This happened three times. When going up a hill, the car automatically shifted into 3rd and bam..the odometer quit working and the car would not shift out of 3rd. Drove home slowly in 3rd gear... I was told it was a fuse. Replaced .50 fuse twice. Then car would not start the 3rd time.. Now is sits at the dealer who wants to replace at least two of the three harenesses at the tune of $3900. and then says the 3rd may need to be replaced for another $500. plus labor. It is a great looking 2002 PT and the low Blue book in not much higher than these repairs. ANY suggestions?
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Re: fuses went bad
Hi this transmision works electronic and if it cant read the speeed it will not shift properly your car may have a defective ignition swith or a short that is blowing that fuse ,have this checked before you spend all that money,GOOD LUCK.......
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When synchros go bad they will NOT cause a vibration. They will make a kerchunk noise when you try to shift to that gear. I know. I rebuilt my transmission (Type: W59) because of bad synchros in 2nd gear.
I would look for bad U-Joints, or a bad carrier bearing. This could also happen if you went to a tire size larger than 31x10.5. The 2.7L 3RZ doesn't produce enough HP to run 33's. It will bog down on a hill in 3rd. You could also have some bad half-shafts up front. If you keep the hubs locked they may be dragging you down.
I am no Honda expert, but a similar problem happened to my ex sister in-laws Ford Taurus. The speed odometer would jump around and it had trouble shifting (automatic transmission). After driving it I changed out the speed odometer sensor on the transmission and it's been fine ever since. I changed out the sensor because if the cars computer cannot tell how fast the car is traveling then fail safes in place go into effect and the computer will do it's best to keep the cars rpm's down based on the speed indicator and not let it shift or shift properly either. If it's getting false speeds then it will shut down the motor when the speed gets to high and allow it to run as the speeds fall (jumping speed odometer needle). It effects the transmission shift points also. It will either shift erratically or not shift out of say 2nd gear, so that the cars engine can't get damaged based on what signal the speed sensor is sending the computer.
Check transmission fuse its the one labeled PRNDL or similar.Use a test light when you check it by the way.If the fuse is good then its probaly your ignition switch failed.If that fuse is bad or the ignition switch is not suppling power to that fuse your tack,speedo,and gear indicator wont work, and your transmission will go into a safe mode.Safe mode is just the transmission staying in 3rd gear all the time until you fix this.
If you haven't replaced the transmission fluid recently then now is the time. If the fluid is burnt, the transmission tends to fail specially on hot temp. Please do check the transmission fluid first as a first course of action.
YES the speed sensor is first to check, but dont just go buy one and put it in. does the odometer work? if so, its getting a signal. The insrument clusters are common to fail, ususally a cracked solder joint in the circuit board. it will need to be removed and resoldered. if the odometer does not work, then check and verify that the spped sensor is indeed not putting any signal to the dash.
If you have the selector in "2", it will not make the final 2 shifts. "2" is nice for descending very steepo hills slowly, and also is nice to use coming down hills when it is icy/snowy, the engine will slow down in "2", and you will not have to depress the brake pedal.
there is a speed sensor on the top of the rear differential. either the sensor is bad or it has become unplugged. when the truck doesnt know how fast it is going, the trans goes into "limp mode" to protect itself...whic causes it to shift hard and if u look you'll notice the o/d light is blinking