HLT 306V WEEK 4 TOPIC 4 ASSIGNMENT 1
2026 COMPREHENSIVE COURSEWORK
QUESTIONS AND SOLUTIONS VERIFIED
◉ When a truck has been involved in an offset front end collision,
what type of frame damage would be expected?!
Diamond damage
Twist damage
Sideway damage
Sag and bow damage. Answer: Diamond damage
◉ When installing a reinforcement plate on a truck frame, how
should the bolt holes be located?!
In a vertical row
In a staggered bolt pattern
Close to the upper frame flange
Along each edge of the plate. Answer: In a staggered bolt pattern
◉ What should be used to lubricate the rack and slide path of a
sliding fifth wheel?!
All purpose grease
SAE 30 engine oil
,Water resistant lithium based grease
Mixture of light oil and diesel fuel. Answer: Mixture of light oil and
diesel fuel
◉ When will the ride height control valve supply more air to the air
springs?!
When more load is applied to the truck
When less load is applied to the truck
When uneven terrain is encountered
When the compressor begins its loaded cycle. Answer: When more
load is applied to the truck
◉ What must be performed on a truck suspension system to adjust
torque rod length and drive axle alignment?!
Adjust the nuts on the U-bolts
Add additional spring wedges
Remove or add washers (shims)
Adjust the position of the spring hangers. Answer: Remove or add
washers (shims)
◉ What type of truck spring suspension system would be mounted
above the main leaf spring assembly and only be utilized under
heavy leads?!
An air spring suspension
,A constant spring suspension
An auxiliary spring suspension
A coil spring suspension. Answer: An auxiliary spring suspension
◉ What component is used to control jounce and rebound and
suppress truck suspension system oscillations?!
An air spring
A shock absorber
A leaf spring
A helper spring. Answer: A shock absorber
◉ When diagnosing a leaf spring suspension complaint of harsh ride
which of the following could be the cause?!
Seized front spring shackle pins
Tires under-inflated
Broken leaf spring
Inadequate fifth-wheel lubrication. Answer: Seized front spring
shackle pins
◉ Which of the following is correct practice when mounting
accessories to the heat-treated frame of a truck?!
Never drill the web of the frame rail
Never weld on the web of the frame rail
, Never drill or weld on the flange of the frame rail
Never attach anything to the frame web. Answer: Never drill or weld
on the flange of the frame rail
◉ What should be done first when the spring shackle pin will not
accept grease?!
Replace the sping pack
Replace both zerk fittings
Replace the spring pins
Remove weight from the spring by using a jack. Answer: Remove
weight from the spring by using a jack
◉ What condition could affect ride height when inspecting spring
equalizers on a tandem axle air suspension system?!
A leaking air spring
A torque rod that is out of adjustment
Worn equalizer bushings
A tie rod that is out of adjustment. Answer: Worn equalizer
bushings
◉ How is cushioning and alignment accomplished on a rubber
cushion suspension system?!
Drive pins are encased in rubber bushings
2026 COMPREHENSIVE COURSEWORK
QUESTIONS AND SOLUTIONS VERIFIED
◉ When a truck has been involved in an offset front end collision,
what type of frame damage would be expected?!
Diamond damage
Twist damage
Sideway damage
Sag and bow damage. Answer: Diamond damage
◉ When installing a reinforcement plate on a truck frame, how
should the bolt holes be located?!
In a vertical row
In a staggered bolt pattern
Close to the upper frame flange
Along each edge of the plate. Answer: In a staggered bolt pattern
◉ What should be used to lubricate the rack and slide path of a
sliding fifth wheel?!
All purpose grease
SAE 30 engine oil
,Water resistant lithium based grease
Mixture of light oil and diesel fuel. Answer: Mixture of light oil and
diesel fuel
◉ When will the ride height control valve supply more air to the air
springs?!
When more load is applied to the truck
When less load is applied to the truck
When uneven terrain is encountered
When the compressor begins its loaded cycle. Answer: When more
load is applied to the truck
◉ What must be performed on a truck suspension system to adjust
torque rod length and drive axle alignment?!
Adjust the nuts on the U-bolts
Add additional spring wedges
Remove or add washers (shims)
Adjust the position of the spring hangers. Answer: Remove or add
washers (shims)
◉ What type of truck spring suspension system would be mounted
above the main leaf spring assembly and only be utilized under
heavy leads?!
An air spring suspension
,A constant spring suspension
An auxiliary spring suspension
A coil spring suspension. Answer: An auxiliary spring suspension
◉ What component is used to control jounce and rebound and
suppress truck suspension system oscillations?!
An air spring
A shock absorber
A leaf spring
A helper spring. Answer: A shock absorber
◉ When diagnosing a leaf spring suspension complaint of harsh ride
which of the following could be the cause?!
Seized front spring shackle pins
Tires under-inflated
Broken leaf spring
Inadequate fifth-wheel lubrication. Answer: Seized front spring
shackle pins
◉ Which of the following is correct practice when mounting
accessories to the heat-treated frame of a truck?!
Never drill the web of the frame rail
Never weld on the web of the frame rail
, Never drill or weld on the flange of the frame rail
Never attach anything to the frame web. Answer: Never drill or weld
on the flange of the frame rail
◉ What should be done first when the spring shackle pin will not
accept grease?!
Replace the sping pack
Replace both zerk fittings
Replace the spring pins
Remove weight from the spring by using a jack. Answer: Remove
weight from the spring by using a jack
◉ What condition could affect ride height when inspecting spring
equalizers on a tandem axle air suspension system?!
A leaking air spring
A torque rod that is out of adjustment
Worn equalizer bushings
A tie rod that is out of adjustment. Answer: Worn equalizer
bushings
◉ How is cushioning and alignment accomplished on a rubber
cushion suspension system?!
Drive pins are encased in rubber bushings
