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While inspecting a vehicle equipped with a 4-cylinder engine, the technician notices oil leaking out of the transmission bell housing. All of the following could cause this concern except:

A. Leaking oil pan gasket
B. Leaking front transmission seal
C. Leaking intake gasket
D. Leaking rear main seal

Answer :

Final answer:

The most unlikely cause of oil leaking from the transmission bell housing is the leaking intake gasket, as it does not directly lead to oil leaks in that area. Other options like the leaking oil pan gasket, front transmission seal, and rear main seal can contribute to such a leak. Therefore, option c is the correct choice.


Explanation:

Identifying the Cause of Transmission Oil Leak

The question presents several potential causes for oil leaking from the transmission bell housing of a vehicle. To determine which option is least likely to cause this issue, let's analyze each provided option.

  1. Leaking oil pan gasket: This could lead to oil leaking down towards the transmission area, making it a potential source of the leak.
  2. Leaking front transmission seal: A leak here would directly cause oil to escape out of the transmission area, contributing to an oil leak at the bell housing.
  3. Leaking intake gasket: A leaking intake gasket primarily allows air and fuel mixture to enter the engine or oil to enter the intake manifold rather than leaking oil into the transmission area. Therefore, this is the least likely cause of oil leaking from the transmission bell housing.
  4. Leaking rear main seal: This could also cause oil to leak toward the transmission area, further supporting the likelihood of a leak at the bell housing.

Thus, the correct answer is c) Leaking intake gasket as it is the only option that doesn't typically affect oil leakage into the transmission area.


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