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man this is the only procedure i have done on the Allison for a delayed engagement it the repair works. good luck. i hope i helped and please accept my answer. thanks T-MAN
This bulletin is being revised to change the automatic transmission fluid to use from DEXRON®-III to DEXRON®-VI and change the Warranty Labor Time information. Please discard Corporate Bulletin Number 03-07-30-011D (Section 07 -- Transmission/Transaxle).
Some customers may comment that the transmission has a delayed engagement, cold hesitation or may illuminate the MIL on the first start-up after sitting for a period of time.
Torque converter bleed down over an extended period of non-usage, usually over a week, may cause this condition.
Use the service procedure shown below to access and change the torque converter relief spring and lube regulator spring in the front support assembly. Installation of these parts will not eliminate the torque converter bleed down or a potential delayed engagement. These parts will prevent transmission DTCs and their resulting default actions associated with an extended period of non-usage.
Important: You will need to note the proper orientation of the two springs and the two valves. The replacement springs must be installed exactly like the removed component or transmission failures and/or shift conditions will occur.
Notice: Transmission damage may occur when springs and other parts are mistakenly interchanged. Proper springs and other part identification is very important.
Important: If the lube regulator stop O-ring seal is cut or omitted, the transmission will not prime.
Kit, Torque Converter Drain-back Modification
(Canadian P/N 88861004(1L))
DEXRON®-VI Automatic Transmission Fluid
12 L (13 quarts)
Indicator, Transmission Fluid
2003 Jetta left rear window blue plastic part of the