My 1996 B4000 with manual transmission will not shift into first gear from a standing foot off the clutch stop however if the clutch is held depressed it shifts fine what could be causing this? (http://wiki.answers.com/Q/My_1996_B4000_with_manual_transmission_will_not_sh ift_into_first_gear_from_a_standing_foot_off_the_c lutch_stop_however_if_the_clutch_is_held_depressed _it_shifts_fine_what_could_be_causing_this)