Hydraulic System - Oil Loss
90audi06Subject: Oil Loss In The Hydraulic System
100/200 M.Y. 1989-1990
Model(s): 5000/5000T M.Y. 1984-1988
Group: 48
Number: 90-05
Date: 09/30/90
(Supersedes Technical Bulletin 90-04, dated 7/31/90)
Condition:
1) Pressure hose seeping (hose material porous).
2) Steering gear leaking.
3) Hydraulic pump leaking at case mating surfaces.
Production:
1) Pressure hose vendor "Technochemie"
As of: October 1989
VIN: 44_LN025320
2) Floating piston rod seal
As of: June 1989
VIN: 44_KN095185
3) Hydraulic pump equipped with one piece pressure relief in rear housing, (can be identified by a green tag).
As of: December 1989
VIN: 44_LN052405
Service:
Replace parts as needed:
New pressure hose P/N 443 698 483E "Short" steering rack with floating seal P/N 443 422 075X Hydraulic pump:
P/N 035 145 155GX P/N 034 145 155 X P/N 034 145 155AX PIN 034 145 155D (For vehicles with P/N 034 145 155c, use 034 145 155AX)
Note:
Refer to parts microfilm for proper application.