Removing and Installing Coolant Temperature Sensor

WM 197819 Removing and installing coolant temperature sensor

Preliminary work for removing coolant temperature sensor

Preliminary work for removing coolant temperature sensor
1. Place protective covers on the vehicle to avoid damaging the body.
2. Remove rear underbody cover.
3. Drain coolant.

Removing coolant temperature sensor

Removing coolant temperature sensor

Danger
^ Vehicle raised incorrectly.
^ Danger of fatal injury or material damage should the vehicle fail down.

-> Raise the vehicle at the prescribed jacking points.

Warning
Hot pressurized coolant.
^ Danger of scalding and burning.

-> Only work on the coolant system when the engine is "cool".
-> Wear protective clothes, gloves and goggles.

Warning
Coolant is corrosive and hazardous to health.
^ Risk of skin and eye irritation.

-> Wear protective gloves and goggles.
-> If you come into contact with coolant, wash off immediately with plenty of warm water.

1. Release and disconnect cable plug -1-.
2. Remove safety clip -2-.





3. Pull coolant temperature sensor from coolant guide housing

Installing coolant temperature sensor

Installing coolant temperature sensor
1. Replace O-Ring -arrow- with a new one and lightly smear with Kluber Plus (available from Porsche Parts Catalogue).





2. Insert coolant temperature sensor into coolant guide housing. Ensure correct seating of the O-ring.
3. Push on safety clip -2-.
4. Push on cable plug -1-.





Subsequent work for installing coolant temperature sensor

Subsequent work for installing coolant temperature sensor
1. Fill coolant and bleed cooling system.
2. Install rear underbody cover.
3. Remove protective covers.