How to replace the gearbox accumulator

Tags: Replace Gearbox Accumulator

Accumulators and how to “fix” shifts

Now comes the fun part: you can firm up the shifts in any automatic transmission that uses accumulators by either replacing the accumulator spring with a heavier or lighter one.
4L60-E Overhaul Procedures

Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the
Replacing DSG mechatronic unit, replacing mechatronic accumulator

This is deeper look into the DSG 7 speed gearbox issues, how to replace the mechatronic unit and the mechatronic accumulator. Tools needed; T45 and T27 tox screw drivers, 10mm...
Hard Shifting Automatic Transmission Faulty Accumulator

When an accumulator is faulty or has a broken spring, harsh shifting will occur. Hard shifting can occur from a broken accumulator spring. Automatic transmission shift feel is related to the restricting orifice
There are 2 sets of accumulator springs included in this kit

Replace the accumulator valve spring (321) with the one supplied in this kit and install the components back into the valve body exactly as shown in the figure.
4L60E 1-2 Accumulator

Bought a new pinned OEM GM assembly for the dual spring accumulator; staying with pinless at the remaining while considering mechanical functions/limitations, noting spring rate
w_dis036500en-GB01.xml

The work description is based on a manual gearbox with retarder. There are minor differences in working methods between the different versions depending on whether the gearbox is combined with:
GM 4L60-E, 4L65-E, 4L70-E Pinless Forward Accumulator Piston

accumulator bore by installing both the Sonnax balls (F. re 1). Lightly stake the pin bore after pressing in the balls. Install the Sonnax D-rin. eal in groove nearest the closed end of the piston (Figure 2).
Auxiliary Fluid Accumulator Removal

Securely attach a hose from the bleeder screw into an approved container. Slowly loosen bleeder screw until pressure begins to release. Allow all pressure and fluid to be released from the auxiliary fluid
1_2_Accumulator_paper

If you are seeing sluggish shifting, shift hunting between lower gears and a very loud shudder noise during gear changes, you might want to consider a 1-2 accumulator upgrade and fluid change.