Discovery I (LJ) V8-4.0L (1996)
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10.
Disconnect electrical connector from switch terminal and remove oil pressure switch and 0-ring.
11.
Obtain new oil pressure switch and ensure that 0-ring is installed.
CAUTION:
Do not use any thread sealant on threads of oil pressure switch.
12.
Inspect the threads in the front cover, and clean if necessary.
13.
Lubricate new 0-ring with engine oil and install oil pressure switch and tighten until 0-ring is compressed.
14.
The installed torque of the pressure switch should be 14 to 16 Nm. (10 to 12 lbf. ft.).
15.
Apply electrical connector grease ( LRNASGP2) into the female electrical connector and install on switch.
16.
Position and tighten hose clamp on water pump.
17.
Install alternator assembly and bracket to head with four bolts. Torque to 25 Nm. (18 lbf. ft.).
18.
Install and tighten two bolts securing wiring harness shield to alternator bracket.
19.
Connect and tighten alternator leads.
20.
Connect ground strap from alternator bracket to damper shock mount.
21.
Install serpentine belt tensioner assembly. Torque to 39 Nm. (29 lbf. ft.).
22.
Install serpentine belt, fan and fan shroud.
23.
Connect battery negative terminal.
24.
Reset windows/sunroof and code radio.
25.
Check engine oil level and replenish as necessary.
DISCOVERY, DEFENDER AND CLASSIC OIL PRESSURE SWITCH REPLACEMENT SERPENTINE BELT ENGINE
1.
Place vehicle on lift and raise vehicle.
2.
Remove electrical connector from oil pressure switch.
3.
Remove old oil pressure switch and 0-ring.
CAUTION:
Do not use thread sealant on threads of oil pressure switch.
4.
Inspect the threads in the front cover, and clean if necessary.
5.
Lubricate new 0-ring with engine oil.
6.
Install new oil pressure switch and tighten until 0-ring is compressed.
7.
Tighten the oil pressure switch to 14 to 16 Nm. (10 to 12 lbf. ft).
8.
Apply electrical connector grease into the female electrical connector and install on switch.
9.
Lower vehicle and top off engine oil if necessary.
V-BELT ENGINE
1.
Locate oil pressure switch on oil pump housing, remove electrical connector, remove and discard oil pressure switch and copper crush washer.
4.
Inspect threads in oil pump housing, and clean if necessary.
CAUTION:
