Question 1

Will an engine flush clean my pistons?

Accepted Answer

No, an engine flush is unlikely to clean the pistons.

Question 2

How to replace engine pistons?

Accepted Answer

Replacing engine pistons involves removing the engine from the vehicle, disassembling it, removing the pistons, inspecting the engine components, installing the new pistons, reassembling the engine, and testing it. It's a complex process that should only be attempted by experienced mechanics.

Question 3

When do engine pistons rings go bad?

Accepted Answer

Engine piston rings can go bad due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust. Regular maintenance and inspection can help identify potential issues.

Question 4

Why do engine piston rings fail?

Accepted Answer

Engine piston rings can fail due to wear and tear, inadequate lubrication, overheating, manufacturing defects, or improper installation. Regular maintenance and inspection of the engine can help identify potential issues. Symptoms of failing piston rings include reduced engine power, increased oil consumption, and blue smoke from the exhaust.

Question 5

Can you replace engine pistons rings without removing the engine?

Accepted Answer

Replacing engine piston rings without removing the engine is possible but not recommended due to the extensive disassembly required and the risk of damaging other engine components. A full rebuild or overhaul is generally more efficient and effective.

Question 6

What is better Mellling vs. GM oil pump?

Accepted Answer

Both Melling and GM oil pumps are reputable brands and offer quality products. The better choice between the two depends on factors such as the specific application, compatibility, and personal preference.

Question 7

Are oil pump gears necessary?

Accepted Answer

Yes, oil pump gears are essential for maintaining proper engine lubrication in an internal combustion engine.

Question 8

How do oil pumps work?

Accepted Answer

Oil pumps work by creating pressure to circulate engine oil throughout an internal combustion engine.

Question 9

Where is the oil pump located?

Accepted Answer

The oil pump is typically located inside the engine's lower oil pan or sump.

Question 10

Why do oil pump failures happen?

Accepted Answer

Oil pump failures can arise from wear, contamination, poor maintenance, and manufacturing defects, causing inadequate lubrication and potential engine damage.

Additional Cover Shaft Support	No
Adjustable Bypass Pressure	No
Anti-Cavitation	No
Drive Type	Crankshaft
Gasket Or Seal Included	Yes
Grade Type	Regular
Height	171.45
Height	6.75
Housing Material	Aluminum
Mounting Hole Diameter	8.33
Mounting Hole Diameter	0.32
Mounting Hole Quantity	4
Oil Pump Pressure Type	Standard Pressure
Oil Pump Type	Rotary
Oil Pump Volume Type	Standard Volume
Pickup Screen Diameter	0.93
Pickup Screen Diameter	23.86
Title	Engine Oil Pump
Width	228.60
Width	9.00

Melling M390 | Engine Oil Pump

BRAND: Melling

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