Nissan Terrano r20e. Manual — part 362
Lubrication Circuit
ELC037
ENGINE LUBRICATION SYSTEM
TD27Ti
LC-20
Oil Pressure Check
WARNING:
I
Be careful not to burn yourself, as the engine and oil may
be hot.
I
Oil pressure check should be done in “Neutral” gear posi-
tion.
1. Check oil level.
2. Remove oil pressure switch.
3. Install pressure gauge.
4. Start engine and warm it up to normal operating temperature.
5. Check oil pressure with engine running under no-load.
Engine rpm
Approximate discharge pressure
kPa (bar, kg/cm
2
, psi)
Idle speed
More than 78 (0.78, 0.8, 11)
3,000
294 - 392 (2.94 - 3.92, 3.0 - 4.0, 43 - 57)
If difference is extreme, check oil passage and oil pump for oil
leaks.
6. Install oil pressure switch.
Use proper liquid sealant.
Oil pressure switch:
: 10 - 13 N
⋅
m (1.0 - 1.3 kg-m, 87 - 113 in-lb)
SLC964
SLC003A
ENGINE LUBRICATION SYSTEM
TD27Ti
LC-21
Oil Pump
OIL PUMP INSPECTION
1. Inspect pump body, gears and drive shaft for wear and dam-
age.
2. Using a feeler gauge and fuse wire, check the following clear-
ances.
Gear side clearance:
Less than 0.13 mm (0.0051 in)
Gear backlash:
Less than 0.43 mm (0.0169 in)
3. Measure inside diameter “A” of bushing.
A: 13.012 - 13.098 mm (0.5123 - 0.5157 in)
MLC128A
SLC966
SLC967
SLC968
ENGINE LUBRICATION SYSTEM
TD27Ti
LC-22
4. Measure outside diameter “B” of drive gear shaft.
B: 12.974 - 12.992 mm (0.5108 - 0.5115 in)
5. Calculate oil pump bushing clearance.
Oil pump bushing clearance (A − B):
Less than 0.15 mm (0.0059 in)
If it exceeds the limit replace oil pump bushing or entire oil
pump assembly.
SLC969
NLC057
ENGINE LUBRICATION SYSTEM
TD27Ti
Oil Pump (Cont’d)
LC-23
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