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Instructions on how to remove a 1994 B4000 Mazda 4 wheel drive transmission
according to a local dealer that model has no modulator valve on its automatic transmission sorry !
mercon v atf
Replace the fuel filter.
underneath the center console between the front seats
Valvoline MaxLife ATF, Dexron@V, DEX/MERC
between $120.00 to 150.00
Iti's mounted to the transmission. You will need to go under the car and look for it. Hope this will help.
switch is either on side of transmission, or under the dash
www.promanuals.com/serviceparts/2004-mazda-b4000-truck-owners-manual-automated-download
The recommended spark plug gap for a 1998 Mazda B4000 is .054"
Rcommended manual transmission lubricant type: MERCON automatic transmission fluid - Haynes Repair Manual #36071, 1994-2005 Mazda Pick-ups B2300, B2500, B3000, B4000.