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90 zr 1

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  • Bill M.
    Extremely Frequent Poster
    • July 31, 1989
    • 1324

    90 zr 1

    Can anybody tell me if the tire pressure sensors in a 90 ZR 1 are the same as a standard corvette?
    thanks Bill
  • Eric J.
    Very Frequent User
    • March 1, 1980
    • 771

    #2
    Re: 90 zr 1

    Yes they are.

    Comment

    • Bill M.
      Extremely Frequent Poster
      • July 31, 1989
      • 1324

      #3
      Re: 90 zr 1

      Eric Sorry for the delay. thanks

      Comment

      • Joe L.
        Beyond Control Poster
        • February 1, 1988
        • 43221

        #4
        Re: 90 zr 1

        Originally posted by Bill McMorrow (15609)
        Eric Sorry for the delay. thanks

        Bill------


        You don't want to need any of these sensors. The one for each wheel is different and all are GM-discontinued. A lot of these are damaged when some klutz mounting or de-mounting tires fails to take appropriate precautions.
        In Appreciation of John Hinckley

        Comment

        • Bill M.
          Extremely Frequent Poster
          • July 31, 1989
          • 1324

          #5
          Re: 90 zr 1

          Joe you mean they are not needed? This is my friends ZR1. My sons CTS V traction control went nuts when 1 of his sensors failed

          Comment

          • Kenneth P.
            Expired
            • November 17, 2015
            • 151

            #6
            Re: 90 zr 1

            I don't believe there is a way to disable the LTPMS from what I have read. There are many used and NOS sensor out there with some at reasonable prices. The previous owner of my 1990 had all 4 replaced by the tire company when the young technician failed to read the warning labels on the rim and broke all 4. Needless to say the tire company lost on that sale.

            Comment

            • John D.
              Very Frequent User
              • June 30, 1991
              • 875

              #7
              Re: 90 zr 1

              Just checked the GM parts system and as joe said they are all discontinued. FWIW here are the part numbers:

              10098494 right front
              10098495 left front
              10098496 right rear
              10098497 left rear

              Comment

              • Pat M.
                Extremely Frequent Poster
                • April 1, 2006
                • 1575

                #8
                Re: 90 zr 1

                There was a good Restorer article detailing how any sensor could be altered so that it would function at any position. The text of that article can be found in this thread:

                https://www.forums.ncrs.org/showthre...essure+monitor

                Comment

                • Bill M.
                  Extremely Frequent Poster
                  • July 31, 1989
                  • 1324

                  #9
                  Re: 90 zr 1

                  John

                  thanks I guess just have to hunt for them why in gods name are they different for each wheel? Just missed 4 in the driveline.

                  Bill

                  Comment

                  • Kenneth P.
                    Expired
                    • November 17, 2015
                    • 151

                    #10
                    Re: 90 zr 1

                    There is this post on the Corvette Forum. He has 3 of them FS (RF, LF, RR) and from the looks of it he is open to best offer. (Note; I am not connect to this person or his post).

                    C4 Parts for Sale/Wanted - C4 Zr1 parts for sale - I recently purchased a 1990 Zr1 with 43k original miles. I inherited a bunch of extra parts for the car and I will making a list of everything and updating it as I get a chance. All these parts are in perfect working condition unless otherwise stated. If you have any...


                    Ken

                    Comment

                    • Joe L.
                      Beyond Control Poster
                      • February 1, 1988
                      • 43221

                      #11
                      Re: 90 zr 1

                      Originally posted by Bill McMorrow (15609)
                      Joe you mean they are not needed? This is my friends ZR1. My sons CTS V traction control went nuts when 1 of his sensors failed
                      Bill-----

                      No, I did not mean they are not needed. I just meant that you don't want to need any since they are GM discontinued and expensive if you can find any.
                      In Appreciation of John Hinckley

                      Comment

                      • Joe L.
                        Beyond Control Poster
                        • February 1, 1988
                        • 43221

                        #12
                        Re: 90 zr 1

                        Originally posted by Bill McMorrow (15609)
                        John

                        thanks I guess just have to hunt for them why in gods name are they different for each wheel? Just missed 4 in the driveline.

                        Bill
                        Bill------

                        They have to be position-specific so that the computer knows which wheel is low pressure. Some cars use a system that only tells the driver that one of the tires is low but I believe the C4 Corvette system tells which tire is low.
                        In Appreciation of John Hinckley

                        Comment

                        • David K.
                          Very Frequent User
                          • September 30, 1979
                          • 241

                          #13
                          Re: 90 zr 1

                          Bill, make sure you get the big hose clamp that holds them on the wheel. The link in post #8 talks about a tap test. Do that before you have them mounted and balanced.

                          Comment

                          • Pat M.
                            Extremely Frequent Poster
                            • April 1, 2006
                            • 1575

                            #14
                            Re: 90 zr 1

                            Originally posted by Joe Lucia (12484)
                            Bill------

                            They have to be position-specific so that the computer knows which wheel is low pressure. Some cars use a system that only tells the driver that one of the tires is low but I believe the C4 Corvette system tells which tire is low.
                            Joe, my 96's information center simply says "Low/Flat Tire", without indicating which tire it is, and, as far as I know, there's no other way to tell. And the owner's manual simply says if the light comes on, check all four tires. So I also have wondered why the sensors are different.

                            Comment

                            • Joe L.
                              Beyond Control Poster
                              • February 1, 1988
                              • 43221

                              #15
                              Re: 90 zr 1

                              Originally posted by Pat Moresi (45581)
                              Joe, my 96's information center simply says "Low/Flat Tire", without indicating which tire it is, and, as far as I know, there's no other way to tell. And the owner's manual simply says if the light comes on, check all four tires. So I also have wondered why the sensors are different.

                              Pat------


                              I guess my belief that the system indicated the specific tire is incorrect. I always thought that was the reason for the different sensors. So, now I don't understand either why there are different sensors. I have no personal experience with the system as I did not order it on my 1992. I just figured it was the kind of thing that would probably cause me more grief than benefit. ZR1 owners didn't have the option, though.
                              In Appreciation of John Hinckley

                              Comment

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