Your sensors may be doing exactly what they are meant to do, but it wasn't a bad idea to change them as a starting point. Have you noticed poor cooling from the a/c as well? Open your hood in the driveway and check that your electric radiator fan is turning on regularly once the car warms up. There is a fine dance between the electric radiator fan, the a/c compressor, and the idle sensors on this car. If your problem resolves itself at highway speeds & reoccurs when you stop, then the problem is that your electric radiator fan is in need of replacement. The brushes inside that electric motor do wear out from use - especially in a hot climate - and are not designed to be replaced by a home mechanic. You can have the electric motor rebuilt by a electrical shop - or just replace it yourself with one ordered at any parts counter. When the cooling fan does not switch on at idle speeds, the a/c compressor will overheat and cause it to vent freon to save itself from permanent damage. The overall excess heat buildup in your engine compartment also causes the idle problems where it will surge up and down in slow traffic or at a stoplight. When I changed that motor it solved many inter-related issues that I was having.
SOURCE: pt cruiser aerial
At the base of the antenna, take a small crescent wrench or pliers and unscrew the antenna from the mounting bracket. Any Chrysler dealer should have a replacement antenna.
SOURCE: PT Cruiser Brake Light
The bulb in the rear light has burned out and to replace it follow these instructions: 1) go to your owner's manual to find out the part number. You can find and purchase the replacement bulb at Target, any auto parts store and even at Walmart for under $4.00; 2) pop open the trunk door; 3) get a phillips screw driver and unscrew the 2 screws holding the rear brake light fixture to your car body; 4) as soon as you turn over the fixture you'll see where to pull out the burned out bulb and replace it with the new one(s). Good luck!
SOURCE: Engine motor mounts on 2001 PT Cruiser
Place a block of wood under the engine sump to prevent damage when you jack up the engine to take the tension off the mount. Make sure you do not jack the engine up too much as you might damage the exhaust,cooling hoses etc.
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.
SOURCE: how do you change the spark plugs on a 2004 pt
remove the plastic cover.
remove the thing on top of the plug.
use a spark plug socket,(5/8) and replace the plugs with platinum plugs
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