article thumbnail

BMW Transfer Case Service

Tomorrow's Technician

A customer who had a 2007 BMW X3 was having an erratic problem with the check engine light coming on and an issue with the transfer case 4W operation. engine and 6L45 transmission with 65,000 miles on it. The AWD vehicle had a 3.0L The Bimmer was driven with a scanner to see what was up.

article thumbnail

VW Four Motion

Tomorrow's Technician

With an automatic transmission, the engine has to drive a pump and energy is lost in the torque converter and clutch packs. LUBRICATING HYDRAULIC FLUID Instead of a linkage connected to a shifter, the shift forks are actuated by hydraulic solenoids. The fluid also acts as a hydraulic fluid.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

BMW Transfer Case Service

Brake & Front End

A customer who had a 2007 BMW X3 was having an erratic problem with the check engine light coming on and an issue with the transfer case 4W operation. engine and 6L45 transmission with 65,000 miles on it. The AWD vehicle had a 3.0L The Bimmer was driven with a scanner to see what was up.

article thumbnail

7 Alarming Reasons Your Brake Pedal Goes to the Floor

RepairSmith

Fluid Leaks Pressing the brake pedal compresses the brake fluid , creating hydraulic pressure in the brake lines. This hydraulic pressure transmits force to the front and rear calipers or each wheel cylinder, which engages the brake pads or shoes, respectively. This results in your pedal going to the floor.

article thumbnail

Timing Chain Systems Need Clean, Quality Oil

Tomorrow's Technician

The two most at-risk components are the hydraulic tensioners and VVT cam phasers – both highly dependent on the oil supply. The engine is designed with three hydraulic tensioners as well as four VVT cam phaser and solenoid units, all of which are highly dependent on oil.

article thumbnail

Top 10 Causes of Car Transmission Problems

Auto Alternative

It’s also possible that the vehicle’s computer limits power to protect the engine; in this case, a scan for trouble codes is advisable. Clutch Pedal Engagement A clutch pedal engaging either very low or high may indicate linkage or hydraulic system problems.

article thumbnail

Mercedes-Benz Engine Oil Leaks

Tomorrow's Technician

If one of these hoses begins to leak ( Figure 2 ), the customer may notice a rough idle, hard start or an illuminated check engine light. For example, a number of suspension bushings may be filled with a hydraulic fluid. The rubber hoses that carry the crankcase gases can degrade over time, becoming hard or even brittle.