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Removing and Installing Vehicle Floor Intake Pipe (Low Pressure)




Removing And Installing Vehicle Floor Intake Pipe (low Pressure)

Preliminary work - removing front vehicle floor suction line
1. Remove left front wheel.
2. Remove left front wheel housing liner.
3. Remove left centre cover.

Preliminary work - removing rear vehicle floor suction line
1. Remove left rear wheel.
2. Remove left rear wheel housing liner.
3. Remove left centre cover.

Removing the vehicle floor intake pipe

Removing front vehicle floor suction line

ATTENTION:
Danger of injury from contact with the refrigerant.
- Observe safety regulations when working with refrigerant.

NOTE: Remove and install the pressure line together with the suction line.

1. Remove refrigerant by suction.







2. Unscrew the fastening screws -2- for the refrigerant lines, then seal the refrigerant lines -A- (low pressure) and -B- (high pressure) and the connections with plugs.







3. Unscrew the fastening screws -4- for the refrigerant lines -A- and -B-.
4. Unscrew the fastening screws -5- of the support for the refrigerant lines -A-, -B- and coolant lines -C-.
5. Unclip lines -A, B, C- from the support.







6. Unscrew the fastening screws -4- for the refrigerant lines -A-, -B- and for the coolant line -C-.
7. Unscrew the fastening screws -2- for the refrigerant lines, then seal the refrigerant lines, -A- (low pressure) and -B- (high pressure), and the connections with plugs.
8. Pull out refrigerant lines -A- (low pressure) and -B- (high pressure) together. Unclip lines from the retaining clips.

Removing the rear vehicle floor suction line

ATTENTION:
Danger of injury from contact with the refrigerant.
- Observe safety regulations when working with refrigerant.

1. Remove refrigerant by suction.







2. Unscrew the fastening screws -2- for the refrigerant lines, then unclip the refrigerant lines -A- (low pressure) and -B- (high pressure) from the support -D-. Seal the connections and refrigerant lines with plugs.







3. Unscrew the fastening screws -4- for the refrigerant lines -B- and for the coolant line Kuhlmittelleitung -C-.







4. Unscrew the fastening screws -4- for the refrigerant lines -A-, -B- and for the coolant line -C-.
5. Unscrew the fastening screws -2- for the refrigerant lines, then seal the refrigerant lines, -A- (low pressure) and -B- (high pressure), and the connections with plugs.
6. Pull out refrigerant lines -A- (low pressure) and -B- (high pressure) together. Unclip lines from the retaining clips.

Installing the vehicle floor intake pipe

Installing the front vehicle floor suction line







1. Remove the plugs for the refrigerant lines -A- and -B- , check the O-rings of the refrigerant lines and replace if in doubt.
2. Clip in the refrigerant lines into the retaining clips and coat the O-rings with refrigerant oil. Slide in lines and tighten using both fastening screws -2-. Tightening torque: 9 ftlb.
3. Push fastening screws -4- through the retaining clips for the lines -A, B, C- and tighten. Tightening torque: 2.5 ftlb.







4. Clip lines -A, B, C- into the support.
5. Position support with lines on the body and screw down with fastening screws -5-. Tightening torque: 4.5 ftlb.
6. Position refrigerant lines -A, B- in the wheel housing and screw down with fastening screws -4-. Tightening torque: 2.5 ftlb.







7. Remove the plugs for the refrigerant lines -A- and -B-, check the O-rings of the refrigerant lines and replace if in doubt.
8. Coat the O-rings with refrigerant oil. Slide in lines and tighten using both fastening screws -2-. Tightening torque: 9 ftlb.

Installing the rear vehicle floor suction line







1. Remove the plugs for the refrigerant lines -A- and -B-, check the O-rings of the refrigerant lines and replace if in doubt.
2. Clip in the refrigerant lines into the retaining clips and coat the O-rings with refrigerant oil. Slide in lines and tighten using both fastening screws -2-. Tightening torque: 9 ftlb.
3. Push fastening screws -4- through the retaining clips for the lines -A, B, C- and tighten. Tightening torque: 2.5 ftlb.







4. Position refrigerant lines -A, B- and coolant lines -C- and tighten with fastening screws -4-. Tightening torque: 2.5 ftlb.







5. Remove the plugs for the refrigerant lines -A- and -B-, check the O-rings of the refrigerant lines and replace if in doubt.
6. Clip refrigerant lines into the retaining clips -D- and coat the O-rings with refrigerant oil. Slide in lines -A, B- and tighten using both fastening screws -2-. Tightening torque: 9 ftlb.

Subsequent work

Subsequent work - installing front vehicle floor suction line
1. Fill in refrigerant.
2. Install left front wheel.
3. Install left front wheel housing liner.
4. Install left centre cover.

Subsequent work - installing rear vehicle floor suction line
1. Fill in refrigerant.
2. Install left rear wheel.
3. Install left rear wheel housing liner.
4. Install left centre cover.