COOLING(H4DO) > General Description
COMPONENT
1. WATER PUMP

(1) | Water pump pulley | (13) | Clip | (25) | Gasket |
(2) | Water pump ASSY | (14) | Water pipe hose RH | (26) | Engine coolant temperature sensor |
(3) | Gasket | (15) | Water pipe ASSY (CVT model) | (27) | EGR control valve |
(4) | Thermostat (engine side) | (16) | Preheater hose A | (28) | O-ring |
(5) | Gasket (engine side) | (17) | Clip | (29) | Gasket |
(6) | Thermostat cover (engine side) | (18) | Preheater hose B | (30) | Water pipe ASSY (MT model) |
(7) | Clip | (19) | Clip | ||
(8) | Water pipe hose LH | (20) | O-ring | Tightening torque: N·m (kgf-m, ft-lb) | |
(9) | Water pipe LH | (21) | Thermostat (CVTF cooler (with warmer feature) side) | T1: | 6.4 (0.7, 4.7) |
(10) | Preheater hose | (22) | Gasket (CVTF cooler (with warmer feature) side) | T2: | 14 (1.4, 10.3) |
(11) | Clip | (23) | Gasket (MT model) | T3: | 18 (1.8, 13.3) |
(12) | Water pipe RH | (24) | Thermostat cover (CVTF cooler (with warmer feature) side) | T4: | 22 (2.2, 16.2) |
2. RADIATOR & RADIATOR FAN

(1) | Radiator lower cushion | (11) | Radiator sub fan | (20) | Radiator upper gasket |
(2) | Radiator | (12) | Radiator main fan shroud | (21) | Radiator lower gasket |
(3) | Radiator upper cushion | (13) | Radiator main fan | ||
(4) | Radiator upper bracket | (14) | Radiator outlet hose | Tightening torque: N·m (kgf-m, ft-lb) | |
(5) | Clip | (15) | Radiator drain plug | T1: | 3.4 (0.3, 2.5) |
(6) | Radiator inlet hose | (16) | O-ring | T2: | 4.41 (0.45, 3.25) |
(7) | Engine coolant reservoir tank cap | (17) | Radiator cap | T3: | 7.5 (0.8, 5.5) |
(8) | Over flow hose | (18) | Sub fan motor | T4: | 12 (1.2, 8.9) |
(9) | Engine coolant reservoir tank | (19) | Main fan motor | ||
(10) | Radiator sub fan shroud | ||||
Specification
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When the BSD/RCTA system in the Subaru Ascent is active, it continuously monitors
adjacent lanes and surrounding areas to enhance driver awareness. The BSD/RCTA approach
indicator light provides a clear visual alert when another vehicle is detected traveling
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Engine overheating
WARNING
Never attempt to remove the radiator
cap until the engine has been
shut off and has fully cooled down.
When the engine is hot, the coolant
is under pressure. Removing the
cap while the engine is still hot
could release a spray of boiling hot
coolant, which could burn you very
seri ...
Dtc b2329 rear radar axis alignment incomplete
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