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Home >> Nissan-Datsun >> 1993 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling Systems >> Cooling System Bleeding

Cooling System Bleeding

NOTE: On the 1.6L use 2 air relief plugs. On the 2.0L use an air bleeder cap on heater hose pipe in addition to air relief plug(s).

Before filling cooling system, ensure heater valve is open to allow coolant flow through heater core. See OPENING HEATER VALVE table. When filling cooling system, ensure air relief plug is loose to allow trapped air to exit system. See Fig 1 , Fig 2 , Fig 3 and Fig 4 . Tighten air relief plug after filling cooling system.

OPENING HEATER VALVE

Application Procedure
Manual A/C Move Temperature Control Lever To Full HOT Position.
Fig 1: Locating Air Relief Plug "A" (1.6L)
G93C01939Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Locating Air Relief Plug "B" (1.6L)
G93E01940Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 3: Locating Air Bleeder Cap (2.0L)
G93G01941Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 4: Locating Air Relief Plug (2.0L)
G93I01942Courtesy of NISSAN MOTOR CO., U.S.A.