Intermittent Block Out of First Gear from a Stop - keywords hard no shift shifter stop

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Intermittent block out of first gear at a stop. Driver may have the vehicle in neutral while stopped in traffic and when depressing the clutch pedal to engage first gear, the shift is blocked.

If this condition occurs less than 5 percent of the time, it would be considered normal. This condition occurring more than 5 percent of the time should be repaired. A clutching tooth improvement has been made to the first speed gear. Replace the first speed gear in the transmission. Check the gap between the vertical faces of the blocking ring teeth and the speed gear as per Document ID # 588712.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.