ASE Engine Repair 2

Question 1

A cylinder head warped beyond service limits across its deck surface should be:

Accepted Answer

Resurfaced or replaced if beyond limit

Answer

Reused with extra torque

Answer

Filled with epoxy

Answer

Lapped by hand only

Question 2

Excessive blue smoke from the exhaust most commonly indicates:

Accepted Answer

Oil burning past rings or valve seals

Answer

Rich fuel mixture

Answer

Coolant in the cylinders

Answer

Normal cold start

Question 3

A technician measures cylinder bore taper by comparing diameter at the:

Accepted Answer

Top and bottom of ring travel

Answer

Center only

Answer

Block deck

Answer

Oil pan rail

Question 4

Milky brown oil on the dipstick usually indicates:

Accepted Answer

Coolant mixing with engine oil

Answer

Overfilled oil

Answer

High-mileage carbon

Answer

Worn timing belt

Question 5

Plastigage is used to measure:

Accepted Answer

Bearing oil clearance

Answer

Valve lash

Answer

Ring end gap

Answer

Deck flatness

Question 6

A hydraulic lifter that ticks at idle but quiets at higher RPM most likely has:

Accepted Answer

Low or aerated oil supply

Answer

Excessive valve spring tension

Answer

A bent pushrod

Answer

A burned valve

Question 7

When torquing main bearing caps, the technician should:

Accepted Answer

Follow the sequence and final spec in stages

Answer

Tighten the center cap fully first

Answer

Use maximum torque on all at once

Answer

Hand-tighten only