Pump Pressure Check - Honda Prelude 1993 Service Manual

On-Gar Checks
Pump Pressure Check
Check the fluid Dressure as follows to determine
whether the trouble is in the pump or gearbox.
NOTE: First check the power steering tluid level
and pump belt tension.
CAUTION: Dlsconn€ct tho high plossule hosa
carofully, so as not to spill tho power steering tluid
on thg trame and other parts.
1. Disconnect the outlet hose from the pump outlet
Jifting, and install the pump joint adaptor on the
pump outlet.
2.
Connect the hose ioint adaptor to the power steer-
ing pressure gauge, then connect the outlet hose to
the adaotor.
3.
Install the power steering pressure gauge to the
pump joint adaptor as shown.
P/S JOII{T ADAPTOR {PUMPI
o T N A K - S R 3 0 l 1 A
P/S JOINT AOAPTOR IHOSE)
07NAK-SR3012A
SHUT-OFF VALVE
17-78
'1.
5 .
6 .
8 .
9 .
O p e n t h e s h u t o f f v a l v e f u l l y .
Open the pressure control valve fully.
Start the engine and let it idle.
Turn the steering wheel from lock-to-lock several
times to warm the fluid to operating temperature.
Close the shut oft valve, then close the pressure
control valve gradually until the pressure gauge
needle is stable. Read the pressLrre.
l m m e d i a t e l y o p e n t h e s h u t o l f v a l v e f u l l y .
CAUTION: Do not keep the shut-oft valve closed
mol€ than 5 seconds or the pump could be damag-
ed by over-heating.
l l t h e p u m p i s i n g o o d c o n d i t i o n , t h e g a u g e s h o u l d
r e a d a t l e a s t 7 , O 0 O - 8 , O O 0 k P a ( 7 0 8 0 k g / c m ' ,
9 9 5
1 , 1 3 8 p s i ) . A l o w r e a d i n g m e a n s p u m p o u t -
put is too low for full assist. Repair or replace the
p u m p .
VALVE
l