ASE Study guides, Class notes & Summaries

1. The truck with the air suspension system shown above leans to the right. Technician A says that valveX could be the cause. Technician B says that valve Y could be the cause. Who is right? A. Technician A only B. Technician B only C. Both A and B D. Neither A or B - Answer 1. The correct answer is C, both technicians are right. Height control valves can fail in either direction-that is, by controlling the height at too great a level or at too low a level. If the truck leans, the cause ...

ASE A4 practice test questions and answers 100% pass 2. A driver says that the front end of his car vibrates up and down while traveling at most road speeds. Tech A says that too much runout of the front wheels could be the cause. Tech B says that a static out of balance of the front wheels could be the cause. Who is right? A. Tech A only B. Tech B only C. Both A and B D. Neither A or B - Answer ️️ -C. Both Techs are right. Too much runout or static out of balance in the front wheels...

True Toe can cause tire wear if not within manufacturer's specifications (True or False) True Camber can cause tire wear if not within manufacturer's specifications (True or False) False Caster can cause tire wear if not within manufacturer's specifications (True or False) Technician A only Technician A says that a PAX run-flat tire uses a special wheel. Technician B says that a standard tire can be used to replace a PAX run-flat tire. Which technician is correct ? Rear spacing ...

1. an engine miss is being diagnosed using a cylinder leakage test. Technician A says that any cylinder with over 20% leakage has excessive leakage. Tech B says that air leaking from the tailpipe indicates a cracked cylinder. A only B only Both A & B Neither A nor B A only If cylinder leakage exceeds 20%, check for air escaping the tailpipe, the PCV valve opening in the rocker arm cover, and the top of the throttle body or carburetor. Air leaking from the tailpipe usually indicates a...

A CCOT system has a high high side. Technician A says to suspect the thermostatic expansion valve. Technician B says this system contains an orifice tube. Who is correct? TECH B is correct. A clogged orifice tube will result in high high side pressure. It can become clogged with contaminants, debris from a damaged compressor, or a broken desiccant bag releasing desiccant into the refrigerant. A vehicle's air conditioning performance is reduced at low speeds and stop lights, but cools at ...

A vehicle is brought in with a bent subframe. Technician A says to section the subframe. Technician B says the subframe should not be repaired and must be replaced. Who is right? A, B, Both, or Neither Technician B only The subframe should never be sectioned, and should rarely, if ever, be worked. It is typically a bolt-on part that does not lend itself to traditional straightening methods. Vehicle manufacturers recommend replacement. The first step in bleeding brakes is to: A. check t...

What is the difference between a unitized frame and a uni-body? There is no difference. In a unibody or unitized vehicle, the frame and body are incorporated into a single welded structure. Should exhaust damaged systems be welded and repaired, or replaced all together? Replaced. Exhaust gases contain poisonous carbon monoxide and leaks could create dangerous conditions for passengers. The "Inside Out" sequence refers to... Calculating Labor times SAI refers to... An angle in the suspe...

A A drum is chattering on the brake lathe. This could be the result of: A. Failure to install the dampening belt. B. Cutting too slowly. C. Dull cutting blades. D. Cutting speed too fast. C A vehicle is equipped with a hydro-boost brake system has a hard pedal with little braking action. Which of the following could be the cause? A. Low brake fluid B. Air in the brake fluid C. Low power steering fluid D. An overtightened power steering belt D Which of the following could cause exces...

Which of the following should be done after installing a new copper injector sleeve? A. Heat it B. Dress it C. Ream the seat D. Coat it with a looking compound C. Ream the seat (This reaming ensures there will be a good clean area for the injector to seal against) A diesel engine has oil in the radiator. Which of the following would be the cause? A. Cracked piston cooling nozzle B. Cracked oil cooler C. Restricted turbocharger drain line D. Restricted exhaust gas recirculation (EGR...

When a diesel engine is operated under a load, coolant continually comes out of the radiator overflow and there are bubbles in the radiator. Which of these is the most likely cause? (A) Too much coolant in the cooling system (B) A clogged radiator (C) A stuck-open thermostat (D) Compression leakage into the cooling system D A diesel engine has excessive black smoke when started in the morning. Which of these could be the cause? (A) A bad fuel injection nozzle (B) A restricted fue...

ech observes that the brake fluid level is at the "Min" mark in the master cylinder reservoir. Tech A says that worn front pads could be the cause. Tech B says that a leak in the brake hydraulic system could be the cause. Who is right? (1) Both A and B (1) The tires of a vehicle are being rotated and balanced. Tech A says that the wheel weight retaining clips must be matched to the rim profile. Tech B says that the directional tires are rotated in a criss-cross pattern. Who is right? ...

How would you adjust a rack yoke bearing? Tighten, then look at OEM specifications and back off by the suggested amount of degrees. If a customer states that their steering wheel turns more to the left than to the right, what are some of the most likely causes? - Incorrectly timed steering gear - Bent pitman arm - Bent tie rod A customer says that their vehicle is difficult to steer, but only in one direction. What is the most likely cause? A faulty or leaking power steering gear. Wha...