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Checking Shim Clearance on an Engine

Authored by Mark Palethorpe

Instructional Technology

Professional Development

Checking Shim Clearance on an Engine
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39 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is shim clearance important in an engine?

It ensures proper valve lash for correct valve operation, engine performance, and longevity.

It increases fuel consumption.

It reduces engine oil usage.

It makes the engine quieter.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of thermal expansion on engine components?

Components shrink when hot

Components expand when hot, requiring a necessary gap to prevent valves from being held open

Components remain the same size

Components melt

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: The small gap allows engine oil to _______ the contact surfaces between the cam lobe and the tappet.

lubricate

corrode

block

cool

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Over time, what can alter the shim clearance in an engine?

Valve train components wear

Oil changes

Spark plug replacement

Air filter cleaning

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which tool is absolutely crucial for checking shim clearance and provides specific valve clearance specifications for your engine?

Feeler Gauges

Factory Service Manual

Torque Wrench

Magnetic Pickup Tool

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of feeler gauges when checking shim clearance?

To tighten bolts

To measure the gap between the cam lobe and the valve tappet/bucket

To clean engine parts

To record measurements

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name two basic hand tools you might need to remove engine covers and access the valve train when checking shim clearance.

Sockets, wrenches, screwdrivers

Pliers, hammers, chisels

Files, sandpaper, glue

Measuring tape, calipers, protractor

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