Under Car Inspection and Service Chapter 14 Page 169

Under Car Inspection

Tire Inspection

Tire Wear Indicators When the tread wears to this point, the tire needs replacing

Measuring Tire Pressure

Brake System Checks Disc Brakes Disk Pad Thickness Comparison Drum Brakes Drum Brake Lining Thickness Comparison

Disk Brake Check

Items to Check (disk) Check Lines for Checks, Chaffs, and Bulging Check the caliper and mount for tightness Check the condition of the lug studs---- and axle nut for tightness Check the rotor For warpage, cracks, and roughness

Drum Brake Check

Items to Check (drum) Check Lining Thickness All springs for “spring” Check anchoring clips Check Wheel Cylinder for Leakage

After checking the brake pads, replace the road wheel but don't put lug nuts into the socket of the impact wrench and power the lug nuts on; this practice can lead to the wheel nuts or studs going on cross- threaded. After checking the brake pads, replace the road wheel but don't put lug nuts into the socket of the impact wrench and power the lug nuts on; this practice can lead to the wheel nuts or studs going on cross- threaded. When inspecting the caliper be very careful because the caliper may be hot if the car has been driven recently. When inspecting the caliper be very careful because the caliper may be hot if the car has been driven recently. Warning

Lubricating Chassis

Grease Gun and Fittings Sometimes called “Zerk” fittings Guns will have flexible hoses too “Grease Points”

Suspension Checks

See Anything Wrong Here? Broken Shackle *Sometime things blend in and are tough to spot!

Steering System

Steering Parts to Check Ball Joint Pitman Arm Center Link Tie Rod End Idler Arm

Check All Items-Customers Can’t Get Under Their Vehicles in Most Cases Checking oil levels Make sure you are thorough There are many things to check- Don’t forget to record things that need attention Check CV Boots

Hanger Exhaust Driveline and Shock/Struts Broken CV Joint (constant velocity) Shocks and Struts Check U-Joints

Checking Driveshaft

Items to check: Items to check: Ensure all rubber bellows or boots that are fitted to steering components are in good condition so that they do not allow contaminants to enter. Ensure all rubber bellows or boots that are fitted to steering components are in good condition so that they do not allow contaminants to enter. Have an assistant help you when you are moving the steering system and checking for wear. Have an assistant help you when you are moving the steering system and checking for wear. This is a systematic visual inspection of all major vehicle systems. Be prepared to note down any faults to discuss later with your supervisor. This is a systematic visual inspection of all major vehicle systems. Be prepared to note down any faults to discuss later with your supervisor. *Consider using head protection.

Items Cont. Items Cont. The steering area inspection includes tie-rods, tire and wheel assembly, suspension bushes, shock absorbers and brake hoses. The steering area inspection includes tie-rods, tire and wheel assembly, suspension bushes, shock absorbers and brake hoses. In the transmission area, you'll be looking for fluid leaks, tightening mounting bolts, and inspecting the clutch mechanism or shift linkage. In the transmission area, you'll be looking for fluid leaks, tightening mounting bolts, and inspecting the clutch mechanism or shift linkage. Clamps and bolts may need tightening on the exhaust system and manifold pipe. You'll also be looking for signs of exhaust leaks, corrosion or deterioration. Clamps and bolts may need tightening on the exhaust system and manifold pipe. You'll also be looking for signs of exhaust leaks, corrosion or deterioration.

Items Cont. Items Cont. You'll be checking for any excess movement in driveline shafts. You'll be checking for any excess movement in driveline shafts. Look for leaks around the differential and check the rear shock absorbers or leaf springs. Look for leaks around the differential and check the rear shock absorbers or leaf springs. The fuel tank must be secure and fuel lines inspected for damage or abrasion. The fuel tank must be secure and fuel lines inspected for damage or abrasion.

Fuel Filter Change Compare old with the new Very Flammable be careful Release fuel pressure Keys out of ignition Pull fuel pump fuse Catch any gas that drips Directional important

Fuel Filter Change

Adjusting Parking Brake Cable

Adjusting Parking Brake Lever

Adjusting Parking Brake

Your Job. Complete chapter Questions 1-10 (review) and 1-10 (ASE-style). Page 179 Complete chapter Questions 1-10 (review) and 1-10 (ASE-style). Page 179 Write on a separate paper and write out the complete question and your answer. ( do not write the other answer options). Write on a separate paper and write out the complete question and your answer. ( do not write the other answer options). Complete the chapter worksheet (I will give it out). You may write on it. Complete the chapter worksheet (I will give it out). You may write on it. File all items in your note book. File all items in your note book. Notebooks will be graded in the future. Notebooks will be graded in the future.