What is meant by the service rating of an oil the

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43.What is meant by the service rating of an oil?
44.Why is it necessary to change the engine oil periodically?
45.Why is an oil filter used?
Written Assessment – AURTTE004Aspen CollegePage 24 of 31
AURTTE004 Inspect and service engines46.How are oil leaks located?
47.Where are the most likely places for an oil leak?
48.Where are the most likely places for external coolant leaks?
49.What checks can be made cooling system hoses and connection?Written Assessment – AURTTE004Aspen CollegePage 25 of 31
AURTTE004 Inspect and service enginesCheck the Hoses and ConnectionsWeak hoses will eventually leak or completely rupture. Visually examine the radiatorand heater hoses for cracks and “swelling.” Squeeze them. If they collapse easily orif you see cracking or swelling, then it's time for a replacement.

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Term
Spring
Professor
N/A
Tags
Internal combustion engine, Connecting rod, ASPEN COLLEGE

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