Thermostat - Lotus Elise Service Notes

ENGINE
THERMOSTAT
Remove
12M0558
1. Remove 2 bolts securing coolant rail to cylinder
block, release rail from thermostat cover.
2. Remove bolt securing thermostat housing and
dipstick tube to cylinder block.
3. Withdraw thermostat housing from coolant
pump.
Inspection
1. Test thermostat using thermostat test
equipment, renew thermostat if necessary.
2. Thermostat open = 88° C
Starts to open = 85° to 91
0
C
Fully open = 100° C
Refit
1. Clean thermostat housing, cover and sealing
faces.
2. Lubricate new '0' rings with silicone grease
and fit to thermostat housing and cover.
3. Fit a new seal to thermostat.
4. Align and fit thermostat to shoulder in
thermostat housing.
5. Fit cover to thermostat housing, fit and tighten
bolts to 8 Nm.
CAUTION: Torque figure must not be
! \ exceeded.
A
6.
Fit thermostat housing to coolant pump, align
dipstick tube bracket, fit and tighten bolt to 10
Nm.
Connect coolant rail to thermostat cover.
Align coolant rail to cylinder block, fit and
tighten bolts to 25 Nm.
4. Remove and discard 'O' rings from thermostat
housing and cover.
5. Remove 3 bolts and remove cover from
thermostat housing.
6. Withdraw thermostat from housing.
7. Remove and discard seal from thermostat.
20
OVERHAUL