Remove/install compressor · ar3222p2001tx · Mercedes-Benz WIS

AR32.22-P-2001TX

Remove/install compressor

2.5.06

MODEL 219.3 with CODE (489) Aromatic (semi-active air suspension)

P32.22-2308-06

1 Pressure line connection

2 Intake hose

3 Air filter

4 Nuts

5 Electrical connector

6 Electrical connector

A9/1 AIRmatic compressor unit

A9/1y1 AIRmatic pressure reduction valve

B7 AIRmatic pressure sensor

Y36/6 AIRmatic central reservoir charge valve

P32.22-2315-06

7 Expanding rivet

K67 AIRmatic relay

N10/1 Driver-side SAM control unit with fuse and relay module

 	Remove/install
1.1	Remove the front section of the lower engine compartment paneling	Vehicles with gasoline engines	AR61.20-P-1105TX
1.2	Remove front section of bottom section of soundproofing	Vehicles with diesel engines	AR94.30-P-5300TX
2	Detach front section of fender liner in left front fender; to do so, remove expansion rivet (7)
3	Disconnect pressure line connection (1) from AIRmatic compressor unit (A9/1)	 Plug the pressure line for the duration of the repair operations.
	Special information on AIRmatic		AH32.22-P-1000-02T
			*BA32.22-P-1004-03A
		 Installation: Before assembly, damaged pressure line connections or damaged pressure lines must be repaired.	AR32.22-P-2001-02TX
4	Detach intake hose (2) from air filter (3)	 Installation: If the air filter is replaced, the arrow on the air filter must be pointing up.
5	Unscrew nuts (4) and remove AIRmatic compressor unit (A9/1)		*BA32.22-P-1003-03A
6	Disconnect electrical connector (5) from AIRmatic pressure reduction valve (A9/1y1)
7	Disconnect electrical connector (6)
8	Remove AIRmatic compressor unit (A9/1)
9	Fit new AIRmatic relay (K67)	When replacing the compressor unit
		 Always exchange the AIRmatic relay when replacing the compressor unit as the switching contact may have been damaged previously.
	AIRmatic relay, component description		GF32.31-P-5114TX
10	Install in the reverse order
11	Check AIRmatic for leaks.		AR32.22-P-8100TX
 Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts.	AS00.00-Z-0005-01A
12	Do an engine test run and check the AIRmatic for proper operation

 Air suspension

Number	Designation			Model 219 with AIRmatic code 489


BA32.22-P-1003-03A	Nut, compressor to bracket	M5	Nm	3
		M6	Nm	6
BA32.22-P-1004-03A	Pressure line, air suspension to compressor		Nm	2

Referenced documents

ah3222p100002t Notes on AIRmatic
ar3222p200102tx Repairing AIRmatic pressure line connection
ar3222p8100tx Check AIRmatic for leaks
ar6120p1105tx Remove and install bottom engine compartment paneling
ar9430p5300tx Remove/install bottom parts of noise encapsulation
as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
gf3231p5114tx AIRmatic relay, component description