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Transmission fluids change

Tiny
LYNDA LANE RUWWE
  • MEMBER
  • 2002 JEEP LIBERTY
  • 3.7L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 168,000 MILES
There is a bad rattle coming from bottom of transmission pan. I am fixing to drop the transmission pan to change the filter and clean out what is rattling in the bottom of pan. Question is, should I use ATF full synthetic or regular transmission fluid back in my Jeep? I keep getting told if I use synthetic it is better for my transmission. What would you use?
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Monday, February 4th, 2019 AT 10:26 PM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I posted below what fluid is recommended for your Jeep.

You could change to synthetic but the issue is you must do complete exchange as you should not mix regular with synthetic.

The torque converter holds about six quarts. You would need an exchange machine to complete this task if you have one.

I would just stick with the recommended fluid.

Roy

Fluid Types
Automatic Transmission Fluid. Mopar ATF +4, Type 9602

Capacities
45RFE - AUTOMATIC TRANSMISSION

Service Fill. 10 pints (4.73L)

Overhaul Fill. 28 pints (13.33L)
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Tuesday, February 5th, 2019 AT 4:44 AM
Tiny
LYNDA LANE RUWWE
  • MEMBER
  • 4 POSTS
Thank you.
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Tuesday, February 5th, 2019 AT 11:35 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You're welcome.

Always glad to help.

Roy
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Wednesday, February 6th, 2019 AT 12:28 AM

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