ASE Steering

A constant buzzing noise comes from the power steering pump. Tech A says the cause could be air in the system. Tech B says the cause could be that the relief valve is stuck in the open position. Tech A Tech B Both Neitherq

A

A steering gear binds when turning to the left after it has been adjusted. The MOST likely cause is that the. A. Worn bearing preload was set too high B. Steering shaft U-joints are sticking C. Gear box was not centered when the lash was adjusted D. Recirculating ball nut thrust adjustment is off

A

A tech plans to replace tires on a truck with normal tire thread wear. He has inspected the suspension and steering system and no defects have been found. After he has replaced the tires, What should he do with the the old tire castings? A. Have the castings retreaded B. Discard the Castings C. Use them on an Off-road truck D. Use them on a Trailer

A

Tech A says a power steering cooler helps to keep the lubricant temp low in normal operation situations. Tech B says a power steering cooler will keep the system from overheating int he event of a failure Who is right Tech A Tech B Both Neither

A

Tech A says that camber on a truck should be slightly positive. Tech B says that negative camber compensates for the normal deflection of the axle and front suspension joints. Who is right Tech A Tech B Both Neither

A

Tech A says that hub piloted wheels and their hardware CANNOT be using on an axle with stud piloted wheels. Tech B says that on dual wheels, hub piloted wheels and stud piloted wheels CAN be mixed Who is right Tech A Tech B Both Neither

A

The driver of a new truck says that he feels a light tire thump. Tech A says the cause could be an out of balance tire. Tech B says the cause could be an overinflated tire. Tech A Tech B Both Neither

A

The driver of a truck that has just had its front springs and hangers replaced says that it is hard to keep the steering wheel straight-ahead position. Tech A says gathering cause could be that the caster shoots were installed backwards. Tech B says the cause could be that the wrong spring hangers were installed. Who's right? Tech A Tech B Both Neither

A

Which of these would cause the front tires of a truck to show a feathered-edge wear pattern? A. A wrong toe in setting B. A wrong caber setting C. A wrong caster setting D. Wrong tire pressure

A

A technician has been asked by a customer if he can get more even tire wear, and thereby improve tire life, by rotating the eight tires on the tandem drive axles of his tractor. Tech A says its a waste of tome because all the tires endure practically identical stresses and wear patters. Tech B says it will be worth while because irregular patterns will be canceled out? Tech A Tech B Both Neither

B

A tractor with a single height gauge control valve exhibitions a ride height that is consistently too high. A brief inspection has revealed that the height control valve is in reasonable mechanical condition and properly adjusted. Tech A says to check the air brake system operating pressure and make sure it is not too high. Tech B says to check the psychical condition of all the shock absorbers as well as all the travel stops that may be incorporated in the suspension. Tech A Tech B Both Neither

B

A truck has exhibited problems with spring leaf failure that can be explained by inadequate clamping force. During an inspection a technician is having trouble deciding whether or not a particular spring stack is adequately clamped. He knows the fasteners are properly torqued, but suspects bad fasteners have been used and wants a quick way to determine whether or not attaching parts should be replaced to protect the springs from further problems. Tech A says that if the stack feels and looks tight and the parts retain the required torque after a few miles of operation, the fasteners are working. Tech B says to rap the U-bolts with a brass hammer. If the bolt yields a ringing sound torque is probably OK, if it yields a dull thud, it should be replaced. Tech A Tech B Both Neither

B

All fo the following are basic principles apply to sound leaf spring suspension repair procedures except A. If a truck has run for a long time with broken spring leaf, replace the entire set B. Never retorque the nuts that fasten U-bolts because this will stretch the bolts excessively(they were stretched to their limit during initial torque, if it was properly done) C. If a single leaf in a set of long front springs breaks, replace the entire set, even if you think you've caught the problem promptly D. Never reuse U-bolts because they stretch during normal initial torque.

B

It is recommended to retorque wheel studs and nuts after A. 100-200 miles B. 50-100 miles C. 300-350 miles D. Never

B

Steering wheel free play for a 16 in steering wheel should be A. 6 3/8 in B. 6 3/4 C. 5 3/8 D. 5 1/2

B

Tech A says that when a kingpin is found to be loose, lubricating the kingpin will eliminate the problem permanently. Tech B says that lubricating the kingpin will only temporarily solve the problem. Who is right Tech A Tech B Both Neither

B

Tech A says that when diagnosing a power steering leak the wheels should be straight ahead position. Tech B says that when diagnosing a power steering leak the steering wheel should be rotated from stop to stop to put pressure on the system. Tech A Tech B Both Neither

B

Tech A says when a single wheel stud is cracked or damaged only the affected stud or nut should be replaced. Tech B says if a single wheels turn is cracked or damaged all studs on that wheel should be replaced. Who is right Tech A Tech B Both Neither

B

The drive axles on a truck with a walking beam suspensions are out of alignment in a manner that is causing the vehicle tire wear and steering instability. Tech A says the cause could be that the torque rods are too loving or too short. Tech B says the cause could be worn walking beam bushings. Who is right? Tech A Tech B Both Neither

B

The driver of a truck says that it is too hard to steer and that the steering wheel return is too fast. Which of these is the MOST likely cause? A. Too much negative caster B. Too much Positive Caster C. Too much Negative Camber D. Too much positive Camber

B

What is the maximum deflection of the front axle when a tech is bending it to achieve a correct camber reading? A. 1/4 in B. 1/2 C. 3/8 D. 3/4 7

B

Which of these is MOST likely to cause steering wheel shimmy A. Too much positive caster B. Out-of-Balence wheels C. Air in the power steering system D. Low tire pressure

B

A technician is replacing a trucks kingpin. He has measured the kingpin bores and found them to be over the manufacturers specs. What should he do next? A. Discard the axles B. Install shims C. Check to see if oversized kingpins are available. D. None of the above

C

A truck fleet has had repeated tire blowouts, and wished technical advice on solving their problem. Tech A says they should review their tire changing procedures to make sure the proper tire tools and sealing solvents are being used. Tech B says they should revered their procedures and make sure they are sealing the tires inner liner when a puncture occurs. Tech A Tech B Both Neither

C

A truck steers to the right practically all the time. All of the following are probable causes that should be checked EXCEPT A. Incorrect caster setting B. Incorrect camber setting C. Loose suspension components D. Malfunctioning break slack afjuster

C

A trucks leaf spring have broken at a low mileage A careful inspection reveals no problems related to the spring system, such as frozen shackle bushings or worn hangers, bushings or spring pins. The truck has not been run overloaded. Tech A says the problem may have occurred because the U-bolt nuts were not retorqued at specified intervals after the springs were replaced. Tech B says the whole problem could be re-use of old U-bolts or installed of an inferior type of U-bolts. Tech A Tech B Both Neither

C

A vehicle has exhibited power steering fluid leakage. Disassembly of components has revealed deteriorated seals in both the pump and steering gear. Tech A says to find out if the chemicals has been run severely overloaded. Tech B says to check for use of an I corrected replacement hose. Tech A Tech B Both Neither

C

According to CVSA out of service Criteria, tire tread depth in two adjacent grooves should not be less than A. 1/32 in B. 3/32 in C. 2/32 in D. 3/64 in

C

Checking the front end alignment on a truck, it is necessary to add ___ and ___ to get the included angle. A. King pin inclination B. Caster and camber C. King pin inclination and camber D. Toe in and caster

C

Tech A says radial runout on cast spoke wheels can be adjusted by loosening and retorquing the rim clamps. Tech B says to adjust runout on disc wheels the tire must be separated from the rim and rotated 180 degrees. Who is right Tech A Tech B Both Neither

C

Tech A says that steering columns are collapsible to prevent the column from causing serious injury to the driver during collision. Tech B says that when a steering column has been collapsed, the entire column must be replaced. Tech A Tech B Both Neither

C

Tech A says the air-assist safety valve should cut off steering assist when the dash mounted reservoir air pressure gauge drops to 60-65 psi. Tech B says that turning the adjustment screw counterclockwise will lower the valves cutoff point. Who is right Tech A Tech B Both Neither

C

The driver of a truck says that he hears clattering noise from the friend axle when driving on a rough road. Tech A says the cause could be worn shock absorber mounting bushings. Tech B says the cause could be worn shackle bushings. Who's right? Tech A Tech B Both Neither

C

The driver of a truck with power steering says that it takes to much effort to steer. Any of these could be the cause EXCEPT A. Too low a power steering fluid level B. Front-end out of alignment C. Too much steering gear backlash D. A sticking relief valve

C

The steering gear sector shaft preload is to be set. Tech A says the steering wheel must be in the center position. Tech B says the drag link should be disconnected from the pitman arm. Tech A Tech B Both Neither

C

What is the meaning of the acronym D.I.P.? A. Diagnose install position B. Drive inspect pressure C. Deflate, inspect protect D. None of the above

C

Which of the following is NOT a characteristic of air suspension A. THe ride is smoother when the truck runs empty B. Is more often used on derive and trailer axles than the front axle C. Does not provide much roll stiffness( allows the vehicle to lean more in turns than springs) D. Has springs that usually last a long time

C

Which of the following is the least likely to cause chronic spring breakage: A. Seized shackle bushings B. Worn Spring hangers C. Loose king pins D. Improper U-bolt Torque

C

A Trucks frame is being inspected and a crack has been found in the side rail that is moving toward the bottom flange around the radius of the rail. According to CVSA out of service criteria the crack should be no longer that A. 2 in B. 3 1/2 in C. 3 1/4 in D. 1 1/2 in

D

A truck exhibits a strange combination of symptoms. The drive axles exhibits chorionic seal wear problems. At the same time, there is some evidence of irregular drive axle tire wear. There is no evidence of driveshaft imbalance or worn driveshaft parts. The MOST likely cause of the problem is: A. Driver abuse of the truck frequently popping the clutch in very low gears on a steer upgrade B. Sever imbalance of the drive axle tires and wheels C. Worn shock absorbers on the tandem drive axle suspension system D. Worn bushings in the torque rods locating the drive axles

D

A truck with air suspension repeatedly exhibits shock breakage. All of these are items that should be check EXCEPT A. Check the part numbers of the shocks and make sure they are correct for the vehicle B. Check the function of the right height control valve C. Check the torque of the shock mounting bolts D. Check to make sure the vehicles tire pressure are not excessively high

D

A trucks power steering pump has an internal failure. The Power steering fluid has been checked and no signs of discoloring or contamination have been found. Tech A says after the pump is replaced, any type of power steering fluid is acceptable to use in the system. Tech B says after replacing the pump the system should be flushed

D

All of the following are characteristics describe a remote mounted power steering reservoir EXCEPT A. Mounted inside the engine compartment B. Mounted higher than the power steering pump C. Vented to the atmosphere D. Sealed with an O-ring or gasket

D

All of the following will cause excessive steering looseness EXCEPT A. Sector shaft adjustment loose B. Worn Linkage C. Excessive gear worm endplay D. Loose Power steering belt

D

All of these must be checked before aligning the front wheels on a truck EXCEPT A. Tire Pressure B. Trim height C. Wheel bearing adjustment D. Tire balance

D

During inspection of a tire, a technician finds a slight bulge in one are of the tread. The next step taken should be: A. Remove the tire from the rim and seal the inner liner.(the bulge probably results from an air leak) B. Replace the tires as its use is in violation of CVSA regulations and would put the truck out of service if it were subjected to a road side inspection. C. Have the ruler retreaded D. Measure the size of the bulge to see if it is no greater than 3/8 inch and look for a small blue triangle stamped into the tire nearby.

D

The vehicles suspension system must do all of the following EXCEPT A. Support the load B. Articulate the load(that is maintain alignment during up and down motion) C. Remove excess energy that otherwise becomes stored up in the springs and prevents smooth ride D. Provide a rigid foundation for frame or trailer support

D

Which of these is least likely cause of too much front tire wear? A. Under inflated tires B. Out of balance tires C. A wrong toe in setting D. A wrong caster setting

D

While driving down a smooth straight road, a truck diver says that it is hard to keep the truck going in a straight line. What is the LEAST likely cause? A. Lack of lubrication in the steering gear B. Steering fear loose at the frame mounting C. Pitman Arm loose at the steering gear D. Excessive air Pressure in the tires

D

When adjusting caster, technician a says shims can be stacked up to three high. Technician B says that the caster difference from side to side should not exceed 1°.Who is right? Tech A Tech B Both Neither

During a tire inspection the technician notices cupping marks around a tire. What is the most likely cause. A. Shock absorbers B. Camber C. Toe out on turns D. Toe in