Mazda N4A-EL – ATSG (Automatic Transmission Service Group)

Mazda

The N4A-EL is a four speed overdrive transmission with shifts and shift timing being controlled by the on board EC-AT control unit. The torque converter is equipped with a lock-up mechanism and is also controlled by the EC-AT control unit. This converter has a stall ratio of 1.900:1.

The line pressure used for shift feel is determined by engine vacuum to the modulator, pressure regulator valve, and spring in the transmission. This transmission consists of three planetary gear sets, four clutch packs, two bands and two sprags. It holds 7.7 US quarts of Dextron II or M-III automatic transmission fluid and is currently found in the Mazda 929 and early MPV’S.

SOLENOID APPLICATION CHART
OIL PRESSURE CHART
SHIFT PATTERN
COMPONENT LOCATION
WARNING CODE RETRIEVAL
ELECTRONIC COMPONENTS
VALVE & FLUID PASSAGE LOCATIONS
TRANSMISSION DISASSEMBLY
SUB ASSEMBLY OVERHAUL
VALVE BODY OVERHAUL
TRANSMISSION ASSEMBLY
BULLETINS
HYDRAULIC CIRCUIT

Language: English
Format: PDF
Pages: 96

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Mazda N4A-EL – ATSG (Automatic Transmission Service Group)

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