Q: I replaced my engine of w221 s350 with this engine 272 946 31142350 they told me its for glk 350 2011 model how can I tell if thi

You may have an issue with your fuel or ignition system. The battery may be dying being brand new because of continuous cranking of the starter in attempt to start the vehicle. If the fuel or ignition systems have any...

Some of the things that a technician might suspect and decide to test on your Kia would be the cam timing (timing belt might have jumped), crankshaft position sensor (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-crankshaft-position-sensor) function, engine compression, and fuel pressure. Using a scan tool...

Hello. It is possible that your heater core is clogged, which may cause a vehicle to overheat (https://www.yourmechanic.com/article/what-causes-a-car-to-overheat). It is also possible that after having other components replaced, there could be air trapped in the cooling system. This may cause...

Hi, thanks for writing in. In my 35 plus years of servicing vehicles, I have never seen a strut go bad when I lifted a vehicle on a lift, however this does not mean it is not possible. When the...

Hello. From what you describe it would appear that your vehicle may be experiencing some sort of serious transmission or engine performance issue. If the transmission fluid hasn't been changed in a long time it may be possible that the...

This may very well be caused by the uneven wear on the front tires. When uneven tread is subjected to various road conditions or braking power, this will definitely cause a vibrating or shaking feeling. This may also be caused...

Hello - your symptoms suggest that the steering rack may be worn out (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-steering-rack-gearbox), and is binding. This would cause the hard steering you are experiencing, regardless of having a new power steering pump. I would recommend a steering system...

Hi there. Check the slave cylinder and see if its moving. There could be a leak on the slave cylinder causing the slave cylinder not to operate. Also, check the pin to the clutch pedal and make sure that it...

Be sure you have a fully charged battery that passes a load test (https://www.yourmechanic.com/services/battery-is-dead-inspection). With a fully charged battery, if the starter motor does not run that signifies an electrical problem in the starter circuit or a problem with the...