Question about 2002 Chrysler PT Cruiser

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I have a 2002 pt cruiser that will not shift into the next gear and the speedometer is not telling you have fast your going. I changed out the input output sensors and no change in these problems.

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  • 92 Answers

Check the ground connections (black wires) attached to the car's sheet metal under the hood and near the main computer (wherever it is located). Bad ground connections (loose, rusty, etc.) can sometimes cause problems like these.
If that doesn't work, use a voltmeter to determine if power is being supplied to the sensors when the ignition is turned on.
--If yes, it's either a problem with the wiring/connections from the sensors back to the main computer, or a problem with the computer itself (somewhat unlikely).
--If no, either buy a repair manual for your specific year/model or visit a model-specific forum and see if you can find a wiring diagram. That should tell you where the power to the sensors is supposed to be coming from -- the computer or another source. Tracing those wires/connections will hopefully identify the problem.

Posted on Jul 30, 2019

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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localwonder

Michael Masters

  • 6784 Answers

SOURCE: Change the thermostat on 2002 Chrysler PT Cruiser

Hi, i have put together a step by step guide that will help you with this replacement job. Make sure the vehicle is in a cool state before starting this job.


* Drain some coolant into a clean container until the coolant level is below the thermostat housing.
* Remove the upper radiator hose connection from the thermostat housing.
* Loosen the housing bolts and remove the housing.
* Remove the gasket and scrape it carefully from the surface of the housing and the mounting surface on the engine. If the gasket remains on either of the surfaces, there will probably bea coolant leak after reassembly. Some engines use a rubber O-ring to seal a thermostat housing.
* Compare the size of the thermostat to the old one. They are of different sizes, types, and temperature ratings.
* The temperature rating is stamped on the sensing bulb on the bottom of the thermostat. The temperature bulb faces the block.
* When replacing a thermostat, be sure that the thermostat fits into the groove in the block or outlet housing. If the thermostat is installed upside down, the engine will overheat.
* Install the gasket.
* Reinstall the thermostat housing. Refill the system and run the engine or pressure test to check for leaks.
* When the engine has reached operating temperature make sure the thermostat opens.
* You should be able to see coolant circulating within the radiator.
* Another way of checking thermostat operation is to feel the top of the radiator hose or use a thermometer or multimeter with a temperature probe to confirm that the coolant is warming up.
* If the engine is overheating, but the top hose is still cool to the touch, the thermostat is stuck closed and must be replaced.

NOTE
When a paper gasket is used and the recess is in the thermostat housing, it is a good practice to position the thermostat into the recess and glue the gasket to hold it in place. If it falls out of its groove during installation, the outlet housing can be cracked or a coolant leak will result. Before tightening the water outlet housing, try to rock it back and forth to be sure it is flush. Housings are often cracked during this step.


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Posted on Apr 30, 2009

Robert Debison

  • 412 Answers

SOURCE: 2002 PT Cruiser fuel pump and filter

FUEL PUMP IS LOCATED IN FUEL TANK..FILTER IS LOCATED ON TOP OF PUMP MODULE..A NEW PUMP WILL NORMALLY COME WITH THIS FILTER..YOU MUST REMOVE FUEL TANK FROM VEHICLE TO REPLACE THESE COMPONENTS..IF YOUR NOT SURE YOU CAN DO THIS,I WOULD TALK TO A REPAIR SHOP..FUEL CAN BE VERY DANGEROUS

Posted on Jun 23, 2009

Molson02536

Harvey N Tawatao

  • 3854 Answers

SOURCE: p0700 p0720

Check the wire harness, make sure there are no breaks or crushed wires. Also check the wire harness to the TCM, look for any loose connections. Good luck and keep me posted. Be glad to help. 

Posted on Jun 30, 2009

Molson02536

Harvey N Tawatao

  • 3854 Answers

SOURCE: where is the input speed sensor 2002 pt cruiser

The input speed sensor is just under$30.00 at the dealer and it should take you less time to replace it then to find it. The sensor is on the transmission under the battery tray closes to the engine. There are two sensors and the other one is the vehicle velocity sensor which is the one furthest from the engine block. Your going to need a 1' socket to remove the sensor and extension and a swivel. Find the solenoid pack connector on the transmission which is under the battery tray and right above that should be the input sensor. Un-clip the wire lead to the sensor and remove the sensor, install new sensor and re-clip the wire lead and re-install anything you need to remove to get to the sensor. Good luck and keep me posted, it may be easier to go from the bottom of the cruiser.

Posted on Nov 04, 2009

Testimonial: "i am in the bahamas and your info was excellent right on the money"

murday831

  • 1 Answer

SOURCE: where is the shift solenoid pack located on a 1997

1997 dodge truck 4x4 shifts good when cool but not when warms up, is it the shift solenoid?and how much is it too fix it?

Posted on Jul 17, 2010

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1 Answer

2002pt cruiser have changed all 3motor mounts and the transmission out put sensor still will not shift out of first gear


Shift solenoid problem , your best bet would be to take your vehicle to a qualified repair shop an have it diagnosed . This is more then likely an electronic problem . Have diagnostic scan tool hooked up , check for DTC'S - diagnostic trouble codes .

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Question is contradictory. First you say won't shift out of first gear, then you say won't shift pst second. If the latter is correct, yes could be the 3-4 shift solenoid has failed.

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I had almost the same problem, I checked to the bushing on the shift cables and they were gone. I found the kit at orielly's auto for $8. its a manual cable bushing kit

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2 Answers

2001 PT Cruiser Automatic won't shift gears


OK... brains are expensive. It sounds like your PT STARTS OK, but keeps your TRANSMISSION locked.

Many transmissions have a 'lock' that is coupled to the car BRAKES. So the transmission may not allow SHIFTING if the BRAKE SWITCH is not sensed as 'brakes applied'.

APPLIED BRAKES = OK TO START/SHIFT. So it's possible a defective switch is your problem?

Find really GREAT information here:

How To Solve The PT Cruiser Transmission Problems

And there is this: "You Probably have a 604 41 TE auto trans (this is a four speed automatic trans)and if this is the case. Then you need to have the input and the output turbine sensor's replaced,(aka speed sensor) same thing different name. These sensors are cheap and have a high failure rate due to high temps the trans produces."

Now see this:
Transmission not shifting 2001 Chrysler PT Cruiser

and more here:

How to replace 41 TE auto transmission in an 01 pt cruiser neon pt 1

While you are at YOUTUBE search for:
"PT Cruiser Automatic transmission" won't shift

Anthony

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1 Answer

My 2002 pt cruiser won't shift out of low.


the 2nd & 3rd gear solenoid needs replacing. It is mounted by the trans filter inside the trans pan

Jul 27, 2010 | 2002 Chrysler PT Cruiser

1 Answer

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Take it in & have it scanned, may only be a faulty solenoid or even brake switch may cause code & symptoms. Sooner you get it in, the cheaper it will probably be to repair it

Sep 08, 2009 | 2002 Chrysler PT Cruiser

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