Line Pressure Test - Suzuki Grand Vitara XL-7 Service Manual

7B1-30 AUTOMATIC TRANSMISSION (4 A / T)

LINE PRESSURE TEST

Purpose of this test is to check operating conditions of each part by
measuring fluid pressure in fluid pressure line. Line pressure test
requires following conditions.
D Automatic fluid is at normal operating temperature (70 to 80 _C/
158 – 176_F).
D Fluid is filled to proper level (between FULL HOT and LOW HOT
on dipstick).
D Air conditioner switch is turned OFF.
1) Apply parking brake securely and place checks against wheels.
2) Attach oil pressure gauge to fluid pressure check hole (1) in
transmission case.
Special tool
(A): 09925-37810
CAUTION:
After attaching oil pressure gauge, check that not fluid
leakage exists.
3) Depress foot brake fully, run engine at idle and stall.
4) Check fluid pressure in "D" or "R" range within the following
specification.
CAUTION:
Do not continue running engine at stall speed longer
than 5 seconds.
Idle speed 4.0 – 4.6 kg/cm
Stall speed 13.0 – 14.8 kg/cm
5) If check result is OK, disconnect special tool, then tighten trans-
mission case plug to specified torque.
Tightening torque
Transmission case plug: 7.5 N
"D" range
2
5.6 – 6.7 kg/cm
57 – 65 psi
2
16.6 – 20.0 kg/cm
185 – 210 psi 236 – 284 psi
.
m (0.75 kg-m, 5.5 lb-ft)
"R" range
2
80 – 95 psi
2