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Feel, Hear, See, Smell: Part Two

By

Feel, Hear, See, Smell: Part Two

    Too Loud

  • Loud exhaust:
    There is a loud exhaust noise that may be coming from either the front or rear of the vehicle.

    Possible causes:
    1. Muffler or exhaust pipe worn out: Replace muffler and pipes as required.

    2. Exhaust manifold cracked or broken: Replace exhaust manifold.

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  • Engine backfires when you press on the gas pedal:
    In short, you have a serious problem. Every time you step on the gas the engine makes a popping sound. The popping may be loud or soft.

    Possible causes:
    1. Your camshaft-timing belt or chain may have slipped: Replace timing belt or timing chain.

    2. The ignition timing may be set wrong: Adjust ignition timing.

    3. The engine may have mechanical problems: Check compression to determine engine condition.

    4. Your spark plug wires are placed on the wrong spark plugs: Check firing order and place the wires on the correct spark plugs.

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  • Engine backfires when you let off the gas pedal:
    Everything about the way your engine runs is fine, except when you let off the gas pedal there is a loud BANG from the rear of the car. The only time this happens is when you take your foot off the gas.

    Possible causes:
    1. You have a bad air injection diverter valve: Replace air injection diverter valve.

    2. The ignition timing may be set wrong: Adjust ignition timing.

    3. The engine may have mechanical problems: Check compression to determine engine condition.

    ~~~~~~~~~~~~~~~~~~~~~~~~~

  • Heater/Air Conditioning fan makes noise:
    Whenever you turn on your fan, it makes noise and sometimes there will also be a lot of vibration with the noise. The noise and vibration will seem to get worse each time you turn on the fan.

    Possible causes:
    1. The blower fan motor is worn: Replace blower motor.

    2. The fan assembly is not firmly mounted in its frame: Retighten fan to blower motor.

    3. The blower fan is damaged: Replace blower fan.

    4. Debris inside fan cage: Remove debris.

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  • Transmission makes a lot of noise:
    A noise that sounds like a groaning or grinding noise is coming from your transmission. The noise is not there when you have the car in park or neutral, and it seems to go away after the car has been driven awhile or when you are moving at higher speeds. The problem may or may not occur more regularly.

    Possible causes:
    1. The transmission's fluid level is low: Fill transmission fluid to proper level.

    2. The fluid in your transmission is contaminated: Flush transmission fluid and replace transmission filter.

    3. The shift linkage for your transmission needs to be adjusted: Adjust shift linkage.

    4. You have an internal problem in the transmission: Overhaul transmission.

    5. The transmission's oil cooler lines are vibrating against the frame or body of the car: Reroute cooler lines for proper clearance.

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  • Noises while turning a corner:
    You notice a knocking, clunking, and/or squeaking noise while you turn a corner. Everything else seems to be fine except for the noise. The problem may or may not be getting worse over time.

    Possible causes:
    1. Something is rubbing against or hitting the steering column: Locate and remove objects contacting steering column.

    2. Your steering linkage needs to be lubricated: Lubricate steering linkage.

    3. A part of the steering linkage is loose or damaged and needs to be replaced: Replace steering linkage parts as required.

    4. Your tires are hitting or rubbing against something: Inspect tires and wheel wells and repair or relocate rubbing parts.

    5. You have worn suspension pieces: Replace worn suspension pieces.

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  • Noises from the power steering unit:
    You notice a whining or moaning from the steering when you turn the steering wheel all of the way in one direction. Everything else seems to be fine except for the noise. The problem seems to be getting worse over time.

    Possible causes:
    1. The power steering drive belt is damaged or loose: Tighten or replace power steering drive belt as required.

    2. The fluid in the system has air in it: Bleed power steering system.

    3. The fluid level in the power steering reservoir is low: Fill fluid to proper level.

    4. The mount for the power steering pump is loose or damaged: Repair or replace power steering pump mounts as required.

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  • Brake Pedal Pulsates And/Or Chatters When Braking On Slippery Surfaces:
    This is a normal condition for Anti-Lock Brakes (ABS). Do not pump the pedal and maintain a constant pressure on the brake pedal. Let the ABS do all the work.

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