How to replace an oil pressure sender on a Mercedes Benz?
Slide a 17mm wrench down from the top or up from the bottom and loosen the sender (red arrow). Once the sender is loosened you can finish unscrewing it by hand. Make sure to get the old crush washer off the sender and install a new washer to prevent oil leaks (red arrow).
Can a faulty sending unit cause inaccurate oil pressure readings?
When it detects oil pressure in the vehicle, a switch trips and either the light shuts off, or the gauge becomes active. A faulty oil pressure sending unit can result in inaccurate oil pressure readings and warnings. So, it is important to recognize the signs of a sending unit that needs to be replaced.
Where is the sender on a Mercedes Benz W124?
The oil pressure sender is located on the base of the oil filter housing (red arrow). Some people have success placing a long handled 17mm wrench down between the hoses and firewall to remove the sender. This photograph taken from the bottom of the motor illustrates the sender (red arrow, behind the Allen socket).
What are dangers of replacing fuel pressure sensor harness?
463-540-92-13 Fuel Pressure Sensor Wiring Harness – Replaces OE… WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
Why does my Mercedes Benz transmission plug leak?
This problem is common with Mercedes Benz cars from 1998 up to 2008. Often people and even mechanics misdiagnose transmission problems, thinking they need a new valve body or even transmission. In reality, the problem is often that the transmission connector plug leaks oil at the rubber O rings.
Why does my Mercedes Benz lose Transmission Control?
Over time, leaking fluid migrates through the wiring harness and damages the transmission control module, causing the car to lose communication with the valve body. This problem is common with Mercedes Benz cars from 1998 up to 2008.
What causes a 13 pin connector to leak?
That is not an ideal fix, but it may buy you some time until you can get to a specialty European auto mechanic, such as Euro Plus Automotive. The second cause of pin connector leaks is the degradation of the O ring. If it is not clean and snug in place, or if it has worn thin, it needs a replacement.