SI77.50-P-0001A | Service Information: Exchange and diagnosis of Vario roof hydraulic pump | 5.4.04 |
MODELS 170, 171, 230
As of STAR DIAGNOSIS Version 03/04, we recommend using the valve block 230 589 00 91 00 to check hydraulic pumps.
New hydraulic pumps must not be installed without first carrying out diagnosis.Always carry out diagnosis in full up to and including the note referring to the part to be replaced.
We reserve the right to decline warranty claims if complete diagnosis has not been carried out.
The cost for hydraulic pumps that are OK will be charged back.
With model 170 the valve block can also be used to check the hydraulic system.
Valve block
230 589 00 91 00