What makes the radiator rattle on a Mercedes 190D?
RADIATOR FAN RATTLE- Recently, I noticed a rattle coming from the front of my Mercedes 190D engine. The usual culprits of alternator bearings and noisy front belt shock absorber were ruled out, and then I began focusing on the radiator fan / fan clutch assembly.
Why are the fans on my Mercedes 190 not working?
ELECTRIC FAN AND ENGINE FAN TROUBLESHOOTING –It seems that every few years, both fans stop working. Oftentimes it is the red three pole temperature switch, and the system is fairly easy to test. The idea is that when the switch is heated by the coolant to a certain temperature, the switch provides a path to ground and the fans engage.
What does it mean when your radiator fan is not working?
This is what we call a blown fuse. A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan.
How to replace a water pump on a Mercedes 190E?
If you do break it you can replace it, but sometimes it is easier just to undo the lower radiator hose. Begin by removing the two rubber hoses on the drivers’ side of the car that go from the water pump to the radiator. Next remove the overflow hose from the top of the thermostat housing.
RADIATOR FAN RATTLE- Recently, I noticed a rattle coming from the front of my Mercedes 190D engine. The usual culprits of alternator bearings and noisy front belt shock absorber were ruled out, and then I began focusing on the radiator fan / fan clutch assembly.
Why is my Mercedes 190 not getting cold?
One of the internal tests is that the compressor must be spinning at the same rate as the engine. If anything prevents this, then no cold. This includes oil on the belt, or belt slippage of any kind, or in my case, a faulty engine RPM sensor.
How to test Mercedes-Benz 190 tempmatic ACC?
To test, select the top button (max AC) and then the button with the two boxes on it, meaning the center and side vents. The system must pass several internal tests before the compressor comes on. Recently my compressor stopped working, but I noticed that it coincided with the failure of my tachometer.
Why is my gas compressor not working on my Mercedes 190?
If your car has an overload relay, and the fuse is bad or the contacts are dirty, the compressor may not work as it should. If you find that the gas has leaked out of your system, and you need a recharge, ask the shop to recharge the system and add their special yellow/green dye.
One of the internal tests is that the compressor must be spinning at the same rate as the engine. If anything prevents this, then no cold. This includes oil on the belt, or belt slippage of any kind, or in my case, a faulty engine RPM sensor.
To test, select the top button (max AC) and then the button with the two boxes on it, meaning the center and side vents. The system must pass several internal tests before the compressor comes on. Recently my compressor stopped working, but I noticed that it coincided with the failure of my tachometer.
If your car has an overload relay, and the fuse is bad or the contacts are dirty, the compressor may not work as it should. If you find that the gas has leaked out of your system, and you need a recharge, ask the shop to recharge the system and add their special yellow/green dye.