887719 Removing and Installing Vehicle Floor Intake Pipe (Low Pressure)
WM 887719 Removing and installing vehicle floor intake pipe (low pressure)
Technical values
Preliminary work
Preliminary work - removing front vehicle floor suction line
1. Remove left front wheel. -> 440519 Removing and installing wheel - section on "removing" Removal and Replacement
2. Remove left front wheel housing liner. -> 505619 Removing and installing front wheel housing liner - section on "removing" Service and Repair
3. Remove left centre cover. -> 519319 Removing and installing centre cover - section on "removing" 519319 Removing and Installing Centre Cover
Preliminary work - removing rear vehicle floor suction line
1. Remove left rear wheel. -> 440519 Removing and installing wheel - section on "removing" Removal and Replacement
2. Remove left rear wheel housing liner. -> 536919 Removing and installing rear wheel housing liner - section on "removing" Service and Repair
3. Remove left centre cover. -> 519319 Removing and installing centre cover - section on "removing" 519319 Removing and Installing Centre Cover
Removing the vehicle floor intake pipe
Removing front vehicle floor suction line
CAUTION
Danger of injury from contact with the refrigerant
-> Observe safety regulations when working with refrigerant. -> 80 Safety regulations for working on air-conditioned vehicles and dealing with refrigerant R134a
Information
- Remove and install the pressure line together with the suction line.
1. Remove refrigerant by suction. -> 870317 Evacuating and filling in refrigerant - section on "draining" Service and Repair
Loosening and plugging refrigerant lines
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.
Removing refrigerant lines part 1
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.
Removing refrigerant lines part 2
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
CAUTION
Danger of injury from contact with the refrigerant
-> Observe safety regulations when working with refrigerant. -> 80 Safety regulations for working on air-conditioned vehicles and dealing with refrigerant R134a
1. Remove refrigerant by suction. -> 870317 Evacuating and filling in refrigerant - section on "draining" Service and Repair
Loosening and plugging refrigerant lines
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.
Unscrewing fastening screws
3. Unscrew the fastening screws -4- for the refrigerant lines -B- and for the coolant line -C-.
Removing refrigerant lines
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
Installing refrigerant lines part 2
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.
Installing refrigerant lines part 1
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.
Remove plugs and fasten refrigerant lines
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
Installing refrigerant lines
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.
Tightening fastening screws
4. Position refrigerant lines -A, B- and coolant lines -C- and tighten with fastening screws -4-. => Tightening torque: 2.5 ftlb.
Installing and fastening refrigerant lines
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. -> 870317 Evacuating and filling in refrigerant - section on "filling" Service and Repair
2. Install left front wheel. -> 440519 Removing and installing wheel - section on "installing" Removal and Replacement
3. Install left front wheel housing liner. -> 505619 Removing and installing front wheel housing liner - section on "installing" Service and Repair
4. Install left centre cover. -> 519319 Removing and installing centre cover - section on "installing" 519319 Removing and Installing Centre Cover
Subsequent work - installing rear vehicle floor suction line
1. Fill in refrigerant. -> 870317 Evacuating and filling in refrigerant - section on "filling" Service and Repair
2. Install left rear wheel. -> 440519 Removing and installing wheel - section on "installing" Removal and Replacement
3. Install left rear wheel housing liner. -> 536919 Removing and installing rear wheel housing liner - section on "installing" Service and Repair
4. Install left centre cover. -> 519319 Removing and installing centre cover - section on "installing" 519319 Removing and Installing Centre Cover