TIAGO TIGOR CNG - SERVICE MANUAL

STEERING_MANDO 14 F. RACK & PINION ASSEMBLY REMOVAL 1. Remove lower universal joint bolt and make steering rack free from the steering column assembly. 2. Remove both front wheels (Refer wheel removal procedure in Wheels and tyres section). 3. Remove tie rod ball joint nyloc nut. 4. Remove tie rod end by using tie rod ball joint puller. (Part No. 2871 5890 4601). WARNING: Steering arm should not be hammered for removal of tie rod outer ball joints as this may lead to damage of steering arm part. 5. Follow steps (3) and (4) to remove tie rod ball joint from other side. 6. Remove four mounting bolts of steering rack and pinion assembly from Steering Gear Mounting Panel 7. Take out steering rack and pinion assembly from either side of steering knuckle. INSPECTION: 1. Remove rubber seal from the steering rack and pinion assembly and inspect the condition of rubber seal i.e. for any cut or damage. Replace rubber seal if found damaged. 2. Inspect steering rack for any external damage. Replace damaged or worn out parts. 3. Check condition of tie rod ball joint. If found cracked or excessive play, replace ball joint. 4. Replace tie rod ball joint nylon nut. 5. Check free rotating torque of pinion shaft. If found jammed, replace steering rack assembly. Inspect rubber bellows for any rupture Installation of steering rack and pinion assembly on vehicle: 1. Fit rubber seal on steering rack assembly. NOTE: Please ensure the correct fitment of rubber seal on steering rack assembly 2. Insert steering rack and pinion tie rod ends through either side of steering knuckle. 3. Tighten both tie rod ball joint nyloc nut to specified torque. Tightening torque as per specified. 4. Tighten upper universal joint bolt to specified torque. Tightening torque as per specified. 5. Tighten lower universal joint bolt to specified torque. (Thus securing steering column with rack). Tightening torque as per specified. 6. Mount spare wheel and tighten the knob. 7. Refit both front wheels. 8. Check for toe settings and do wheel alignment if required. Refer wheel alignment procedure). NOTE:  Wheel alignment is necessary after installation (Refer wheel alignment procedure).  There is a poka-yoke provided at steering pinion to lower and upper universal joint (UJ) mounting. The UJ can be fitted in one direction only.  If warning lamp is OFF and no heavy steering is observed, then ignore this DTC U1609-81.  If warning lamp is OFF and heavy steering is observed, then check for other DTCs logged along with this DTC U1609-81. (Refer diagnostic tool user manual for trouble shooting. WARNING  Do not reuse the OBJ nyloc nut.  Do not reuse universal joint bolt.