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motorhead motorhead
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Posts: 5695
Rep: 385 2
7 years ago
Use of the wrong type of RTV silicone sealer could damage the ________.
A) Crankshaft sensor      B) Water pump      C) Oxygen sensor      D) Water pump gasket
Textbook 
Automotive Technology

Automotive Technology


Edition: 4th
Author:
Read 1004 times
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AnonymousAnonymous
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#1
7 years ago
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C:

The use of the wrong type of RTV (Room-Temperature Vulcanizing) silicone sealer could potentially damage an oxygen sensor due to several reasons:

Temperature resistance: Oxygen sensors are exposed to high temperatures in the exhaust system of a vehicle. RTV silicone sealers come in different formulations, and not all are designed to withstand the extreme heat generated by the exhaust gases. Using a silicone sealer with insufficient temperature resistance may cause it to break down, releasing volatile compounds that could contaminate or damage the oxygen sensor.

Chemical compatibility: Oxygen sensors are highly sensitive to contaminants. Some RTV silicone sealers contain additives, solvents, or oils that can emit vapors or chemicals during curing or when exposed to high temperatures. If these substances come into contact with the oxygen sensor, they may coat or contaminate the sensor's delicate components, affecting its performance and accuracy.

Sensor element exposure: Oxygen sensors typically have a sensing element that protrudes into the exhaust stream to measure the oxygen levels. If the wrong RTV silicone sealer is applied around the sensor or its connections, excess sealer or uncured silicone may come into contact with the sensor element. This can hinder the oxygen diffusion and alter the sensor's ability to accurately measure the oxygen content in the exhaust gases.
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motorhead Author
wrote...
#2
7 years ago
Respects dude, this is perfect Face Without Mouth
Anonymous
wrote...
#3
3 months ago
Help! The answer is missing an explanation...
Anonymous
wrote...
#4
3 months ago
Went ahead and added more context to the answer, hope that helps!
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