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Miscellaneous Useless Information

Miscellaneous Useless Information. Jim Halderman. Introduction. Former flat-rate technician, business owner and professor of Automotive Technology. Why this Topic?. Students want to know if something being discussed is a “ need to know ” Some things are “ nice to know ”

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Miscellaneous Useless Information

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  1. Miscellaneous Useless Information Jim Halderman

  2. Introduction • Former flat-rate technician, business owner and professor of Automotive Technology

  3. Why this Topic? • Students want to know if something being discussed is a “need to know” • Some things are “nice to know” • Some things are “miscellaneous useless information” • Which do you think students remembered the most?

  4. Gale L. Halderman

  5. The penny on the wheel cover story

  6. NEON Front Fender

  7. Roof steel thickness Ford engineer said: “Has to be just thick enough to keep the rain out”

  8. Torque Paint

  9. You can’t see both sides of a car at the same time • When selling a vehicle, put the best wheels on the driver’s side.

  10. OE Tires

  11. Tire noise • According to tire engineers: • 80% of the tire noise is transmitted into the passenger compartment through the chassis (bushings, etc.) • Just 20% of tire noise is transferred through the air

  12. Smooth in=toed inSmooth out=toed out • If rough feeling front to rear along the tread= high speed cornering.

  13. Shock when touching metal • Silicon used in tires and replacing the carbon black • Use static guard spray on the seats

  14. TPMS-check the spare!

  15. Font size • Using Arial font is commonly used • Times New Roman takes up less space • Therefore, if you are trying to get more text in a same space, use Times New Roman font

  16. Power Point Trick • B= black screen (no need to shut off the projector) • W= white (can be used to light the white board)

  17. Cadillac Gas Gauge Story

  18. Fuel Level Sensor Values • F= 194-220 Ohms • ¾= 156 Ohms • ½= 125 Ohms • ¼= 85 Ohms • Low Fuel Light= 55 Ohms • E= 45 Ohms (about2 Gallons)

  19. Genie Light?

  20. Dash warning lights mean?

  21. Wiring Numbers • Connectors (C or J) • Grounds (G) • 100s=under the hood • 200s=under the dash • 300s =in the passenger compartment • 400s= in the truck or rear compartment

  22. OBD II Plug-Pins 4 and 5 are longer

  23. VOLT plug is an SAE standardized plug

  24. Hybrid 12-volt Auxiliary battery • If the 12-volt battery is inside the vehicle then it is an absorbed glass mat (AGM )type • If the 12-volt battery is located under the hood, it is a flooded cell type

  25. Battery date codes • The shipping sticker shows month and year. • The month is a letter.(February,2003)

  26. 7X cost = Retail Price Example: Cost = $5.00 Sell to Warehouse Distributor (WD)= $10.00 (100% markup is a 50% margin) WD sells to local parts warehouse (divide by 0.65)(35% margin)= $15.38 Warehouse sells to parts store = $23.67 Parts store sells to customer = $36.41

  27. AOP and AOD

  28. The least used seat is behind the driver I used this information to replace door window crank with one that is broken. I replaced it with the one on the left rear….. no one noticed it.

  29. CAT -2004+ (rear brick is reduction)

  30. CAT Universal- measure rear brick

  31. Torque • Is it Lb-Ft? • Or is it Ft-Lb? • Officially is expressed as a force times a distance • Therefore it should be lb-ft • The metric unit is OK (Newton-meter)

  32. The second click story

  33. HP and Torque curves must cross • HP= Torque times RPM/5252 • The two curves must cross at 5,252 RPM

  34. Full-time four-wheel drive or all-wheel drive vehicles • Four-wheel drive or all-wheel drive vehicles must have tire tread depth all within 1/16 inch of each other • If not, then a vibration will likely occur • Transfer case damage is also very likely

  35. The Binder Clip Trick

  36. Lexus Alignment Rack Story

  37. An engine stops with one cylinder 70 degrees BTDC Engine stops when one cylinder is on the compression stroke. That is why ring gears always seem to show wear at certain places and not spread uniformly around the gear.

  38. Styrofoam block?

  39. Hourly rate to yearly pay • Take the rate per hour and multiply by 2,000 • (50 week times 40 hours = 2,000 hours) • $10 an hour equals $20,000 a year • You can also work backward: • $50,000 a year is equal to $25 an hour • $50,000/ 2000 = $25

  40. My Favorite Saying

  41. Rule of 72 • If money earns 10% interest, then your money will double every 7.2 years. • If money earns 7.2% interest, your money will double every 10 years.

  42. Human Body • Likes 68 to 78 degrees F • Lower than 68 F, most want heat • Higher than 78 F, most want cooling

  43. C degrees to F degrees • To easily convert from Celsius to Fahrenheit degrees: • Double it and add 25 • 20° C X 2= 40 + 25 = 65°F (Actual =68°F)

  44. Ignore the wind-chill factor • The wind chill factor is used to estimate the amount of heat loss from the human body when exposed to cold and wind. • The wind does not change the temperature. • Antifreeze does not need to be able to protect against freezing to the wind-chill temperature…..just the air temperature

  45. Noise rules- Remember ”EARS” • E= Earplugs • A=Avoid (if you have to shout to be heard, you need hearing protection) • R= Reduce volume • S= Shorten time of exposure

  46. E85 is not 85% Ethanol • Usually tested as being 81% to 82% • Can be as low as 70% in the winter.

  47. Pound with something softer When pounding on something pound with: • Brass on steel • Plastic on aluminum • Plastic or rawhide on plastic

  48. Paper on Table Demo • Place paper on table • Place both hands together in the center and move them outward • Nothing happens to the paper • Now place hands at the ends and move toward the center • The paper wrinkles • Students will remember how to properly tighten fasteners in the proper sequence

  49. click-click vs. clunk-clunk

  50. Do no harm • Use a plastic ice scraper as a gasket scraper to avoid causing damage to aluminum parts.

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