Group 177 Design and Function Steering System Steering Linkage and Knuckles For further information concerning component specifica- tions see service information in Group 1, “Oil and Filter Change Intervals for Volvo Components,” publication number 175–001, and appropriate vendor literature. Lubricate the Steering shaft and drag link. Lubricated the tie rod. TRW steering gears have a seal at the sector shaft that needs greasing with a hand gun every 4 months or more often if the weather and road conditions are severe.
Sheppard steering gears have seals at input shaft and at the sector shaft that need greasing with a hand gun ev- ery 4 months or more often if the weather and road conditions are severe. No axial movement is allowable when 100 lbs. of hand pressure is applied. Use hand pressure only, do not check using pliers, wrenches or any other tools. For all VHD Axle Back models, the steering shaft U- joints should be inspected to see that the plastic caps are intact. Complete this inspection every 4 months. A shorter inspection period interval may be required if the vehicle is operated under severe driving conditions. For VHD Axle Forward models, grease the steering shaft U-joints every 4 months.
A shorter maintenance interval may be required if the vehicle is operated under severe driving conditions. 27