Here's a look inside a failed automatic transmission and what caused it to fail.



This Infiniti G35 AWD transmission was slipping in 4th and 5th gear. In this video, the engine and transmission is removed and the transmission completely disassembled to examine the clutches, band and drum, one way clutch, valve body, solenoid and computer, filter, pan and torque converter.


For a full explanation on how this automatic transmission works, please see this video:

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Skip to section in the video:
0:00 Teardown
3:35 Analysis
4:24 Clutches
8:38 Band and Drum
8:54 One way Clutch
9:22 Valve Body, Computer and Solenoids
11:45 Filter and Pan
12:43 Torque Converter


Make sure you change your transmission fluid and filter to extend its life. You can purchase supplies for that here:


Transmission Fluid:
[ Ссылка ] (US)
[ Ссылка ] (Canada)
Transmission Filter Kit:
[ Ссылка ] (US)
[ Ссылка ] (Canada)
Fluid transfer pump:
[ Ссылка ] (US)
[ Ссылка ] (Canada)

Fluid Funnel:

[ Ссылка ] (US)
[ Ссылка ] (Canada)
Socket set:
[ Ссылка ] (US)
[ Ссылка ] (Canada)





Reference videos:
How a FWD Transmission Works:
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How a Torque Converter Works:
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How to Change Transmission Fluid and Filter (with dipstick):
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How to Change Transmission Fluid (without dipstick):
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How a Differential Works:
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How a CV Axle Works:
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This is the Camera I use:
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[ Ссылка ] (Canada)

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