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#1
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93ZJ - 4 wheel drive switch + bad coolant sersor
Hi Folk,
In my 93 V8 ZJ, the following error messages flash in and out the VIC once a while. 1, Service 4 wheel drive switch, and 2, bad coolant sersor I don't notice if I have a 4 wheel drive switch?! I only have 4hi and 4lo. Since they flash in and out, does it indicate a bad connection @ somewhere? Any input is welcome. Thanks in advance Paul |
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#2
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93ZJ - 4 wheel drive switch + bad coolant sersor
Bogey Buster wrote:
> Hi Folk, > > In my 93 V8 ZJ, the following error messages flash in and out the VIC > once a while. > > 1, Service 4 wheel drive switch, and > 2, bad coolant sersor > > I don't notice if I have a 4 wheel drive switch?! I only have 4hi and > 4lo. Since they flash in and out, does it indicate a bad connection @ > somewhere? You have the Quadratrack transfer case. Problem is the sensor is internal to the xfr case. I'd remove/clean/reinstall the connector first. It's an oval 4pin located on the transfer case. not too easy to get at though. On the bright side, the 4wd and coolant sensor errors are not critical providing the range selection is correct, the fluid has been changed regularly, and you keep an eye on the overflow bottle so the level is between fill and add with the engine at operating temp. As for 2, clean the contacts on the sensor that is on the coolant reservoir, it's likely a bit corroded. -- -- DougW -- 93 ZJ 4.0 http://revbeergoggles.com HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors Banks Header - and BEER, in the fridge! |
#3
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93ZJ - 4 wheel drive switch + bad coolant sersor
"DougW" > wrote in message ... > Bogey Buster wrote: >> Hi Folk, >> >> In my 93 V8 ZJ, the following error messages flash in and out the VIC >> once a while. >> >> 1, Service 4 wheel drive switch, and >> 2, bad coolant sersor >> >> I don't notice if I have a 4 wheel drive switch?! I only have 4hi and >> 4lo. Since they flash in and out, does it indicate a bad connection @ >> somewhere? > > You have the Quadratrack transfer case. Problem is the sensor is > internal to the xfr case. I'd remove/clean/reinstall the connector > first. It's an oval 4pin located on the transfer case. not too easy > to get at though. > > On the bright side, the 4wd and coolant sensor errors are not > critical providing the range selection is correct, the fluid > has been changed regularly, and you keep an eye on the overflow > bottle so the level is between fill and add with the engine at > operating temp. > > As for 2, clean the contacts on the sensor that is on the > coolant reservoir, it's likely a bit corroded. If it is the same sensor used on the WJ... When I got the error I just disassembled and cleaned it really well in the basement and reinstalled it. Been working fine for almost 2 years now. Sensor in the WJ fits into the expansion tank. http://s112.photobucket.com/albums/n...lantandTee.jpg |
#4
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93ZJ - 4 wheel drive switch + bad coolant sersor
billy ray wrote:
> "DougW" > wrote in message > ... >> Bogey Buster wrote: >>> Hi Folk, >>> >>> In my 93 V8 ZJ, the following error messages flash in and out the >>> VIC once a while. >>> >>> 1, Service 4 wheel drive switch, and >>> 2, bad coolant sersor >>> >>> I don't notice if I have a 4 wheel drive switch?! I only have 4hi >>> and 4lo. Since they flash in and out, does it indicate a bad >>> connection @ somewhere? >> >> You have the Quadratrack transfer case. Problem is the sensor is >> internal to the xfr case. I'd remove/clean/reinstall the connector >> first. It's an oval 4pin located on the transfer case. not too easy >> to get at though. >> >> On the bright side, the 4wd and coolant sensor errors are not >> critical providing the range selection is correct, the fluid >> has been changed regularly, and you keep an eye on the overflow >> bottle so the level is between fill and add with the engine at >> operating temp. >> >> As for 2, clean the contacts on the sensor that is on the >> coolant reservoir, it's likely a bit corroded. > > If it is the same sensor used on the WJ... When I got the error I just > disassembled and cleaned it really well in the basement and > reinstalled it. Been working fine for almost 2 years now. > > Sensor in the WJ fits into the expansion tank. > http://s112.photobucket.com/albums/n...lantandTee.jpg probably the same. http://revbeergoggles.com/Fixes/sensor-coolant.jpg -- DougW |
#5
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93ZJ - 4 wheel drive switch + bad coolant sersor
Hi Everyone,
Thank you for your input. I did a throughout car wash last weekend. I also cleaned the connectors. The error messages did not re-appear ... for the last short while. I still keep my fingers crossed. Thanks again Paul "Bogey Buster" > wrote in message news:vpVTh.69111$DE1.4641@pd7urf2no... > Hi Folk, > > In my 93 V8 ZJ, the following error messages flash in and out the VIC once > a while. > > 1, Service 4 wheel drive switch, and > 2, bad coolant sersor > > I don't notice if I have a 4 wheel drive switch?! I only have 4hi and 4lo. > Since they flash in and out, does it indicate a bad connection @ > somewhere? > > Any input is welcome. > > Thanks in advance > > Paul > |
#6
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93ZJ - 4 wheel drive switch + bad coolant sersor
Bogey Buster wrote:
> Hi Everyone, > > Thank you for your input. > > I did a throughout car wash last weekend. I also cleaned the > connectors. > The error messages did not re-appear ... for the last short while. I > still keep my fingers crossed. My experience on the 93 is that most problems can be solved by cleaning connectors. Especially the ABS light coming on when you hit bumps. That's caused by the crappy location they chose for the ABS computer. The connector accumulates road debris and rain from the hood drain. Thankfully it's easy to clean. Don't forget to keep the Idle Air Passage in the trottle body clean. That causes rough idle. -- -- DougW -- 93 ZJ 4.0 http://revbeergoggles.com HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors Banks Header - and BEER, in the fridge! |
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