
55-58
HEATER & AIR CONDITIONER - COOLER CONDENSER CORE
550YA-01
REPLACEMENT
HINT:
COMPONENTS: See page 55-57
1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM (See page 55-21 )
SST 07110-58060 (07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070,
07117-88080)
2. REMOVE FRONT FENDER LINER LH (See page 76-2 )
3. REMOVE FRONT FENDER LINER RH (See page 76-2 )
4. REMOVE FRONT BUMPER COVER (See page 76-2 )
5. DISCONNECT DISCHARGE HOSE SUB-ASSY
(a) Remove the bolt and disconnect the discharge hose sub-
assy from the cooler condenser core.
(b) Remove the O-ring from the discharge hose sub-assy.
NOTICE:
Seal the opening of the disconnected parts using vinyl tape
to prevent moisture and foreign matters from entering.
I35509
6. DISCONNECT COOLER REFRIGERANT LIQUID PIPE
A
(a) Remove the bolt and disconnect the cooler refrigerant liq-
uid pipe A from the cooler condenser core.
(b) Remove the O-ring from the cooler refrigerant liquid pipe
A.
NOTICE:
Seal the opening of the disconnected parts using vinyl tape
I35722 to prevent moisture and foreign matters from entering.
7. REMOVE AIR CLEANER INLET NO.2
(a) Remove the 2 bolts and the air cleaner inlet No.2.
I35510
8. REMOVE AIR CLEANER INLET NO.1
(a) Remove the bolt and disconnect air cleaner inlet No.1.
I35511
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2984
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HEATER & AIR CONDITIONER - COOLER CONDENSER CORE
9. REMOVE HOOD LOCK RELEASE LEVER
PROTECTOR
(a) Release the 4 claw fittings and remove the hood lock re-
lease lever protector.
4claws I35512
10. REMOVE HOOD LOCK ASSY
(a) Remove the 3 bolts and disconnect hood lock assy.
I35513
11. REMOVE RADIATOR SUPPORT SUB-ASSY UPPER
(a) Disconnect the horn connectors.
(b) Remove the 5 bolts and radiator support sub-assy upper.
I35514
12. REMOVE RADIATOR SUPPORT SUB-ASSY UPPER
LH
(a) Remove the 4 bolts and radiator support sub-assy upper
LH.
I35515
13. REMOVE RADIATOR SUPPORT SUB-ASSY UPPER
RH
(a) Remove the 4 bolts and radiator support sub-assy upper
No.1.
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2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2985
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HEATER & AIR CONDITIONER - COOLER CONDENSER CORE
14. REMOVE COOLER CONDENSER CORE
(a) Release the 3 clamps and disconnect the connector.
3 Clamps I35517
(b) Remove the 2 bolts and cooler condenser core.
I35518
15. REMOVE COOLER DRYER
(a) Using a hexagon wrench 14 mm (0.55 in.), remove the
cap from the modulator.
14 mm
(0.55 in.)
Hexagon
Wrench
Modulator
I32993
(b) Remove the O-ring from the cap.
E55408 I32475
(c) Using needle nose pliers, remove the cooler dryer.
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2005 SIENNA REPAIR MANUAL (RM1163U)
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HEATER & AIR CONDITIONER - COOLER CONDENSER CORE
16. INSTALL DRYER
(a) Using needle nose pliers, install the cooler dryer.
I32994
(b) Install a new O-ring on the cap.
(c) Sufficiently apply compressor oil to the fitting surfaces of
the O-ring and the cap.
Compressor oil: ND-OIL 8 or equivalent
E55408
(d) Using a hexagon wrench 14 mm (0.55 in.), install the cap
to the cooler condenser assy.
Torque: 2.9 Nm (30 kgfcm, 25 in.lbf)
14 mm
(0.55 in.)
Hexagon
Wrench
Modulator
I32993
17. INSTALL COOLER CONDENSER CORE
(a) Install the cooler condenser core with the 2 bolts.
Torque: 3.9 Nm (40 kgfcm, 35 in.lbf)
I35518
I37090
(A) (A)
18. INSTALL RADIATOR SUPPORT SUB-ASSY UPPER
(B) RH
(a) Install the radiator support sub-assy upper with the 4
bolts.
(C) Torque:
5.0 Nm (51 kgfcm, 44 in.lbf) (A)
7.0 Nm (71 kgfcm, 62 in.lbf) (B)
3.9 Nm (40 kgfcm, 35 in.lbf) (C)
I35516
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HEATER & AIR CONDITIONER - COOLER CONDENSER CORE
(A)
19. INSTALL RADIATOR SUPPORT SUB-ASSY UPPER
(A)
LH
(B)
(a) Install the radiator support sub-assy upper LH with the 4
bolts.
Torque:
(C) 5.0 Nm (51 kgfcm, 47 in.lbf) (A)
7.0 Nm (71 kgfcm, 62 in.lbf) (B)
3.9 Nm (40 kgfcm, 35 in.lbf) (C)
I35515 20. INSTALL COOLER REFRIGERANT LIQUID PIPE A
(a) Remove the attached vinyl tape from the pipe and the
connecting part of the cooler condenser core.
(b) Sufficiently apply compressor oil to a new O-ring and the
fitting surface of the pipe joint.
Compressor oil: ND-OIL 8 or equivalent
(c) Install the O-ring on the cooler refrigerant liquid pipe A.
(d) Install the cooler refrigerant liquid pipe A on the cooler
condenser core with the bolt.
Torque: 5.4 Nm (55 kgfcm, 47 in.lbf)
21. INSTALL DISCHARGE HOSE SUB-ASSY
(a) Remove the attached vinyl tape from the tube and the
connecting part of the cooler condenser core.
(b) Sufficiently apply compressor oil to a new O-ring and the
fitting surface of the hose joint.
I35722 Compressor oil: ND-OIL 8 or equivalent
(c) Install the O-ring on the discharge hose sub-assy.
(d) Install the discharge hose sub-assy on the cooler con-
denser core with the bolt.
Torque: 5.4 Nm (55 kgfcm, 47 in.lbf)
I35509
22. CHARGE REFRIGERANT (See page 55-21 )
SST 07110-58060 (07117-58060, 07117-58070, 07117-58080, 07117-58090, 07117-78050,
07117-88060, 07117-88070, 07117-88080)
Specified amount: 780 " 30 g (27.5 " 1.06 oz.)
23. WARM UP ENGINE
24. INSPECT LEAKAGE OF REFRIGERANT (See page 55-21 )
2005 SIENNA REPAIR MANUAL (RM1163U)
Author : Date : 2988