Honda Accord: ATF Pump Inspection - Valve Body - Transaxle - Honda Accord MK8 2008-2012 Service ManualHonda Accord: ATF Pump Inspection

1. Install the ATF pump drive gear (A), the driven gear (B), and the ATF pump driven gear shaft (C) in the main valve body (D). Lubricate all parts with ATF, and install the ATF pump driven gear with its grooved and chamfered side facing up.

2. Measure the side clearance of the ATF pump drive


2. Measure the side clearance of the ATF pump drive gear (A) and the driven gear (B).

ATF Pump Gears Side (Radial) Clearance

Standard (New)

ATF Pump Drive Gear:

0.210-0.265 mm (0.0083-0.0104 in)

ATF Pump Driven Gear:

0.070-0.125 mm (0.0028-0.0049 in)

3. Remove the ATF pump driven gear shaft. Measure the


3. Remove the ATF pump driven gear shaft. Measure the thrust clearance between the ATF pump driven gear (A) and the main valve body (B) using a straight edge (C) and a feeler gauge (D).

ATF Pump Drive/Driven Gear Thrust (Axial) Clearance

Standard (New): 0.03-0.06 mm (0.001 -0.002 in)

Service Limit: 0.07 mm (0.0003 in)

Regulator Valve Body Disassembly,


    Main Valve Body Disassembly, Inspection, and Reassembly
    1. Clean all parts thoroughly in solvent, and dry them with compressed air. Blow out all passages. 2. Do not use a magnet to remove the check balls, it may magnetize the balls. 3. Inspect the ...

    Regulator Valve Body Disassembly, Inspection, and Reassembly
    1. Clean all parts thoroughly in solvent and dry them with compressed air. Blow out all passages. 2. Inspect the valve body for scoring and damage. 3. Check all valves for free movement. If an ...

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    When Driving
    ...