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Hydraulic Control Module Diagnostics

Tomorrow's Technician

ESC systems add software and sensors like yaw, steering angle and even throttle control to keep the vehicle under control. This will release or bleed off the hydraulic pressure that is holding the wheel. When the ABS activates, the pulsing of pressure can create a hydraulic jackhammer. ABS is the foundation of the ESC system.

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Hydraulic Control Module Diagnostics

Brake & Front End

ESC systems add software and sensors like yaw, steering angle and even throttle control to keep the vehicle under control. This will release or bleed off the hydraulic pressure that is holding the wheel. When the ABS activates, the pulsing of pressure can create a hydraulic jackhammer. ABS is the foundation of the ESC system.

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Electric Power Steering Evolution

Tomorrow's Technician

In the late 1980s, many cars now had wide front tires and it was difficult to route hydraulic lines from the engine bay to the front of the vehicle and the rack. Many of the first systems were electro-hydraulic with a electric motor powering a hydraulic pump. The software also regulates the temperature of the motor.

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Brake Pad Diagnostics

Brake & Front End

Some brake pad manufacturers bond the friction material to the backing plate with adhesives. To correct this kind of wear, take the same steps as fixing outer pad wear as well as inspect the hydraulic brake system and caliper for residual pressure and guide pin hole or piston boot for damage, respectively.

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Reading The Brake Pads For Safety And Profit

Brake & Front End

Some brake pad manufacturers bond the friction material to the backing plate with adhesives. To correct this kind of wear, take the same steps as fixing outer pad wear as well as inspecting the hydraulic brake system and the caliper for residual pressure and guide pin hole or piston boot damage, respectively.

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BMW Transfer Case Service

Tomorrow's Technician

In addition to an inconsistent AWD, the check engine light would reappear each time that it was cleared, indicating something more than just software. There were three different trouble codes that would set, which were manufacturer codes: 2A32, 2A37 and an eccentric 2A45.

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BMW Transfer Case Service

Brake & Front End

In addition to an inconsistent AWD, the check engine light would reappear each time that it was cleared, indicating something more than just software. There were three different trouble codes that would set, which were manufacturer codes: 2A32, 2A37 and an eccentric 2A45.