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Automotive How-to

How To Repair Paint Chips

The repair of a scratch and a chip are the same. A scratch is merely a chip on uni-directional steroids. The only problem with a scratch is that it takes more time to be able to blend in the new paint.

Items you need:

1. Touchup or color matched paint

2. Compatible primer - I like Wurth Rustop primer

3. Organic cleaner - P21S Total Auto Wash or Wurth Citrus Degreaser

4. Solvent - Rubbing Alcohol or Prepsol or Enamel Reducer

5. 3M Imperial Hand Glaze

6. Meguiar Finesse Sanding Block 2000 grit

7. Car wash

8. 600 grit wet/dry sandpaper

9. Round undyed wooden toothpicks

10. Large lightweight cardboard boxes (large shoe box or bigger)

11. Several 100% cotton towels

12. Magnifying glass - help for we with older eyes

13. New Pencils with unused erasers

14. Rubber glue

15. Several heavy clean plastic cups

16. Roll of quality paint masking tape

Realize that paint chip repair is a learned skill and should be practiced on an area of the car that is not that visible. The hood and nose are two areas that should be tackled last. Test all cleaners or solvents on the paint prior to usage. I like to use the seam underneath the rocker panels. Apply a little cleaner or solvent to a cloth and rub the seam. If you do not get any color on the rag, then the cleaner/solvent should be safe for the paint. If you do get color on the rag, then you may wish to consider another solvent.

CHIP REPAIR STEPS:

1. At least 24 hours before you want to start, use the rubber glue to attach small 600 grit sandpaper circles (the diameter of the eraser) onto several new pencils. The eraser must be unused and flat on top.

2. Step #1: Wash the car with a quality car wash and dry thoroughly.

3. Paint chips come in two flavors. The worst case has exposed the bare metal, while the less severe has left the original primer intact. Clean the area thoroughly with the P21S or Wurth Citrus degreaser. If there is rust on the exposed metal, clean off with the pencil eraser. Use a toothpick to gently probe the area and make sure that the edges of the chip are secure and not waiting to fall off and destroy your work. This is an optional step! If you do not feel comfortable with sanding or your paint is one of the new clear-coated finishes, you should jump to step number 5. Take a new pencil/sandpaper tool, dip into clean water and put a few drops of water on the chip area. *SLIGHTLY* rough up the chip and a small portion of the surrounding paint. Lightly turning the pencil will rough up an area the diameter of the eraser and this should be more than enough. Keep the roughed up area as small as possible, the object is to give the new paint approximately 1 mm of old paint to "grab" around the perimeter of the chip and not dig scratches.

4. Move onto the next chip and repeat the above. Depending upon the amount of time available, you may wish to tackle 10-20 chips at one time. Try to stay within the area that may be covered by your box(es).

5. When finished sanding all your chips you are tackling at this time apply a small amount of Alcohol or Prepsol or Enamel Reducer to a rag and wipe each chip and surrounding area to remove any sanding dust and grease/oils. Use additional solvent and new area of the rag for each chip. Allow to dry (these are highly volatile and will evaporate quickly with no residue).

6. If the original primer is intact, and "pencil sanding" does not disturb the primer, then skip the next step and go directly to painting (# 9)

7. Make sure that the chip and surrounding area is clean. If not, reclean with the Prepsol, Alcohol or Enamel Reducer. Pour or spray a small amount of primer into a clean plastic cup. Dip the point of a wooden toothpick into the primer to get a thin coating on the first 1-2 mm of the toothpick. If there is a blob on the end, gently scrape it back into the cup. Place the tip of the toothpick against the center of the chip and allow capillary action to literally flow a *THIN* coat of the primer into the depression of the chip. Move onto the next prepared chip. If you have finished priming all your prepared chips before two hours are up, cover with a box, taped down with masking tape and go have a beer. The key is to allow the first coat of primer to dry at least two hours. Dispose of your cup and start with a fresh cup and toothpick. Apply another thin coat of primer to each repair that needs primer. Priming is completed when no metal is visible and the level of the primer is *BELOW* the level of the surrounding paint. This is important! Cover and allow to dry for two hours or until dry.

8. Apply a small amount of Alcohol or Prepsol or Enamel Reducer to a rag and wipe the chip and surrounding area to remove any sanding dust and grease/oils. Allow to dry. Repeat for all the chips that are on today's list of victims.

9. If you are using a touchup, shake the bottle thoroughly. If you are using color-matched paint, mix thoroughly and pour a small amount into a clean plastic cup.

10. Dip the point of a new toothpick into the paint to get a thin coating on the first 1-2 mm of the toothpick. If there is a blob on the end, gently scrape it back into the bottle. Place the tip of the toothpick against the center of the chip and allow capillary action to literally flow the paint into the depression of the chip. Repeat for each chip. The key is not to use too much paint. Do not redip the toothpick. Use only the amount that will flow from one dip. Temptation to add more paint with each application will be almost overwhelming. Fight it!

11. Cover with your paint box and allow to dry 2 hours and repeat 8-12 times till the depression is filled with paint and bulges slightly upward and covers the roughed up area with a thin coating of paint. The first 2-3 coats may not completely hide the primer. This is fine because you have many more coats to go. Fight that urge!

12. The paint application is completed when the new paint bulges slightly upward (a fraction of a millimeter) and had covered the roughed up area with a thin coat of new paint. Allow the paint to dry for at least a week.

13. The touchup paint has been applied to the surface and allowed to dry for at least 1 week, and resembles a minute mound ( __o__ ) (this is exaggerated) on the flat plane of the existing paint. The object is to remove the mound and make the surface of the paint one continuous flat plane. The Finesse Block offers the ability to gently remove only the high spot of the repair. Unlike sandpaper or polish on a rag, the five usable sides of the block are flat and act like a "wood plane" to remove only the elevated areas of the repair. The 2000 grit will not leave scratches.

14. Soak the Finesse Block in clean water for 24 hours prior to use. Put a small drop of car wash on the chip repair. This acts as a lubricant for the sanding block. Then gently "plane" the high spot on the paint. I prefer to "plane" in one direction (usually back to front - drawing the block towards me). If the block dries out, re-wet and continue use. When the new and existing paints are blended (smoothed to the flat plane) to your satisfaction, clean the area using a quality car wash and lots of water and then use a quality glaze to restore the high gloss finish. I prefer 3M Imperial Hand Glaze. Don't use a machine on your car, as it deserves to be caressed by hand. Use a machine on your Yugo or SO.

15. When applying either a glaze or a wax, apply to your soft cotton cloth or applicator pad (don't squirt the stuff on the car) and work in one direction only. Don't go around in circles like dear old dad. Circles are many times the cause of "swirl marks." A front-to-back, back-to-front motion (the way the air flows over the car) will help minimize swirl marks or at least make them less visible. Buff out with a soft cotton cloth. If it looks good, wax with a quality hard wax and you are done.

16. Tip for applying wax. If you are using a quality Carnauba based wax, try applying it with your fingers instead of a pad or cloth. Hold your fingers together and use your fingertips as an applicator pad. The tactile feedback from your fingers will tell you when the wax has been worked into the paint. If grit should lodge under your fingers, you will know immediately and not grind it into the paint. A pad will not allow this tactile feedback and these devil grits become sandpaper. A circular motion of the pad will make a 360-degree swirl mark. All marks on paint are most visible at a 90 degree viewing angle. Thus the front to back marks are most visible from the sides, whereas a circle stands out from any viewing angle.

The question was also asked if clear touchup should be used as a final coat to repair chips on clear coat paint. There are two viewpoints to this question. The purist will say yes, the paint has a clear coat and thus, the repair should also. The process is the same as previously described, except the clear coat is substituted for the last 2-3 coats or paint. The practical world says no. The touchup paint is different from the original paint and is formulated only as a touchup paint. Once it is applied it should, according to the manufacturer, match well enough to be all but invisible. I have found this to be the case with the numerous repairs on the many cars/colors, I have completed. If you are using the original paint as a touchup (I have not done this with a clear coated car), then my understanding is that you should use the clear as a topcoat. The color coat of some paints will many times be relatively dull in appearance. These paints rely on the clear coat to provide the "shine." Try one chip in an area that is not that visible. If the process works, then continue with the rest. If not try the clear coat top layer.
 

Caring for Vinyl

Vinyl is the carefully prepared hide of virgin pampered Arctic Naugas. Many Naugas must die to furnish enough material for just one interior panel (Just kidding). The dash, door panels, seat backs and numerous other interior/exterior trim pieces are usually vinyl. Vinyl may be viewed as raw semi-liquid vinyls that are held in place by a solid vinyl "skin" (this description is for illustration only and not a Ph.D. chemical dissertation). The dash and other vinyl parts are constantly bombarded by UV that breaks down the molecules of the skin, allowing the raw vinyls to escape. This is referred to as "off-gassing". These vinyls may deposit themselves on the glass, forming a haze that is difficult to remove. If you have such a haze, it is probably your dash that had decided to pick up stakes and migrate. Most nationally advertised over the counter silicone oil based products do not usually contain UV protectants and the silicone oils may act as a magnifying glass, intensifying the UV degradation. Silicone oil may also dissolve the essential oils in the vinyl skin, hastening the premature formation of cracks in the vinyl skin. A quality cleaner/dressing product will contain a UV protectant and essential oils to replace lost oils from the vinyl. These protectants are very expensive, so the K-Mart specials may do more harm than good. Silicone oil also has a very strong electrostatic attraction which may be considered beneficial in that it will tend to stay where it is placed, but will also attract every dust particle in the surrounding three counties. Many nationally advertised Vinyl products also contain formaldehyde. As you can imagine, this is not particularly beneficial to the vinyl.

Any vinyl protectant should be applied to a soft cloth and worked into the surface. After a few moments of allowing it to work into the surface, buff off the excess. The dash should be treated more often than any other area, as it is subject to the most severe attack by UV and heat

My personal favorite vinyl protectant is Lexol Vinylex Spray. This in my humble opinion has it all. A very strong UV protectant, essential oils, anti-static (helps keep dust off) and a soft patina finish. Harly Polyguard - This used to be my favorite, till I lost my heart to Vinylex. Leaves a touch more shine to the finish than Vinylex. Somethin' Else - This is the sister to Black Again. Has all the right ingredients and people who love it are died in the wool. I prefer the Vinylex, but that is only a subjective opinion. It leaves a "new car" smell. I think that is why it is not my favorite. I am not a fan of artificial smells. Harly Interior Magic - An old standby that leaves a lemon scent. Some people love it. I don't think a car should smell like lemons, but that's my opinion and I could be wrong. Zymol Vinyl - Another tropical oil product. Leaves a pina colada smell. Diehards will defend this product to the death. I just think it is too much $. Meguiar #40 - A great product that cleans and protects. Does not leave a slippery finish. Meguiar #39 - A very strong cleaner. This should be used carefully and very infrequently. It will clean just about anything out of vinyl. Must be followed by a vinyl protectant. A great cleaner for plastic Targa tops. Sonax Cockpit Spray - This is a German product that is designed for German vinyl. Does a great job, but leaves a little more shine to the surface than I care for. There are a gaggle of users who love it. Wurth Cockpit Spray - ditto above. Wurth people don't like Sonax and vice versa. All of the above products do not contain raw silicone oil or formaldehyde.
 

Rubber Timing Belts in Interference Engines

Interference Engines: ……..Free Useful informatio

When buying a used car always insist on determining if the vehicle has a rubber timing-belt. Be aware that about five years ago an International Oil Company did a follow up on 5,000 cars it had turned back after 3 year leases and traced them to their eventual private owners. All the cars had by then passed through wholesale auction markets and likely one or more retail dealers before being sold to a private owner. The survey disclosed that 50% of the cars had their odometers illegally turned back.

When buying a used car, supposedly with 40,000 miles for example, and determining it has a rubber timing belt, insist on a written guarantee from the seller to guarantee in writing to replace the timing belt at no charge if it fails within another 20,000 miles, a typical recommended total amount (Call any Dealer to get the recommended amount for the particular make of vehicle). After all, the vehicle may in fact already have 55,000 miles on it. If the seller will not make that guarantee, then he is admitting that the mileage is probably not accurate and by implication may well have been turned back. If the seller will not make that guarantee, consider a compromise, such as $100 maximum cost. If not acceptable, walk away and look elsewhere."

Before buying any car, especially 4-cylinder foreign cars, or even 6-cyl. BMW, be aware of the unavoidable cost of $400-$800 to replace the timing belt at anywhere from 50,000 to 70,000 miles if the car has an 'interference' type of engine. The sales person will invariably not mention that an 'interference' type engine powers the vehicle and may not even know what one is. If a timing belt on an interference engine is not replaced at recommended intervals, the repair cost when the belt breaks (not gradually, but always catastrophically) could increase to $3,000 to $5,000 due to engine failure because parts have smashed into each other

An 'interference' engine is an engine design that has been avoided by some manufacturers for well over 80 years. General Motors, Chrysler, etc., typically use a metal chain-type timing belt on push-rod engines (often called a timing chain) to transmit torque from the engine crankshaft o the engine camshaft that opens the valves that admit air and fuel. (Note: on some new cars the fuel is admitted not through the valves but through injectors in the top of the cylinder. Rather than use a steel timing chain, interference engines may use a rubber timing belt with its limited life, whereas steel timing belts typically last 150,000 to 200,000 miles or more.

Valves open further in an interference engine and project further into the combustion chamber than in a 'free-running' engine. This allows outside air at atmospheric pressure flow faster into the combustion chamber through the larger valve opening. The engine can therefore inhale more air, be a little smaller, and still create as much power while reducing its. manufactured cost and also guaranteeing future repair business for its dealer. If a rubber timing belt breaks by not being replaced soon enough, some of the valves stuck in their open position will collide with the top of the pistons, thereby breaking or irreversibly damaging one or the other or both. To make matters worse, it is not possible to measure the wear on such a rubber belt so that it could be replaced when there is some indication of imminent failure. Failure in these belts is catastrophic, without warning. This will require a whole new engine be installed. Woe to the owner. Finally, the rubber belt may have to be replaced long before 60,000 miles solely due to its age. This is really playing a bad poker hand. Interference engines are like a time bomb waiting to explode unless replacing the timing belt at the recommended interval. Be aware of that guaranteed future expense before buying a new car, or especially a used car, " with such an engine.

For details on this subject or for recommended mileage to replace rubber timing belts on interference engines, connect on the Internet to http://www.gates.com/brochure.cfm?brochure=2389&location_id=3053, a worldwide manufacturer of such belts. When its web site appears, click on Replacement parts/Automotive. Look for 'Timing belt replacement Guide'.

Visit http://www.AutoTruckData.com for related resources Copyright 2204-2005 by Beacon Data LLC. Reprinted with permission.
   
There are three major facts that should be watched out for in all payday loans in the United States. If you have already decided to take Levitra, be sure to consult a doctor, you don't have any contraindications and act strictly due to a prescription.
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