1998 GMC TRUCKS SSERIES JIMMY 4.3L 6-cyl Engine Code [W]
Automatic Transmission, 4L60-E Initial Fill..........4.7 liters just dropping transmission pan to replace transmission oil filter.
Automatic Transmission, Total Fill 4 speed 4L60-E..........10.6 liters total fluid flush replacement.
Note: flushing out the transmission is know to cause premature transmission failure.
Thank you for using fixya and good luck.
When changing the filter? maybe 4, at overhaul maybe 10-11?
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