Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1967IMPALA BASE, 2D CONVERTIBLE, 6.5L ENG, NOT AVAILABLE TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONBASIC TROUBLE SHOOTINGBASIC TROUBLE SHOOTING - GENERAL INFORMATIONSTEERING & SUSPENSIONPOWER STEERING TROUBLE SHOOTING
1967 Chevrolet Impala Base, 2D Convertible, 6.5L Eng, Not Available Trans
Power Steering Trouble Shooting
1967 Chevrolet Impala Base, 2D Convertible, 6.5L Eng, Not Available TransSECTION Power Steering Trouble Shooting
NOTE:
This is GENERAL
information. This article is not intended to be specific to any unique situation or individual vehicle configuration. The purpose of this Trouble Shooting information is to provide a list of common causes to problem symptoms. For model-specific Trouble Shooting, refer to SUBJECT, DIAGNOSTIC, or TESTING articles available in the section(s) you are accessing.
BASIC POWER STEERING TROUBLE SHOOTING CHART
| CONDITION & POSSIBLE CAUSE | CORRECTION | |
|---|---|---|
| Rattle or Chucking Noise | ||
| Pressure hoses touching engine parts | Adjust to proper clearance | |
| Loose Pitman shaft | Adjust or replace if necessary | |
| Tie rods ends or Pitman arm loose | Tighten and check system | |
| Rack and pinion mounts loose | Tighten all mounting bolts | |
| Free play in worm gear | See POWER STEERING GEAR article | |
| Loose sector shaft or thrust bearing adjustment | See POWER STEERING GEAR | |
| Free play in pot coupling | See STEERING COLUMN article | |
| Worn shaft serrations | See STEERING COLUMN article | |
| Growl in Steering Pump | ||
| Excessive pressure in hoses | Restricted hoses, see POWER STEERING GEAR article | |
| Scored pressure plates | See POWER STEERING GEAR article | |
| Scored thrust plates or rotor | See POWER STEERING GEAR article | |
| Extreme wear of cam ring | See POWER STEERING GEAR article | |
| Rattle in Steering Pump | ||
| Vanes not installed | See POWER STEERING PUMP article | |
| Vanes sticking in rotor | See POWER STEERING PUMP article | |
| Swish noise in Pump | ||
| Defective flow control valve | See POWER STEERING PUMP article | |
| Groan in Steering Pump | ||
| Air in fluid | See POWER STEERING PUMP article | |
| Poor pressure hose connection | Tighten and check, replace if necessary | |
| Squawk When Turning | ||
| Damper "O" ring on valve spool cut | See POWER STEERING PUMP article | |
| Moan or Whine in Pump | ||
| Pump shaft bearing scored | Replace bearing and fluid | |
| Air in fluid or fluid level low | See POWER STEERING PUMP article | |
| Hose or column grounded | Check and replace if necessary | |
| Cover "O" ring missing or damaged | See POWER STEERING PUMP article | |
| Valve cover baffle missing or damaged | See POWER STEERING PUMP article | |
| Interference of components in pump | See POWER STEERING PUMP article | |
| Loose or poor bracket alignment | Correct or replace if necessary | |
| Hissing When Parking | ||
| Internal leakage in steering gear | Check valved assembly first | |
| Chirp in Steering Pump | ||
| Loose or worn power steering belt | Adjust or replace if necessary | |
| Buzzing When Not Steering | ||
| Noisy pump | See POWER STEERING PUMP article | |
| Free play in steering shaft bearing | See STEERING COLUMN article | |
| Bearing loose on shaft serrations | See STEERING COLUMN article | |
| Clicking Noise in Pump | ||
| Pump slippers too long | See POWER STEERING PUMP article | |
| Broken slipper springs | See POWER STEERING PUMP article | |
| Excessive wear or nicked rotors | See POWER STEERING PUMP article | |
| Damaged cam contour | See POWER STEERING PUMP article | |
| Poor Return of Wheel | ||
| Wheel rubbing against turn signal | See STEERING COLUMN SWITCHES article | |
| Flange rubbing steering gear adjuster | See STEERING COLUMN article | |
| Tight or frozen steering shaft bearing | See STEERING COLUMN article | |
| Steering gear out of adjustment | See POWER STEERING GEAR article | |
| Sticking or plugged spool valve | See POWER STEERING PUMP article | |
| Improper front end alignment | See WHEEL ALIGNMENT article | |
| Wheel bearings worn or loose | See FRONT SUSPENSION article | |
| Ties rods or ball joints binding | Check and replace if necessary | |
| Intermediate shaft joints binding | See STEERING COLUMN article | |
| Kinked pressure hoses | Correct or replace if necessary | |
| Loose housing head spanner nut | See POWER STEERING GEAR article | |
| Damaged valve lever | See POWER STEERING GEAR article | |
| Sector shaft adjusted too tight | See ADJUSTMENTS in POWER STEERING GEAR article | |
| Worm thrust bearing adjusted too tight | See ADJUSTMENTS in POWER STEERING GEAR article | |
| Reaction ring sticking in cylinder | See POWER STEERING GEAR article | |
| Reaction ring sticking in housing head | See POWER STEERING GEAR article | |
| Steering pump internal leakage | See POWER STEERING PUMP article | |
| Steering gear-to-column misalignment | See STEERING COLUMN article | |
| Lack of lubrication in linkage | Service front suspension | |
| Lack of lubrication in ball joints | Service front suspension | |
| Increased Effort When Turning Wheel Fast Foaming, Milky Power Steering Fluid, Low Fluid Level or Low Pressure | ||
| High internal pump leakage | See POWER STEERING PUMP article | |
| Power steering pump belt slipping | Adjust or replace if necessary | |
| Low fluid level | Check and fill to proper level | |
| Engine idle speed to low | Adjust to correct setting | |
| Air in pump fluid system | See POWER STEERING PUMP article | |
| Pump output low | See POWER STEERING PUMP article | |
| Steering gear malfunctioning | See POWER STEERING GEAR article | |
| Wheel Surges or Jerks | ||
| Low fluid level | Check and fill to proper level | |
| Loose fan belt | Adjust or replace if necessary | |
| Insufficient pump pressure | See POWER STEERING PUMP article | |
| Sticky flow control valve | See POWER STEERING PUMP article | |
| Linkage hitting oil pan at full turn | Replace bent components | |
| Kick Back or Free Play | ||
| Air in pump fluid system | See POWER STEERING PUMP article | |
| Worn poppet valve in steering gear | See POWER STEERING PUMP article | |
| Excessive over center lash | See POWER STEERING GEAR article | |
| Thrust bearing out of adjustment | See POWER STEERING GEAR article | |
| Free play in pot coupling | See POWER STEERING PUMP article | |
| Steering gear coupling loose on shaft | See POWER STEERING PUMP article | |
| Steering disc mounting bolts loose | Tighten or replace if necessary | |
| Coupling loose on worm shaft | Tighten or replace if necessary | |
| Improper sector shaft adjustment | See POWER STEERING GEAR article | |
| Excessive worm piston side play | See POWER STEERING GEAR article | |
| Damaged valve lever | See POWER STEERING GEAR article | |
| Universal joint loose | Tighten or replace if necessary | |
| Defective rotary valve | See POWER STEERING GEAR article | |
| No Power When Parking | ||
| Sticking flow control valve | See POWER STEERING PUMP article | |
| Insufficient pump pressure output | See POWER STEERING PUMP article | |
| Excessive internal pump leakage | See POWER STEERING PUMP article | |
| Excessive internal gear leakage | See POWER STEERING PUMP article | |
| Flange rubs against gear adjust plug | See STEERING COLUMN article | |
| Loose pump belt | Adjust or replace if necessary | |
| Low fluid level | Check and add proper amount of fluid | |
| Engine idle too low | Adjust to correct setting | |
| Steering gear-to-column misaligned | See STEERING COLUMN article | |
| No Power, Left Turn | ||
| Left turn reaction seal "O" ring worn | See POWER STEERING GEAR article | |
| Left turn reaction seal damaged/missing | See POWER STEERING GEAR article | |
| Cylinder head "O" ring damaged | See POWER STEERING PUMP article | |
| No Power, Right Turns | ||
| Column pot coupling bottomed | See STEERING COLUMN article | |
| Right turn reaction seal "O" ring worn | See POWER STEERING GEAR article | |
| Right turn reaction seal damaged | See POWER STEERING GEAR article | |
| Internal leakage through piston end plug | See POWER STEERING GEAR article | |
| Internal leakage through side plugs | See POWER STEERING GEAR article | |
| Lack of Effort in Turning | ||
| Left and/or right reaction seal sticking in cylinder head | Replace, see POWER STEERING GEAR article | |
| Wanders to One Side | ||
| Front end alignment incorrect | See WHEEL ALIGNMENT article | |
| Unbalanced steering gear valve | See POWER STEERING GEAR article | |
| Low Pressure Due to Steering Pump | ||
| Flow control valve stuck or inoperative | See POWER STEERING PUMP article | |
| Pressure plate not flat against cam ring | See POWER STEERING PUMP article | |
| Extreme wear of cam ring | Replace and check adjustments | |
| Scored plate, thrust plate or rotor | See POWER STEERING PUMP article | |
| Vanes not installed properly | See POWER STEERING PUMP article | |
| Vanes sticking in rotor slots | See POWER STEERING PUMP article | |
| Cracked/broken thrust or pressure plate | See POWER STEERING PUMP article | |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.