82691953 Removing and installing water tube for auxiliary heating - water tube from front heat exchanger to heater

WM 826919 Removing and installing water tube for auxiliary heating - water tube from front heat exchanger to heater

Tools





Technical values






Preliminary work

1. Remove complete heater. -> 822019 Removing and installing complete heater - section on "Removing" 822019 Removing and installing complete heater
2. Remove intake muffler with intake manifold. -> 822119 Removing and installing intake muffler - section on "Removing" 822119 Removing and installing intake muffler

Removing water tube for auxiliary heating - water tube from front heat exchanger to heater





Installation position of water tube from front heat exchanger to heater

1. Unscrew fastening screw -2- and remove water tube holder -1-.





Removing water tube holder

2. Unclip fuel line at the two holders -arrows-.





Unclipping fuel line

3. Remove water tube.
3.1. Undo spring band clamp using assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 ( -arrows A- ) and push down off the connection -arrow B-.
3.2. Pull water tube off the heater -arrow C- and remove it.





Removing water tube

Installing water tube for auxiliary heating - water tube from front heat exchanger to heater

1. Install water tube.

Information

- Before connecting the water hoses, apply suitable rubber lubricant to the flanges.

1.1. Place water tube in installation position and slide it onto the heater -arrow A-.
1.2. Slide spring band clamp onto the connection using the assembly pliers for spring band clamps, Cayenne hose connections NR.72-1 ( -arrow B- ) and align with the markings.
1.3. Slacken spring band clamp -arrows C- and secure the hose.





Installing water tube

2. Position fuel line and clip in at the two holders -arrows-.





Clipping in fuel line

3. Push water tube holder -1- onto the two water tubes and screw down using the fastening screw -2-. => Tightening torque: 3 Nm (2 ftlb.)





Installing water tube holder

Subsequent work

1. Install intake muffler with intake manifold. -> 822119 Removing and installing intake muffler - section on "Installing" 822119 Removing and installing intake muffler
2. Install complete heater. -> 822019 Removing and installing complete heater - section on "Installing" 822019 Removing and installing complete heater