Check shock absorber

AR32.25-P-0121A

21.7.11

MODEL 129

MODEL 140

MODEL 163.113 /128 /136 /154 /157 /172 /174 /175

MODEL 168

MODEL 170

MODEL 202

MODEL 203

MODEL 208

MODEL 209 except CODE (P98) Black Series

MODEL 210 except CODE (489) Airmatic (semi-active air suspension)

MODEL 211.0 /2 /6 except CODE (489) Airmatic (semi-active air suspension)

MODEL 414

MODEL 230
except CODE (487) Active Body Control (ABC)
except CODE (P99) Special model "AMG Black Series"

MODEL 164, 166, 251 except CODE (489) Airmatic (air suspension with level adjustment and adaptive damping system ADS )

P32.25-0207-01

Shown on model 202

a Extension dimension

	Checking
1	Check piston rod for surface damage, bending and for moving in the guide bush without jamming	When reusing shock absorber
		 Dispose of shock absorber if necessary.
		 By workshop: 
		Scrapping gas-filled shock absorbers	OS32.25-P-1000-01A
		 Disposal by scrap dealer: 
		Notes on scrapping gas-filled hydraulic components	OS00.00-P-1000-01A
2	Check damper for external oil leaks	When reusing shock absorber
		 A thin film of oil on the shock absorber is permissible.
		 Dispose of shock absorber if necessary.
		 By workshop: 
		Scrapping gas-filled shock absorbers	OS32.25-P-1000-01A
		 Disposal by scrap dealer: 
		Notes on scrapping gas-filled hydraulic components	OS00.00-P-1000-01A
3	Check shock absorber for internal leakage	When reusing shock absorber
		 Check not possible on model 140, 163, 164, 166, 168, 203, 209, 251, 414.
		 The volume of oil in the shock absorber is determined by means of the projection length (a) of the piston rod.
		 Push in piston rod as far as it will go. Then hold vertically so that piston rod points down, and measure projection length (a) of piston rod.
		Shock absorber in new condition:
		Model 129, 170, 202, 208, 210, 211, 230	*BE32.25-P-1001-02A
		Shock absorber in used condition:
		Model 129, 170, 202, 208, 210, 211, 230	*BE32.25-P-1002-02A
		If shock absorber exceeds specified value, dispose of it:
		 By workshop: 
		Scrapping gas-filled shock absorbers	OS32.25-P-1000-01A
		 Disposal by scrap dealer: 
		Notes on scrapping gas-filled hydraulic components	OS00.00-P-1000-01A
4	Check rubber mount in housing eye, replace if necessary	When reusing shock absorbers with rubber mounts in housing eye
		 The rubber mounts must be seated securely in the body eye and must not be cracked or damaged. Damaged or loose rubber mounts can cause thumping noises.

Test values for shock absorber

Number	Designation		Model 129	Model 170	Model 202


BE32.25-P-1001-02A	Oil reserve check (shock absorber when new)	mm	0+2	0+2	0+2
BE32.25-P-1002-02A	Oil reserve check (shock absorber when used)	mm	20	20	20

Test values for shock absorber

Number	Designation		Model 208	Model 210	Model 211


BE32.25-P-1001-02A	Oil reserve check (shock absorber when new)	mm	0+2	0+2	0+2
BE32.25-P-1002-02A	Oil reserve check (shock absorber when used)	mm	20	20	20

Test values for shock absorber

Number	Designation		Model 230


BE32.25-P-1001-02A	Oil reserve check (shock absorber when new)	mm	0+2
BE32.25-P-1002-02A	Oil reserve check (shock absorber when used)	mm	20

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