My car is overheating and antifreeze is leaking out by the rear passanger tire above the muffler what could this be and how do I fix it
Vehicles with Tire Pressure Monitoring System (2005–)
If you are concerned because the TPM lamp is on, please remember that vehicles with the tire pressure monitoring system (TPMS) may experience a situation where the warning light is on, yet the tire pressures are correct. Be sure to check the pressure on all of the tires.
Please be aware of the following:
- The tire pressure monitoring system (TPMS) will warn the driver of a low tire pressure based on the manufacturer recommended cold placard pressure (the placard is located on the driver's side B-pillar).
- The tire pressure will vary with temperature by about 6.9 kPa (1 psi) for every 6.5° C (12° F). When the outside temperature decreases, the tire pressure will also decrease. Dodge recommends adjusting the tire pressure for this decrease in pressure. Please refer to the vehicle owners manual for information on how to properly inflate this vehicle’s tires.
- The tire pressure will increase as the vehicle is driven. This is normal and there is no need to adjust for this increased pressure.
- The TPMS will warn the driver if the tire pressure falls below the low pressure warning threshold for any reason, including low temperature.
- The tire pressure monitoring system will continue to warn the driver of low tire pressure as long as the condition exists, and will not turn off until the tire pressure is at or above recommended cold placard pressure. Once the low tire pressure warning has been illuminated, the tire pressure must be increased to the recommended cold placard pressure in order for the TPMS warning lamp to turn off. Once the updated tire pressures have been received, the system will automatically update and the TPMS warning lamp will extinguish. The vehicle may need to be driven for up to ten minutes above 25 kph (15 mph) to receive this information.
- In order to properly maintain vehicle tire pressure, please refer to the owners manual for additional information regarding tire inflation. Note: Tire pressure should always be set based on cold inflation tire pressure (defined as the tire pressure after a vehicle has not been driven for three or more hours—and in outside ambient temperature).
- Seasonal temperature changes will affect tire pressure—the tire pressure monitoring system will monitor the actual tire pressure in the tire.
Aftermarket Wheels and Tires on all Vehicles
Dodge Chargers come equipped from factory with 17 or 18” wheels. It is common for vehicle owners to install 20 or 22” custom wheels and tires to enhance the look and appeal of these vehicles. The problems resulting from these enhancements include:
- Extremely harsh ride due to excessively low profile of tires
- Sluggish acceleration
- Poor handling
- Decreased fuel mileage
- Accelerated wear on all components
- Braking issues due to increased mass (weight of wheels)
The suspension, driveline, and brakes are not designed for the mass and weight of these wheel/tire assemblies. Any change in unsprung weight from design specifications directly affects these conditions. The overall wheel/tire diameters change the way the vehicle tracks and affects wheel alignment. Note: SRT-8 vehicles come with 20” wheels, an upgraded XHD Suspension, and larger 18” brakes with brembo calipers. This scenario applies to all vehicles.
All Wheel Drive Caravan and Grand Caravan
All Wheel Drive Power Transfer Unit Failure
The all wheel drive (AWD) system used on minivans uses a power transfer unit (PTU) that connects the front drive components to the rear drive components. The PTU may fail if identical tires are not used on all four wheels. A difference in tire circumference as small as 0.5 percent is enough to cause a PTU failure.
PTU failures related to mismatched tires are not covered under warranty. Important points to consider are:
- Tires should be rotated every 7,500 miles or less to maintain even tread wear
- Correct tire air pressure must be maintained
- When tire replacement is necessary, all four tires must be replaced with a matched (same manufacturer, model, and size) set
Steering sensitivity and wandering is when slight steering corrections are necessary to be able to keep the vehicle moving in a straight line. Steering sensitivity/wandering can be attributed to a number of different conditions, including (but not limited to) the following:
- Non-factory installed options
- Tires or wheels of different size
- Aftermarket tires and wheels
- Tires with a belt that has shifted
- Incorrect tire pressure
- A vehicle that is carrying excess added weight (above manufacturer's front and/or rear GAWR)
- Steering and/or suspension components that are worn, damaged, or out of adjustment
- Wheel bearings that are loose, worn, or damaged
- A vehicle that is not within alignment specifications (TSB-19-002-01)
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