Late shift when cold 2000 xj 4x4 auto trans - JeepForum.com
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post #1 of 7 Old 05-02-2021, 11:22 PM Thread Starter
CLASSIC2000MST
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Late shift when cold 2000 xj 4x4 auto trans

Transmission shifting problems..

2000 cherokee classic xj auto trans. 4x4 350k miles.

Most often when cold, will not shift out of 1st gear for a block or two.... Even if rpm is up to 3000.. Clears after couple blocks.

Most often when cold, initial shift from park to drive is very hard and abrupt.

Most often when cold slight clicking sound as if gear is not being lubricated fully ... Ends after driving a few blocks.

Fluid does not smell burnt. Looks to be proper level.

Thoughts?

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post #2 of 7 Old 05-03-2021, 04:57 AM
CJ7-Tim
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Adjust the the throttle valve cable on the throttle body, (often incorrectly called the kickdown cable). Test the Throttle Position Sensor, the TPS data is used used by the Transmission Control Unit for shifting. Test the transmission shift solenoids.

If you are not certain the trans fluid is the recommended Dexron-III/Mercon, you should perform a complete fluid exchange. DO NOT get a power flush.

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post #3 of 7 Old 05-03-2021, 07:21 AM
superj
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yup, something is not right because we have the same mileage on our Cherokee and it shifts perfectly. my wife still drives it to and form work each day

the xj is the only jeep left in the driveway
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post #4 of 7 Old 05-10-2021, 09:26 PM Thread Starter
CLASSIC2000MST
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Many many thanks for the input..... I replace the throttle position sensor and it appears to have solved the late shifting problem.... and the engine is running noticably smoother.

So it appears my fear about having to get a new transmission was premature.
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post #5 of 7 Old 05-11-2021, 06:41 AM
cruiser54
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Drain and refill per Tim's suggestion anyway.

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post #6 of 7 Old 05-17-2021, 06:00 PM
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when i got my xj i did simple drain and fill 3 times in 3 months. its been great, but im reminded, i should treat it good as it treats me, do it again...its cheap... love my jeeps...
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99wj, 150,000 miles
00xj ,189,000 miles
10hummer3,76,000 miles
98xj, 133,000 miles
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post #7 of 7 Old 05-17-2021, 06:03 PM
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This^^ and TV cable adjustment.

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