Oil Pressure Warning Light/Buzzer - Intermittent
90audi07Subject: Intermittent Activation of Dynamic Oil Pressure Warning System Light/Buzzer
Model(s): 4000 4-Cylinder 1984-1987 M.Y.
Group: 17
Number: 90-04
Date: November 30,1990
Condition:
Intermittent activation of dynamic oil pressure warning light/buzzer
Production solution:
None
Service solution:
Replacing 1.8 bar (26 psi), .3 bar (4.3 psi) oil pressure switches and rerouting of wiring to oil pressure gauge.
Test conditions
^ engine oil level OK
^ engine oil pressures OK
^ time delay control unit Part No. 813 919 082B, installed on auxiliary relay panel
CAUTION
Part numbers are for reference only. Always check with your Parts Department for latest information.
Parts required
Description Part number Quantity
Combination 035 919 561 1
switch
Oil pressure 056 919 081E 1
switch
Connector N 017 460 6 1
(male)
Connector N 017 491 8 1
(female)
Connector 161 971 990A 1
housings 161 971 976A 1
Electrical locally as
wire available required
^ install combination switch, Part No. 035 919 561 in place of the .3 bar (4.3 psi) oil pressure switch on cylinder head
^ install 1.8 bar (26 psi) oil pressure switch, Part No. 056 919 081E in place of the combination switch on oil filter flange
^ do not connect blue/white wire
^ using male connector and housing, add a section of wire to the blue/white wire removed from terminal G of old combination switch on oil filter flange
^ using female connector and housing reconnect blue/white wire to terminal G of new combination switch on cylinder head
^ connect blue/black wire to terminal WK of new combination switch on cylinder head
^ connect white/gray wire to new 1.8 bar (26 psi) on oil filter flange
Note
Ensure oil pressure switch wiring harnesses are properly routed and connected.