Replace Air Suspension Compressor Elastomer Bearing - AR32.22-P-2011FRX

Model 290 

with code 489 (AIR BODY CONTROL) 

Courtesy of MERCEDES-BENZ USA

	Remove
1	Remove AIR BODY CONTROL compressor (A9/1).		AR32.22-P-2001FRX
	Disassemble
2	Press elastomer bearings (2a) out of eyelet at AIR BODY CONTROL compressor (A9/1).	In addition to the elastomer bearings (2a), the washer (2b), protective sleeves (2c 2e, 2g), elastomer bearings (2f) and compression springs (2d) must be replaced. Otherwise knocking and thumping noises can occur.
	Assemble
3	Insert elastomer bearings (2a) into eyelet at AIR BODY CONTROL compressor (A9/1).	The raised section of the elastomer bearings (2a) must face downward. The grooves of the elastomer bearings (2a) must engage into the eyelets at the AIR BODY CONTROL compressor (A9/1) around the entire circumference.
4	Place washer (2b) and protective sleeve (2e) onto elastomer bearings (2a).
5	Place elastomer bearings (2f) onto protective sleeves (2g).	The outer lips of the elastomer bearings (2f) must enclose the disks of the protective sleeves (2g) around the entire circumference.
6	Fit compression springs (2d) onto protective sleeves (2c, 2g).
	Install
7	Install AIR BODY CONTROL compressor (A9/1).		AR32.22-P-2001FRX