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G4AEL Transmission parts

4EATG, G4AHL

Transmission general data

Number of gears Transmission Type Drive Torque (Nm) ATF (full capacity) L ATF (change) L ATF type (recommended)
4 AT FWD 230 6,8 3,5 Dexron III

The first Mazda's 4-speed automatic transmission G4A-EL was designed with partial electronic controlling mechanism (shift solenoids). This transmission was used on Mazda 626 since 1987. In 1989, after thorough testing and updating this great transmission found application in Ford Probe. According to Ford classification, named as 4EAT-G.

What are you looking for?

Overhaul Kit | Friction Kit | Friction | Steel Plate | Steel Kit | Band | Solenoid Kit | Solenoid EPC | Solenoid TCC | Pump | Shaft | Drum | Valve body | Torque converter | Hub | Piston | Piston Kit | Planetary Gear | Filter | Gasket | Bushing | Seal | Bearing | Pressure Plate | Stator | Differential | Retainer | Inhibitor Switch | Instruction manual | TOOLS & ACCESORIES | Sensor

Related transmission models or modifications of this transmission:

Which cars run with this gearbox? CLICK

Technical issues and repair guidelines

This transmission operates with different types of ATF manufactured by famous brands. It is recommended to change ATF only after estimation of its condition, and the older the car - the more frequently it is required to change ATF. In many cases, the torque converter lock-up wear-out clogs the valve body and damages solenoids. That leads to the torque converter repair and replacement of related spare parts.Complete reassembly of the transmission is performed with the help of Masterkit repair kit. This kit includes all gaskets and seals, all friction components and clutch discs. In terms of design, this transmission is similar to the F4A-EL (4EAT-F) and has the same common repair issues.


Every third repair of this transmission is minor and lies in replacement of the torque converter seals and gaskets (pan, pump and side valve cover) from oil leakage. At the same time specialists usually repair the torque converter with replacement of worn-out friction lining. The wear-out of the valve of linear pressure solenoids (EPC) and of the torque converter lock-up also causes many problems (jolts when shifting) in the GF4A-EL/ FU9A transmission.


Vibrations and rapid wear-out of bushings and seals start in case of a long oil starvation, which is usually related to the torque converter overheating, dirty valve body and solenoids. The brake band is one of typical spare parts, its successful design has not been changed since 1988. The drum Overdrive G4AEL 3-4 CL 42mm Overall Height (52,38mm OD Neck) 1986-2002 gets burnt together with clutches. Oil starvation leads to wear-out of friction surfaces. Repair specialists usually replace several essential gaskets and seals. The list of relevant spare parts also includes pan gaskets and the side cover gasket.

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