket surface isn’t bent or distorted.
4. Remove the old filter. Most transmission filters are held in place with a bolt or
two, but some are held by a clip. Be careful to include O-Rings or other seals.
5. Install a new filter. Use the clips or bolts from the old filter. Be sure O-Rings,
etc. are in place. If the filter has a long intake neck, gently push the neck into
place without unseating the O-Ring.
6. Clean the pan thoroughly. Inspect the pan before cleaning. A small amount of
fine grey clutch dust is normal. However, if you find metal shavings, there has
been transmission damage. Clean the pan with solvent and wipe dry so there is no
harmful residue.
7. Position gasket on pan. Some gaskets have four holes slightly smaller than the
rest to allow four bolts through the pan and through these smaller holes to hold
the gasket in place.
8. Hand tighten pan bolts in a criss-cross pattern. After that, use a torque wrench to
tighten bolts to proper ft-lbs. as per manufacturer.
9. Refill the transmission using only the amount shown as “refill capacity” in the
owners manual or AMSOIL Product Selection Guide”, using the type of fluid
specified for the vehicle.
10. If doing only a partial fluid replacement, skip to instruction 12 below. If doing a
complete fluid replacement, follow the steps in instruction 11.
11. You now have replaced the fluid in the pan. To replace the fluid in the torque
converter and oil cooler also, follow these steps.
Step 1. Obtain the total system capacity of the vehicle
manufacturer or AMSOIL. Have this amount
readily available.
Step 2. Disconnect the oil cooler line from the oil cooler. As
you may not know which is the pressure side and
which is the return side, have both directed so the
stream of fluid will be directed toward a receptacle.
Step 3. With another person, be prepared to add ATF to the
fill area as it is being pumped out of the oil cooler
line.
Step 4. Start the engine, and as the old fluid is pumped out,
add fresh fluid to the pan.
Step 5. When either the fluid color brightens or the total
capacity has been replaced, shut the engine off and
re-attach the oil cooler line. All fluids have now
been changed.
12. Recheck the fluid level. With the car on level ground, set the parking brake and the
transmission in “Park” or “Neutral.” Let the engine idle for a few minutes. Shift
the transmission into different positions before returning the lever to “Park” or
“Neutral.” Check the fluid level again and check for leaks.
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Unread 07-17-2005, 11:47 PM   #3
subaruboy
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2000 TJ Wrangler 
 
Join Date: Mar 2005
Location: Virginia Beach
Posts: 479
thanks for the info!
__________________
00 Jeep TJ SE Amberfire Pearl- Sold :'(
87 Yota Pickup
92 Yota Paseo- 279K miles
05 PBM M6 GTO
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