Problem-no shift 3rd to 4th o.d. 91 Volvo turbo A W 71 auto 107,000 miles. No shift to 4th at first when cold first drive of day. Will shift after 3 to 10 miles (once no shift for 30 miles in winter on expressway). When it does shift to 4th o.d., all gears wor... Login to read more.