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WorksheetsEngine Mechanical Repair Day 3
Total questions: 14
Worksheet time: 7mins
Before tightening the exhaust-side balance shaft, you notice it is not level with the engine block. What must be done?
The balance shaft pipe must be reinstalled
The engine block must be replaced
The exhaust-side balance shaft's bolt can be tightened slowly to "seat" it.
The exhaust camshaft must be replaced
If the intake-side balance shaft is removed on a 2.0L, what must be done?
The intermediate shaft sprocket must be replaced
The balance shaft chain must be replaced
The exhaust-side balance shaft must be replaced
The intake camshaft must be replaced
What is being measured in the image?
The integrity of the oil pan sealing surface
The crankshaft's throw
The crankshaft's radial run-out
The crankshaft's axial play
When using Plastigage® to measure radial clearance, what must not be done?
Position the Plastigage® in the center of the bearing
Cover the entire bearing width with Plastigage®
Do not rotate the component
Rotate the component
What is the measurement shown in the image?
1.22mm
1.22cm
1.22in
2.22mm
What is the measurement shown in the image?
3.08mm
3.58mm
8.0mm
3.579mm
What is the accuracy of the Vernier scale shown in the image?
The nearest 0.02mm
The nearest 0.05mm
The nearest 0.50mm
The nearest 0.002mm
Why is it important to ensure that piston rings are offset when installed?
They are easier to install into the cylinder
To prevent blow-by gasses from having a straight path to follow
To prevent too much air from reaching the combustion chamber
They will break during installation if they aren't offset
Which direction do the arrows on the piston crowns point when installed in a cylinder?
Toward the accessory belt drive
Toward the flywheel
Toward the flexplate
Toward the vehicle interior
Trapezoidal connecting rods use less metal than squared connecting rods, so they cannot take as much pressure.
True
False
All removed hydraulic lifters, valve springs, and keepers must be reinstalled in the same location they were removed from.
True
False
It depends on the reason they were removed
Only Technician A is correct
Some balance shafts must be replaced if they are removed.
False
True
When using the VAS6151 valve keeper tools, which way does the "E" face when the guide plate is installed?
Towards the exhaust
Towards the intake
Towards the flywheel
Towards the accessory belt drive
How can valve stem seals or valve springs be replaced without removing the cylinder head?
Using air pressure in the cylinder to hold the valves in the closed position
The cylinder head must be removed to replace valve stem seals or valve springs
Using rags in the cylinder to hold the valve in the closed position
Using motor oil, completely fill the cylinder through the spark plug hole so it holds the valves in the closed position
