Transmission Shift
#1
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Are there any recommended services for the 95 4.0L ZF transmission? I seem to detect the 1st/2nd shift is not as firm as it was. Also is it normal for the transmission to feel like a standard trans when you take your foot off the go fast pedal. By that I mean the engine drag slows the car more so than any other automatic I have driven. Our XJ8L does not have the transmission drag like our XJS does. I feels like the torque converter lock up does not release with power off. This may be contributing to my gas millage being only 16.5.
#2
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Servicing that trans is simple and not requiring any special tools, or fluid.
Most, including me, now use synthetic fluid in them, and with a few "drop and refill" processes, the trans will sweeten up nicely.
Not too familiar with the 4HP24 lockup system, but the 4HP22 in mine is a mechanical lockup, and purely on/off related to speed, in my case 82KPH.
The off throttle retardation of our X300 is significantly better than the S Type.
If the lockup is not "un-locking" you will have engine stall at the traffic lights, and dont laugh, that does happen to these, read about it many times.
Poorish mileage may be many things, and a trans not performing properly, may be only one of them.
Most, including me, now use synthetic fluid in them, and with a few "drop and refill" processes, the trans will sweeten up nicely.
Not too familiar with the 4HP24 lockup system, but the 4HP22 in mine is a mechanical lockup, and purely on/off related to speed, in my case 82KPH.
The off throttle retardation of our X300 is significantly better than the S Type.
If the lockup is not "un-locking" you will have engine stall at the traffic lights, and dont laugh, that does happen to these, read about it many times.
Poorish mileage may be many things, and a trans not performing properly, may be only one of them.
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Rlover
XJ XJ8 / XJR ( X308 )
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03-30-2016 10:04 PM
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