Toyota Celica Supra 1986 Service And Repair Manual page 195

LU·6
LUBRICATION SYSTEM - Oil Pump
.......
INSP£CTION OF OIL PUMP
1. ..SP£CT REUEF VALVE
Check the relief valve f or scoring or wear.
If damaged, replace the valve or pump assembly.
2. MEASURE BODY CLEARANCE
Using a feeler gauge, measure the clearance between Ito
driven gear and body.
Standard clearance: 0 .03 - 0 .06 mm
(0.0012 - 0.0024 ln.l
M8XImum cleononca: 0 .2 mm (0.008 ln.l
If the clearance Is greater than maximum. replace the
gea
end/or body.
3. MEASURE GEAR BACKLASH
Using a feeler gauge, measure the backlash as
shown.
Standard cluranca: 0 .6 - 0 .6mm
(0 .020 - 0 .024 ln .)
Maximum beckloah: 0 .9 mm 10.036 ln.)
If the blaklash is greater than maximum, replace the shift
subassembly and/or driven gear.
4. MEASURE SIDE CLEARANCE
Using
a
feeler gauge end flat block . measure tile
side
clta·
ance as shown.
Standard clearance: 0 .03 - 0.09 mm
(0.0012 - 0.0035 ln.l
Maximum clearance:
0 .
16 mm
(0.0069
ln.)
If tho clearance Is grooter than maximum, replace the 98''1
I
and/or body.
ASSEMBLY OF OIL PUMP
!See pege LU-41
ASSEMBLE 011. PUMP ASSEMBLY
(al Install the shaft subassembly . key. drive shaft gear,
spacer and snap ring.
(bl Install the driven gear and pump cover with f lvo boltt.
lei Install tho relief valve and spring in the cover and
screw on the relief valve plug .