Trouble Shooting

Trouble Shooting – Suspension and Steering Systems

Trouble Shooting – Suspension and steering systems

Note: Before attempting to diagnose the suspension and steering systems, perform the following preliminary checks:
a) Tires for wrong pressure and uneven wear.
b) The steering couplings from the column to the steering gear for loose connectors or wear.
c) The front and rear suspension and the steering gear assembly for loose or damaged parts.
d) Out-of-round or out-of-balance tires, bent rims and loose and/or rough wheel bearings.

Vehicle pulls to one side.

The tires are mismatched or uneven.

The torsion bars are broken or sagging.

Needs wheel alignment.

The front brakes are dragging.

Abnormal or excessive tire wear.

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By admin on September 20, 2009 | Suspension, Trouble Shooting
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Trouble Shooting – Air Cooled VW Brakes

Trouble Shooting – Brakes

Note: Before you assume that a brake problem does exist,
make sure that:
A) The tires are in good condition and are properly inflated.
B) The front-end alignment is correct.
C) The vehicle is not loaded with weight in an unequal manner.

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Trouble Shooting – Manual transaxle

There is knocking noise at low speeds.

The driveaxle constant velocity (CV) joint(s) are worn.

Noise most pronounced when turning.

There is differential gear noise.

Clunk on acceleration or deceleration

The engine or transaxle mounts are loose.

The differential pinion shaft in case if worn.

The damaged driveaxle CV joints are worn.
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Trouble Shooting – Clutch

The pedal travels to the floor with no pressure or very little resistance

The release bearing or fork is broken.

The diaphragm spring in the clutch pressure plate has collapsed.

High pedal effort

The clutch cable is worn.

The clutch release shaft/housing is worn.
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Trouble Shooting – Automatic Stick Shift

Fluid leakage

The automatic transmission fluid is a deep red color. The fluid leaks should not be confused with the engine oil, which can be blown onto the transaxle by airflow really easily.

In order to pinpoint a leak, you ll need to first remove all the built-up dirt and grime from the transaxle housing with degreasing agents and/or steam cleaning. After this, drive the vehicle at low speeds so the airflow will not blow the leak far from its source. Raise the vehicle and determine where the leak is coming from.

The transaxle fluid brown is or has a burned smell.

The transaxle fluid is burned.
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Trouble Shooting – Air Cooled VW Fuel system

Trouble Shooting – Fuel system

Excessive fuel consumption

The air filter element is dirty or clogged.

The ignition timing is incorrectly set.

The emissions system is not functioning properly.

The carburetor/fuel injection internal parts are excessively worn or even damaged.

The tire pressure is low or the tire size is incorrect.
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Trouble Shooting – Cooling system

Overheating

The drivebelt is slipping.

The fan air intake behind the shroud is blocked or restricted.

The thermostat is faulty.

The ignition timing is incorrect.

The air/fuel mixture is incorrect.

Overcooling

The thermostat is faulty.

Trouble Shooting – Air Cooled VW Engine

Engine will not rotate when attempting to start

Check for loose battery terminal connections or corrosion.

Battery is discharged or faulty.

The Automatic Stick Shift is not in Neutral.

There could be broken, loose or disconnected wiring in the starting circuit.

The starter motor pinion is jammed in the flywheel ring gear.

The starter solenoid is faulty.

The starter motor is faulty.

The ignition switch is faulty.

The starter pinion or flywheel teeth are worn or broken.
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