QUESTIONS AND SOLUTIONS GRADED A+
●● Air from tail pipe during leakage test.
Answer: Bad exhaust valve test
●● Heating a wrist pin will....
Answer: It will expand and not fit into rod.
●● radiator tester.
Answer:
●● moderately loose alternator belt.
Answer: causes squealing while accelerating
●● manifold heat control valve.
Answer: forces hot exhaust gases up around the base of the carburetor
and intake manifold to warm the fuel-air mixture
●● oil cooler.
Answer: prevents excessive heat and oxidization of oil
, ●● intake manifold vacuum leak.
Answer: causes misfire at idle
●● Excessive valve spring height.
Answer: causes valve float
●● stuck valves or improper timing.
Answer: causes bent pushrods
●● Warped cylinder head surface.
Answer: causes valve seat distortion/ coolant & combustion leaks
●● Heli-coil.
Answer: rethreaded bolt hole
●● Measures a valve guide diameter.
Answer: hole gauge or snap gauge
●● 650-800 degrees.
Answer: temperature to clean iron and steel
●● Worn camshaft and crankshaft bearings.