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Tech Notes (82)

Hot Rod Flatz Black Paint Job Completes Show Car Project

Recently we officially ended the Hardcore Knight project without ever really addressing the paint job. Since it is the first thing you notice on this car, it bears some attention.

The flat black from Kustom Shop’s Hot Rod Flatz collection was used to finish off this project. What’s great about this collection of paints is that it has that old school rat rod feel, but with a durable paint system. This whole flat paint look came from the days when guys would hot rod their rides, but never got past the primer stage when it came to paint. It may have been due to lack of funds, but more likely, since it was in the early days of hot rodding, speed was king and fancy paint jobs came second to horsepower.

 

 

 

Monday, 02 July 2007 16:28

Proper repair of corrosion-damaged windshield pinchwelds maintains cars integrity

Written by I-CAR Advantage Online
    There may be occasions when the pinchweld beneath the windshield has corroded either due to an improperly installed windshield or simply age. This can be detected either by water leaking into the passenger compartment or by excessive wind noise. In some instances, the corrosion isn’t noticed until the glass is being replaced and the windshield has been removed. Regardless of the extent of damage, this corrosion must be removed before the installation of a new windshield. Failure to do so can result in leaks, wind noise, or the windshield not remaining securely in place during a collision.
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 Figure 1
    The damage report reads “repair rear bumper cover.” This sounds fairly routine. Remove the cover from the vehicle, repair, refinish, and reinstall. Job complete, right? Not so fast. The fact is, some vehicles will require a trip to the dealership following the removal of the rear bumper cover or rear hatch. Why? Some of the new features that are integrated into the rear of the vehicle, including rear parking sensors, rear imaging cameras, and other driver-assistance systems may require a calibration procedure following removal   of the rear bumper cover or rear hatch (see Figure 1). The recalibration procedure may be required any time the rear cover has been removed, regardless of whether it has been damaged.
Tuesday, 05 June 2007 15:46

A step-by-step guide to a Dodge front lower crossmember replacement

Written by I-CAR Advantage Online
    The left and right fender and shotgun rail assemblies on the 2002 and later Dodge Ram, 2004 and later Dodge Durango, and the 2005 and later Dodge Dakota, are connected in the front by two radiator crossmembers. Both crossmembers are bolted to the rail assemblies. The upper crossmember is bolted on from the outside, and easily removed. The lower crossmember, however, is sleeved over or into the shotgun rail on both ends 75 mm.
Wednesday, 02 May 2007 14:11

Toyota releases new paintless dent repair consideration

Written by I-CAR Advantage Online

A previous Toyota Collision Repair Information Bulletin (CRIB) #60, dated August 1994, cautioned against performing paintless dent repairs (PDR) on Toyota vehicles, citing three specific reasons. The reasons included damage to the finish, due to microscopic cracking that may not be visible to the unaided eye, damage to the anti-corrosion coatings on the metal from sharp tools prying on inner panels and damage to exterior trim and body panels to gain access to the damage.

Wednesday, 02 May 2007 13:56

Technology changes result in more requirements for engine mount performance

Written by I-CAR Advantage Online

    Automotive engine mounts are designed to support the engine and reduce vibrations and force, transmitted from the engine to the vehicle structure, and from road surface irregularities. Providing adequate engine support requires a firm engine mount, while controlling vibration and force requires a flexible mount.

I asked the supervisor if the car that he was inquiring about was a 2004 or newer Volvo XC90, to which he responded,

Tuesday, 05 June 2007 15:28

A guide to shunting the current when spot welding

Written by I-CAR Advantage Online
    The squeeze-type resistance spot welding (STRSW) process sometimes requires initial help in the form of shunting the current flow. If you have ever used STRSW equipment for repairs you have likely done some shunting, either knowingly or not. A sound spot welding repair requires being aware of when shunting the current is taking place and how to shunt properly.
Thursday, 05 April 2007 16:14

A guide to damage analysis and repairs to satellite radio systems

Written by I-CAR Advantage Online
 More and more vehicles on the road today are being equipped with satellite radio systems (see Figure 1). This advanced entertainment system may present new challenges when doing damage analysis and repairs.
Thursday, 05 April 2007 16:01

Collision repairers need to be prepared to service vehicles with ethanol blended fuel

Written by I-CAR Advantage Online

 Vehicles have evolved from the limited design models 100 years ago to the many unique colors, shapes, sizes, and brands available today. Along with allowing the consumer the option of selecting the vehicle maker, model, trim level, two-wheel, four-wheel, or all-wheel drive, they also can select from either gas, diesel, compressed natural gas, gasoline-electric, or flex-fuel to determine which propulsion system they may want.

Thursday, 05 April 2007 15:08

A unique bedliner repair

Written by I-CAR Advantage Online
 Like spraying paint, application of a spray-on bedliner may have flaws in the appearance that need to be corrected before delivery to the customer. These flaws include drips, runs, sags, or bubbles in the bedliner material. Traditional repair generally requires removing the damaged area, filling the area with plastic repair material or bedliner material, and recoating the bed with another layer of bedliner material.
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