High Gearbox Temperature
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Junior Member
Joined: Dec 2010
Posts: 28
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From: France
High Gearbox Temperature
Hi there everybody,
It looks like I have a new question concerning an old problem.
My car (1998 XJ 8) frequently displays a warning message:High Gearbox Temperature. I have seen a few mechanics about it and the most popular diagnosis was an electrical/sensor problem, rather than actual issue with the gearbox.
The rational behind that logic was that if that warning appears and you stop immediately and turn off the engine, only to start it less than a minute later, the warning disappears. If it were a true problem with the gearbox temperature, the sensor should still read an elevated temperature and thus display the same warning after restarting the engine less then a minute later? Would that assumption be correct?
The reason i am asking is that i am about to go on a 500 mils trip. The car drives perfectly normal, so, i guess I am trying to get a fix on what type,of issues i could be facing if this not an electrical/sensor issue.
Imknow that is is a very broad based request, but any pointers or opinions would be greatly appreciated.
Many thanks.
It looks like I have a new question concerning an old problem.
My car (1998 XJ 8) frequently displays a warning message:High Gearbox Temperature. I have seen a few mechanics about it and the most popular diagnosis was an electrical/sensor problem, rather than actual issue with the gearbox.
The rational behind that logic was that if that warning appears and you stop immediately and turn off the engine, only to start it less than a minute later, the warning disappears. If it were a true problem with the gearbox temperature, the sensor should still read an elevated temperature and thus display the same warning after restarting the engine less then a minute later? Would that assumption be correct?
The reason i am asking is that i am about to go on a 500 mils trip. The car drives perfectly normal, so, i guess I am trying to get a fix on what type,of issues i could be facing if this not an electrical/sensor issue.
Imknow that is is a very broad based request, but any pointers or opinions would be greatly appreciated.
Many thanks.
Junior Member
Joined: Jul 2012
Posts: 10
Likes: 0
From: ft lauderdale
high gearbox temp.
By your logic if you turned off the car for a minute and warning still displayed you got a problem.
Fact is you just wont know for sure. Bring it in for tranny servic. It could need fluid, or new harness which holds sensor.
Fact is you just wont know for sure. Bring it in for tranny servic. It could need fluid, or new harness which holds sensor.
Hi there everybody,
It looks like I have a new question concerning an old problem.
My car (1998 XJ 8) frequently displays a warning message:High Gearbox Temperature. I have seen a few mechanics about it and the most popular diagnosis was an electrical/sensor problem, rather than actual issue with the gearbox.
The rational behind that logic was that if that warning appears and you stop immediately and turn off the engine, only to start it less than a minute later, the warning disappears. If it were a true problem with the gearbox temperature, the sensor should still read an elevated temperature and thus display the same warning after restarting the engine less then a minute later? Would that assumption be correct?
The reason i am asking is that i am about to go on a 500 mils trip. The car drives perfectly normal, so, i guess I am trying to get a fix on what type,of issues i could be facing if this not an electrical/sensor issue.
Imknow that is is a very broad based request, but any pointers or opinions would be greatly appreciated.
Many thanks.
It looks like I have a new question concerning an old problem.
My car (1998 XJ 8) frequently displays a warning message:High Gearbox Temperature. I have seen a few mechanics about it and the most popular diagnosis was an electrical/sensor problem, rather than actual issue with the gearbox.
The rational behind that logic was that if that warning appears and you stop immediately and turn off the engine, only to start it less than a minute later, the warning disappears. If it were a true problem with the gearbox temperature, the sensor should still read an elevated temperature and thus display the same warning after restarting the engine less then a minute later? Would that assumption be correct?
The reason i am asking is that i am about to go on a 500 mils trip. The car drives perfectly normal, so, i guess I am trying to get a fix on what type,of issues i could be facing if this not an electrical/sensor issue.
Imknow that is is a very broad based request, but any pointers or opinions would be greatly appreciated.
Many thanks.
Senior Member
Joined: May 2010
Posts: 663
Likes: 107
From: Virginia
probably just a sensor, I wouldn't worry too much about it.
one issue is the car may limit the capability and gear use of the trans when this warning is displayed, I am not sure about that however
as others have said best bet is to replace the necessary wiring and/or have the problem diagnosed when time/funding allows
thank you
one issue is the car may limit the capability and gear use of the trans when this warning is displayed, I am not sure about that however
as others have said best bet is to replace the necessary wiring and/or have the problem diagnosed when time/funding allows
thank you
Joined: Dec 2009
Posts: 13,692
Likes: 9,638
From: Wise County,TX
I have never seen a gearbox with an actual HIGH TEMP.
I HAVE replaced many X308 gearbox internal harnesses for the sensor fault.
The thermistor is part of the harness.
I guess if you were pulling a trailer or really abusing the car you could have an actual high temp.
bob gauff
I HAVE replaced many X308 gearbox internal harnesses for the sensor fault.
The thermistor is part of the harness.
I guess if you were pulling a trailer or really abusing the car you could have an actual high temp.
bob gauff
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