Symptoms - Power Steering System. Chevrolet Joy 2008

For 1990-2009 cars

Table 1: | Foaming, Milky Power Steering Fluid, Low Fluid Level, and Possible Low Pressure
Table 2: | Low Pressure Due to Steering Pump
Table 3: | Growling Noise in Power Steering Pump
Table 4: | Rattling Noise in the Steering Pump
Table 5: | Swishing Noise in the Steering Pump
Table 6: | Whining Noise in the Steering Pump
Table 7: | Clunk Noise in the Steering System
Table 8: | Rattling Noise in the Steering Gear
Table 9: | Poor Return of the Steering Wheel to Center
Table 10: | Momentary Increase in Effort When Turning the Wheel Quickly
Table 11: | Steering Surges or Jerks When Turning with Engine Running
Table 12: | Excessive Wheel Kickback or Loose Steering
Table 13: | Hard Steering or Lack of Assist During Parking

#### Foaming, Milky Power Steering Fluid, Low Fluid Level, and Possible Low Pressure

Probable Cause | Correction
--- | ---
Insufficient power steering fluid level | Fill the power steering fluid reservoir.
Air in the power steering fluid | Bleed the power steering system.
Internal leaks and overflow of the power steering pump | Replace the power steering pump.
Leaks in the power steering pump housing and the soft plug | Replace the power steering pump.

#### Low Pressure Due to Steering Pump

Probable Cause | Correction
--- | ---
Stuck and improperly operated power steering pump flow control valve | Replace the power steering pump.
Worn power steering pump seats | Replace the power steering pump.
Scored, cracked, or broken pressure plate, pump ring, thrust plate, or rotor | Replace the power steering pump.
Stuck vanes in the rotor slots | Replace the power steering pump.
Internal leaks and overflow of the power steering pump | Replace the power steering pump.

#### Growling Noise in Power Steering Pump

Probable Cause | Correction
--- | ---
Restricted flow of the pump hoses or the steering gear pipes | Clean out the pipes and the hoses. Replace the pipes and the hoses if necessary.
Scored, cracked, or broken pressure plate, pump ring, thrust plate, or rotor | Replace the power steering pump.
A power steering hose contacted the vehicle body | Use a clamp to secure the pump hose away from the body.
Insufficient power steering fluid level | Fill the power steering fluid reservoir.

#### Rattling Noise in the Steering Pump

Probable Cause | Correction
--- | ---
Air in the power steering fluid | Bleed the power steering system.
A power steering hose contacted the vehicle body | Use a clamp to secure the pump hose away from the body.
Insufficient power steering fluid level | Fill the power steering fluid reservoir.
Improperly installed pump mounting | Tighten the power steering pump attachment bolts.

#### Swishing Noise in the Steering Pump

Probable Cause | Correction
--- | ---
Damaged power steering pump flow control valve | Replace the power steering pump.

#### Whining Noise in the Steering Pump

Probable Cause | Correction
--- | ---
Scored pressure plate or vanes | Replace the power steering pump.
Scored pump shaft bearing | Replace the power steering pump.

#### Clunk Noise in the Steering System

Probable Cause | Correction
--- | ---
Loose steering coupling joints | Tighten the steering coupling joints.
A power steering hose contacted the vehicle body | Use a clamp to secure the pump hose away from the body.

#### Rattling Noise in the Steering Gear

Probable Cause | Correction
--- | ---
A power steering hose contacted the vehicle body | Use a clamp to secure the pump hose away from the body.
Insufficient lubricant | Lubricate the steering gear.
Loose steering gear mounting | Tighten the steering gear mounting bracket bolts.
Improperly installed tie rod ends | Tighten the tie rod ends. Replace the tie rod ends if necessary.

#### Poor Return of the Steering Wheel to Center

Probable Cause | Correction
--- | ---
Improper contact between the steering wheel and the turn signal housing | Adjust the turn signal housing.
Improper binding or looseness of the steering coupling | Replace the intermediate shaft.
Stuck and improperly aligned power steering pump flow control valve | Replace the power steering pump.
Improper binding or looseness of the tie rods and ball joints | Tighten the tie rods and the ball joint fasteners. Replace the tie rods or the ball joints if necessary.
Poor adjustments of the steering gear | Perform a straight-ahead check.

#### Momentary Increase in Effort When Turning the Wheel Quickly

Probable Cause | Correction
--- | ---
Internal leaks of the power steering pump | Replace the power steering pump.
Restricted flow of the hoses | Replace the power steering hoses and pipes.
Insufficient power steering fluid | Fill the power steering fluid reservoir.
Stuck and improperly operated power steering pump flow control valve | Replace the power steering pump.
Insufficient pressure of the power steering pump | Replace the power steering pump.

#### Steering Surges or Jerks When Turning with Engine Running

Probable Cause | Correction
--- | ---
Insufficient pressure of the power steering pump | Replace the power steering pump.
Stuck and improperly operated power steering pump flow control valve | Replace the power steering pump.
The pump drive belt slips | Tighten the pump drive belt.
Air in the power steering fluid | Bleed the power steering system.

#### Excessive Wheel Kickback or Loose Steering

Probable Cause | Correction
--- | ---
Air in the power steering fluid | Bleed the power steering system.
Worn or damaged wheel bearings | Replace the wheel bearings.
Loose steering gear mounting | Tighten the steering gear mounting bracket bolts.
Improperly installed steering gear to intermediate shaft joint bolt | Tighten the steering gear to intermediate shaft joint bolt.
Loose tie rods and ball joints | Tighten the tie rods and the ball joint fasteners. Replace the tie rods or the ball joints if necessary.

#### Hard Steering or Lack of Assist During Parking

Probable Cause | Correction
--- | ---
Stuck and improperly operated power steering pump flow control valve | Replace the power steering pump.
Insufficient pressure of the power steering pump | Replace the power steering pump.
Internal leaks of the power steering pump | Replace the power steering pump.
Improper tension of the pump drive belt | Adjust the pump drive belt tension.