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Re: Cable that runs from the Throttle assembly to the...
That cable tells the transmission the amount of throttle opening. It is important to have it working properly, that is how your transmission gets "passing gear"; from the position of your foot pressing on the gas pedal.
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The alternator wouldn't have anything to do with either of the problems your having ! The key getting stuck in the ignition could be a problem developing with the lock cylinder . Can you turn the key to the off position an then it won't come out ? Or it won't turn to the off position an then not come out ? There are safety devices in place that won't let the key come out if not in gear an foot on the brake pedal etc... electronic an they do fail . Electronic Park Lock (EPL)/Ignition Lock Cylinder Control Actuator:Linear Shift Assembly: If the vehicle is equipped with a column mounted gear shift, it has a linear shift assembly on the steering column. The linear shift assembly has a cable that runs from the linear shift assembly to the ignition lock cylinder case. The purpose of this cable is to prevent the ignition key from being turned to the OFF position when the transmission is in gear and the vehicle may still be moving. The linear shift assembly cable contains a pin that is spring loaded to mechanically prevent the ignition key cylinder from being turned to the lock position when the vehicle transmission is not in the PARK position. If vehicle power is lost, and/or the transmission is not in the PARK position the operator will not be able to turn the ignition key to the lock position and will not be able to remove the ignition key from the column.
Now for the stall at stops , Your vehicle has Throttle Actuator Control (TAC) System ,electronic throttle control or drive by wire ! It is electronical controlled .
There are sensors in the gas pedal an on the throttle body ,they are connected to the PCM/ECM - engine computer with wiring ! There is a DC electric motor on the throttle body , this is what opens the throttle plate . Throttle plates do become dirty with varnish an stuff that can cause idle problems ! There are videos on youtube showing how to clean a throttle plate . How to Clean Throttle Body 2007 Chevy Trailblazer
Check engine light come on ? Any messages on DIC - driver information center , reduced power ,if the vehicle has it . Any other lights lite , yellow wrench symbol . Do you own a scan tool ? a professional grade scan tool , not a code reader . Do you know how to do electrical trouble shooting ? Suggest you go on you tube an check out videos on electronic throttle control .
Throttle Actuator Control (TAC) System Description
The throttle actuator control (TAC) system delivers improved throttle response and greater reliability and eliminates the need for mechanical cable. The TAC system performs the following functions:
• Accelerator pedal position sensing
• Throttle positioning to meet driver and engine demands
• Throttle position sensing
• Internal diagnostics
• Cruise control functions
• Manage TAC electrical power consumption
The TAC system components include the following:
• The accelerator pedal position (APP) sensors
• The throttle body assembly
• The throttle actuator control module
• The powertrain control module (PCM) .I strongly suggest you take it to a ASE certified repair shop
If this 89 Cabriolet has an automatic transmission the part is called a bowden cable (same as accelerator cable) Part number is 010 321 307 A for the cable from the throttle on the engine to the lever on the automatic transmission. Another cable is also attached the this same lever on the automatic transmission going to the accelerator pedal.
All the parts you listed are internal to the transmission. The cable is external - it runs from the shifter lever to the range selector lever on the transmission. Their analysis doesn't sound right though. If the cable is broken, the shifter should move freely as you described. But that (broken cable and bent lever) happened AFTER the problem of the transmission being stuck in reverse. Your efforts to unstick probably bent the shifter and broke the cable. It would seem something was jammed before you tried to get out of reverse, possibly inside the transmission.
No I believe the speed ometer cable is broken.Dissconnect sppedometer cable from instrunent cluster,romove cable from back of speedometer &transmission case .romove speedometer from sppedometer cable housing if broken replace with new & make sure you grease cable when installing back in cale housing reconnect to transmission &back of speedometer.keep posting
SOUND LIKE TRANSMISSION NEED TRANSMISSION FLUID + FILTER CHANGE.THE FRONT BAND NEEDS ADJUSTING.ALSO CHECK YOUR THROTTLE SHIFT CABLE AT THE THROTTLE BODY ACCELERATOR LEVER MAKE SURE ITS NOT MISROUTED OR LOOSE AND CHECK THROTTLE CABLE ON SIDE TRANSMISSION SEE IF ITS BROKEN OUT THE TRANSMISSION. THAT WILL EFFECT UP SHIFTS OR OVER DRIVE YOU NEED THAT CLIMBING A HILL.
I would check the oil level and condition of the oil. The level should ve at the appropriate level on the dipstick, the color of the fluid is red, not brownish, milky or smell burnt.
There is also a TV (throttle valve) cable that connects to the throttle body and runs to the transmission. If the cable is disconnected or broken, not adjusted properly, the transmission will not function properly. So check the cable to make certain it is at least connected.
If the transmission has not been serviced in the past 6 years, it is overdue. You should do a complete oil exchange, which would include the torque converter and radiator cooler and pan filter replacement.
A clogged filter could cause the problem you are having. The oil itself really never wears out but gets dirty and the conditioners in the oil do break down. The fluid change will correct that problem.