Noise
Note. Refer to the technical service information before using this chart.
| Condition | Possible Sources | Action |
|---|---|---|
| NOISE | Back to MAIN MENU | CHECK OUT TECHNICAL BULLETINS |
| Continuous noise | Air in the system | NOTE: LOOK FOR SMALL AIR BUBBLES VISIBLE IN THE OIL, AIR MAY ALSO GET TRAPPED IN THE HYDRAULIC SYSTEM BLEED the system. See Power Steering System Bleeding - VIN Range: L00600->L86901 or Power Steering System Bleeding - VIN Range: L86902->M45254 . |
| Power steering hose in contact with the vehicles body | CHECK and reposition power steering hoses or pipes IF hoses do not fit or are permanently deformed INSTALL new hoses or pipes | |
| Power steering hose restricted or twisted | CHECK and reposition power steering hose IF hoses do not fit or are permanently deformed INSTALL new hoses or pipes | |
| Power steering pump through-drive (to water pump) loose if applicable | CHECK power steering coupling and power steering pump. INSTALL a new power steering pump or coupling Refer to Power Steering Pump - 3.0L . Refer to Power Steering Pump - 4.0L . | |
| Power steering pump drive pulley loose or damaged. | NOTE: Clean threaded fasteners and apply Loctite thread lock to bolts. CHECK the power steering pump pulley, drive flange bolt holes and threads for dents, chips, cracks, damage and wear. REPLACE worn or damaged items CHECK and RE-TORQUE the power steering pump drive pulley retaining bolts | |
| Power steering pump mounting bolts loose. | CHECK the power steering pump mounting bolts and TIGHTEN | |
| Noise gets worse when system is loaded | CHECK for leaks CHECK the power steering pressure and RECORD the values If the PUMP PRESSURE IS TOO LOW when tested, INSTALL a new power steering pump Refer to Power Steering Pump - 3.0L . Refer to Power Steering Pump - 4.0L . | |
| Accessory drive belt squeal | Accessory drive belt, FEAD or READ incorrectly tensioned or glazed. | CHECK FEAD/READ drive belt tension CHECK accessory drive belt condition and INSTALL a new accessory drive belt as necessary Refer to Accessory Drive Belt Tensioner - 3.0L . Refer to Accessory Drive Belt Tensioner - 4.0L . |
| Chirp noise form the steering pump when a load is applied. | Loose or worn accessory drive belt. | CHECK accessory drive belt condition and INSTALL a new accessory drive belt as necessary Refer to Accessory Drive Belt Tensioner - 3.0L . Refer to Accessory Drive Belt Tensioner - 4.0L . |
| Start up noise from PAS in extreme cold | Standard PAS fluid becomes thicker at extremely low temperatures (gravity feed to the pump is impaired) | SEE notes in handbook about steering noise in cold climates |
| Power steering pump noisy | Low power steering fluid | CHECK steering system for signs of steering fluid loss BLEED the power steering system. See Power Steering System Bleeding - VIN Range: L00600->L86901 or Power Steering System Bleeding - VIN Range: L86902->M45254 . |
| Power steering pump worn or otherwise defective | CHECK for leaks REPAIR as necessary CHECK the power steering pressure For additional information, REFER to Power Steering Pressure Test INSTALL a new power steering pump as necessary Refer to Power Steering Pump - 3.0L . Refer to Power Steering Pump - 4.0L . | |
| Whine type noise (worse when steering load is applied) | SEE NOISE DESCRIPTIONS | GENERAL NOISE DESCRIPTIONS also applicable to moan, groan, hiss, weep and squeak ALSO SPECIFIC NOISE DESCRIPTIONS |
| Power steering pump | CHECK for leaks REPAIR as necessary CHECK the power steering pressure For additional information, REFER to Power Steering Pressure Test . INSTALL a new power steering pump as necessary Refer to Power Steering Pump - 3.0L . Refer to Power Steering Pump - 4.0L . | |
| Aerated fluid | BLEED the power steering system. See Power Steering System Bleeding - VIN Range: L00600->L86901 or Power Steering System Bleeding - VIN Range: L86902->M45254 . | |
| Noise during steering gear movement | Low power steering fluid | CHECK steering system for signs of steering fluid loss BLEED the power steering system See Power Steering System Bleeding - VIN Range: L86902->M45254 |
| Water contamination to the power steering fluid | DRAIN the power steering system BLEED the power steering system. See Power Steering System Bleeding - VIN Range: L00600->L86901 or Power Steering System Bleeding - VIN Range: L86902->M45254 . | |
| Cavitation due to restricted power steering feed hose | CHECK and reposition power steering feed hoses and INSTALL new hoses as necessary | |
| Continuous noise | Low power steering fluid | CHECK steering system for signs of steering fluid loss BLEED the power steering system. See Power Steering System Bleeding - VIN Range: L00600->L86901 or Power Steering System Bleeding - VIN Range: L86902->M45254 . |
| Power steering pump drive loose | CHECK power steering coupling and power steering pump INSTALL a new power steering coupling or power steering pump as necessary Refer to Power Steering Pump - 3.0L . Refer to Power Steering Pump - 4.0L . | |
| Incorrect accessory drive belt tension or accessory drive belt glazed | CHECK accessory drive belt condition and INSTALL a new accessory drive belt as necessary Refer to Accessory Drive Belt Tensioner - 3.0L . Refer to Accessory Drive Belt Tensioner - 4.0L . | |
| Power steering pump drive pulley loose | NOTE: Clean threaded fasteners and apply Loctite if applicable CHECK and TIGHTEN the power steering pump drive pulley retaining bolts as necessary. It is not possible to check the torque of a PATCH LOCK BOLT If suspect, the bolt must be removed and replaced with a NEW PATCH LOCK BOLT and the torque set to the correct value) | |
| Power steering pump mounting bolts loose | CHECK the power steering pump mounting bolts and TIGHTEN as necessary | |
| Power steering hose/pipe in contact with the vehicles body | CHECK and reposition power steering hoses/pipes, INSTALL new hoses/pipes as necessary | |
| Power steering hose restricted/twisted | CHECK and reposition power steering hose, replace hose as necessary |
| NOTE |
|---|
| LOOK FOR SMALL AIR BUBBLES VISIBLE IN THE OIL, AIR MAY ALSO GET TRAPPED IN THE HYDRAULIC SYSTEM |
| NOTE |
|---|
| Clean threaded fasteners and apply Loctite thread lock to bolts. |
| NOTE |
|---|
| Clean threaded fasteners and apply Loctite if applicable |
Vibration
Note. Refer to the technical service information before using this chart.
| Condition | Possible Sources | Action |
|---|---|---|
| VIBRATION | Back to MENU | CHECK OUT TECHNICAL BULLETINS |
| Feedback (knocking noises in the steering gear) - condition where roughness is felt in the steering wheel by the driver when the vehicle is driven over rough surfaces | Loose or worn tie-rods | INSTALL a new tie-rod end Refer to Tie-Rod End . |
| Steering gear mounting bolts loose or damaged | CAUTION: DO NOT attempt to adjust the steering gear yoke. Failure to follow this instruction will result in the steering gear warranty being invalidated. CHECK and TIGHTEN the steering gear mounting bolts INSTALL new mounting bolts as necessary Refer to Steering Gear - VIN Range: L00600->L86901 . Refer to Steering Gear - VIN Range: L86902->M45254 . | |
| Loose suspension bushing, bolts or ball joints | NOTE: Inner ball joint wear is rare. All Jaguar steering racks have a spring loaded pinion to ensure the correct level of engagement between the rack and pinion. This play is epitomized with the rack on center and should not be confused with inner ball joint wear. TIGHTEN or INSTALL new components | |
| Steering column mounting bolts or fixings loose | CAUTION: DO NOT attempt to adjust the steering gear yoke. Failure to follow this instruction will result in the steering gear warranty being invalidated. NOTE: Do not reuse patch lock bolts. REPLACE with new CHECK and TIGHTEN the steering column mounting bolts or nuts and pinch bolts Refer to Steering Column . It is not possible to check the torque of a PATCH LOCK BOLT If suspect, the bolt must be removed and replaced with a NEW PATCH LOCK BOLT and the torque set to the correct value) | |
| Steering gear mounting bushes worn or damaged. | CHECK Service Bulletins for detailed information REPLACE worn items as required | |
| Excessive wear in steering column assembly | NOTE: Do not reuse patch lock bolts. REPLACE with new CHECK for steering column for wear in the universal joints and bearings If wear is present, INSTALL a new steering column Refer to Steering Column . It is not possible to check the torque of a PATCH LOCK BOLT If suspect, the bolt must be removed and replaced with a NEW PATCH LOCK BOLT and the torque set to the correct value) | |
| Nibble (Shimmy) Oscillation of the steering wheel (not vertical which is SHAKE) This is driven by road wheel imbalance | Road wheel imbalance | CHECK for road wheel imbalance CHECK for relevant SERVICE BULLETINS/SERVICE ACTIONS |
| Tire non-uniformity | CHECK for relevant SERVICE BULLETINS/SERVICE ACTIONS | |
| Steering wheel replacement | CHECK for relevant SERVICE BULLETINS/SERVICE ACTIONS | |
| Steering gear replacement | NOTE: Inner ball joint wear is rare. All Jaguar steering racks have a spring loaded pinion to ensure the correct level of engagement between the rack and pinion. This play is optimized with the rack on center and should not be confused with inner ball joint wear. CHECK for relevant SERVICE BULLETINS/SERVICE ACTIONS | |
| Worn Front Suspension components, mounts and fixings | CHECK and RENEW Suspension Components, Mounts and Fixings | |
| Incorrect Steering Geometry | CHECK Steering Geometry and ADJUST Refer to Specifications . | |
| Vibration worse under light braking | CHECK the disk thickness variation Refer to Specifications . | |
| Shake Vertical vibration of the steering wheel (Not oscillation which is shimmy) | Vibration smooths out after several miles of driving | Road wheel imbalance due to tire flat-spotting |
| Driven by road wheel imbalance | Vibration worse when running at comfort settings | These are lower tire pressures. Run tires at normal or motorway pressures |
| CAUTION |
|---|
| DO NOT attempt to adjust the steering gear yoke. Failure to follow this instruction will result in the steering gear warranty being invalidated. |
| NOTE |
|---|
| Inner ball joint wear is rare. All Jaguar steering racks have a spring loaded pinion to ensure the correct level of engagement between the rack and pinion. This play is epitomized with the rack on center and should not be confused with inner ball joint wear. |
| CAUTION |
|---|
| DO NOT attempt to adjust the steering gear yoke. Failure to follow this instruction will result in the steering gear warranty being invalidated. |
| NOTE |
|---|
| Do not reuse patch lock bolts. REPLACE with new |
| NOTE |
|---|
| Do not reuse patch lock bolts. REPLACE with new |
| NOTE |
|---|
| Inner ball joint wear is rare. All Jaguar steering racks have a spring loaded pinion to ensure the correct level of engagement between the rack and pinion. This play is optimized with the rack on center and should not be confused with inner ball joint wear. |
Note. Refer to the technical service information before using this chart.
| Diagnostics Menu | |
|---|---|
| Symptom | Possible Sources |
| FUNCTIONAL | Column will not adjust (Motor adjust column) Column will not adjust (Manual adjust column) Uneven effort Free play Column does not return to memory position Electromechanical Steering column lock will not operate Mechanical Steering column lock will not operate |
| NOISE | Scraping from behind steering wheel while steering Click Squeak while steering Knock Rattle Grind Noise while adjusting column (electrical adjust) Noise while adjusting column (manual adjust) |
| VIBRATION | Nibble (shimmy) |
Upper Steering Column Diagnostics Menu
Hum
Continuous sound of varying frequencies, like a wire humming in the wind.
Rattle
A sound suggesting looseness, such as marbles rolling around in a can.
Squeak
High-pitched sound like rubbing a clean window.
Column Rattle
Column rattle is a metallic sounding noise created when applying a highly impulsive force to the steering wheel. Column rattle is often used to combine the more general group of column noises including clonk and column knock. Column rattle noises can be caused by clonk, knock, loose column components, bonus parts etc. A series of parked, straight-line driving, and cornering test should be carried out to isolate the source/sources.
Rattles
Rattles are noises caused by knocking or hitting with components in the steering system. Steering rattles can occur in the engine compartment, the suspension, or the passenger compartment . Rattles can be caused by loose parts, movable and flexible parts, and improper clearances.
Squeaks/Scrapes
Squeaks/Scrapes are noises due to friction or component rubbing anywhere in the steering system. Squeaks/Scrapes have appeared in steering linkages and joints, in column components and in column and steering wheel trim parts.