CD4E, LA4A-EL

Symptoms:

• 1-2 Bump
• 3-4 Bump
• Soft shifts
• Harsh shifts

Cause:
Accumulator bore wear and/or piston sticking.

Correction:
Prevent leakage of worn valve body castings with this O-ringed accumulator piston and spring kit.

Ford CD4E and Mazda LA4A-EL transmissions may exhibit such problems as harsh engagements, and/or soft or harsh shifting, particularly from 1st to 2nd Gear. These complaints can be due to worn or out-of-round accumulator bores and/or pistons sticking in the bore.

• Anodized aluminum pistons have two O-rings that prevent blow-by leakage
• Pistons have been dimensionally modified to stop in different axial locations to prevent them from hanging up or sticking on the previously worn bore edges
• Modified replacement springs are included to fit the smaller piston pocket
• Kits available for 2-4, Low/Reverse and Forward locations

Content:

• Piston
• Spring White
• O-Rings (2) Viton®
• Rivet 1/4" Large Head, Aluminum

SONNAX Installation Instructions