wsm L503 Workshop Manual page 613

L3130 · L3430 · L3830 · L4630 · L5030, WSM
(E) Removing Heater Hoses
Air Conditioning Unit
1. Remove the unit cover (1).
2. Disconnect the heater hoses (5).
3. Remove the screws and take off the unit.
4. Remove the duct hoses.
(When reassembling)
• When reconnecting the cooler pipes with the unit, apply
compressor oil (DENSO.CO. OIL8 or equivalent) to O-rings.
• When remounting the unit, tighten five screws by hand and finally
retighten them after aligning the inner roof duct with the unit duct.
• When connecting the heater hose with heater unit, hose should
be put into the heater unit pipe more than 30 mm (1.2 in.)
Heater unit mounting
screw (M6)
Tightening torque
Heater unit mounting
screw (M8)
(1) Heater Core
Draining Coolant
CAUTION
• Never remove the radiator cap until coolant temperature is
well below its boiling point. Then loosen cap slightly to the
stop to relieve any excess pressure before removing cap
completely.
1. Stop the engine and let cool down.
2. Loosen the drain plug (2) to drain the coolant.
3. Remove the radiator cap to completely drain the coolant.
4. After all coolant is drained, retighten the drain plug (2).
(When refilling)
• Fill the coolant between the "FULL" and "LOW" marks of
recovery tank (1).
L3830
L4630
Coolant capacity (with
recovery tank)
L5030
(1) Recovery Tank
(2) Drain Plug
10-S47
3.92 to 6.86 N·m
0.40 to 0.70 kgf·m
2.89 to 5.06 ft-lbs
9.80 to 11.68 N·m
1.00 to 1.19 kgf·m
7.23 to 8.60 ft-lbs
(2) Heater Hoses
W1035995
8.7 L
9.2 U.S.qts
7.7 Imp.qts
9.2 L
9.7 U.S.qts
8.1 Imp.qts
A : FULL
B : LOW
W10652320
KiSC issued 02, 2007 A
CABIN