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Vehicle
Clinic |
Is your vehicle sick? Click here for doctors opinion. |
SOUNDS THAT SHOULD CONCERN YOU(UNDER THE CENTER OF THE CAR OR TRUCK)
Clang
Where: Under the center of the car or truck, near the middle.
When: Starting off at traffic lights. Most often heard on pickups with automatic transmissions, not manuals.
What: The splines that allow the driveshaft to change length where it connects to the tailshaft are binding as you slow down and then releasing when you start off.
Urgency: Annoying, but They All Do That — or at least some of them do it some of the time.
Fix: Packing the spline area with special grease helps for a month or so. Or just sell the car or truck. (MSN)
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SOUNDS THAT SHOULD CONCERN YOU(ONE OR BOTH CORNERS OF VEHICLE)
ThunkThunkThunk
Where: One or both front corners of the vehicle.
When: Going around slow, sharp corners under light throttle.
What: A CV joint that allows your front wheels to turn and still be powered is loose. The boot has failed and let out all the CV joint`s grease, or maybe it is time for it to wear out.
Urgency: Do not travel long distance. Do not use a lot of throttle around sharp turns. Your car will stop suddenly when the joint completely fails.
Fix: Replace the entire off ending half-axle. (MSN)
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REPLACING YOUR OIL FILTER
When changing the oil/servicing your vehicle make sure you get the correct oil filter for your engine. Follow the filter manufacturer`s listings in its catalog or check with the vehicle agent. Many filters that look the same on the outside have different internal valving. Many overhead cam engines, for example, require an `anti-drainback` valve in the filter to prevent oil from draining out of the filter when the engine is shut off. This allows oil pressure to reach critical engine parts more quickly when the engine is restarted. Filters that are mounted sideways on the engine typically require an anti-drainback valve.
CAUTION: The threads on a spin-on filter must also be the correct diameter and thread pitch (SAE or metric) for your engine. If you install a filter with SAE threads on an engine that requires metric threads (or vice versa), you can damage the threads that hold the oil filter in place. Mismatched threads can also allow the filter to work loose, which causes a sudden loss of oil pressure that may ruin your engine!
CAUTION: Hot oil is thinner and runs out faster but can also burn you if you`re not careful. In any event, avoid unnecessary skin contact with oil because oil is a suspected carcinogen (causes cancer).
Changing the oil when it is cold may take a bit longer because the oil will drain more slowly from the engine, but there`s no danger of being burned. Also, most of the oil will have drained down into the oil pan when the engine has sat for a period of time, which means that one would actually get a little more of the old oil out of the engine than if you attempt to drain it while it is still hot.
Used motor oil should be disposed of properly. An Environmental Protection Agency does not consider used motor oil to be a hazardous chemical, but it can foul ground water and does contain traces of lead. The best way to dispose of used motor oil is to take it to a service station, any other facility for recycling. The old oil will either be re-refined into other lubricants or petroleum products, or burned as fuel.(adopted from Yahoo Autos)
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BRAKE LIGHT STAYS ON
If the light is on all the time, it could mean you simply forgot to release the parking (emergency) brake. If the brake warning light remains on when the parking brake is released, then something is amiss.
In some cases, the brake warning light may remain on if the switch on the parking brake pedal or lever is misadjusted. Nothing is wrong with the brakes and a simple adjustment should fix the problem.
If the brake warning light comes on when you apply the brakes, or is on continuously, it means that hydraulic pressure has been lost in one side of the brake system or that the fluid level in the master cylinder is dangerously low (due to a leak somewhere in the brake system). In either case, the fluid level in the master cylinder should be checked. Adding brake fluid to the master cylinder reservoir may temporarily solve the problem. But if there`s a leak, the new fluid will soon be lost and the warning light will come back on.
Brake fluid leaks are serious because they may cause the brakes to fail! So avoid driving the vehicle until the system can be inspected. Leaks can occur in brake hoses, brake lines, disc brake calipers, drum brake wheel cylinders or the master cylinder itself. Wet spots at hose or line connections would indicate a leak that needs to be fixed.
Leaking brake fluid can also contaminate the brake linings, causing them to slip or grab. The uneven braking action that results may cause the vehicle to veer to one side when the brakes are applied. Brake shoes or pads that have been contaminated with brake fluid cannot be dried out and must be replaced.
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SOUNDS THAT SHOULD CONCERN YOU( INSIDE THE WHEELS)
EEEEEEEeeeee
Where: Inside the wheels.
When: Slowing down; it is sometimes worse on damp days.
What: Your brake pads are stroking the discs like a violin bow.
Urgency: Sometimes they do that. Your brakes still work fine.
Fix: Try new pads, adhesive to hold pads to the piston, or shims to insulate the piston from the pads. (MSN)
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