How to replace alternator on Mercedes Benz E C CLK s?
Plug the electrical cable on the back of alternator and make sure it clicks when you push it in. That way you know it is locked in place. Reinstall the serpentine belt, the engine cover and the reconnect the battery. 2 Bolts that hold the alternator in place. Max 45 Nm. 1 Bolt on the back of the alternator. Between 15 Nm to 18 Nm.
Where is the alternator located on a Mercedes Benz?
Alternator is identified as G2 on electrical schematics. You should see a nut. Remove the 13mm nut on the back of the alternator. See the close up picture below. Unplug the connector that goes into the back of the alternator. Pres on the tab and pull it away from the alternator.
What to do if your alternator goes out?
The first thing to check is the battery light on the instrument cluster. This light bulb is part of the alternator field circuit; if it burns out the alternator will not charge. Simply turn the key on and see if it illuminates briefly then goes off. If the light does not illuminate, you’ll need to replace it before continuing.
How to replace timing chain tensioner on Mercedes Benz W203?
If you do not have a retaining pin you can use a 5mm Allen key. The alternator is held to the engine by two bolts. Use an E14 Torx and remove the two bolts. There is a spacer that is pressed in the mount that you may or may not have to press out a little to get the new alternator installed.
Plug the electrical cable on the back of alternator and make sure it clicks when you push it in. That way you know it is locked in place. Reinstall the serpentine belt, the engine cover and the reconnect the battery. 2 Bolts that hold the alternator in place. Max 45 Nm. 1 Bolt on the back of the alternator. Between 15 Nm to 18 Nm.
How long does it take to replace an alternator on a Mercedes Benz?
If you are doing it yourself for the first time you should be able to do it in around 3 or 4 hours, so plan on a Saturday morning. An experienced mechanic should be able to replace the alternator in even an hour.
What should I do if my alternator is not working?
If that’s all good then replace the regulator. If not then buy a rebuilt alternator and install it (the rebuilt will come with a regulator). If you’re not very well DIY inclined you could just buy the rebuilt alternator and do the R&R, that’s pretty simple (just be sure to disconnect the battery first!).
Where is the nut on a Mercedes Benz alternator?
This is the electrical cable which is part of Circuit 30. Alternator is identified as G2 on electrical schematics. You should see a nut. Remove the 13mm nut on the back of the alternator. See the close up picture below.
How do you remove an alternator from a car?
See the close up picture below. Unplug the connector that goes into the back of the alternator. Pres on the tab and pull it away from the alternator. Remove the two bolts that hold the alternator in place using the Female E Torx sockets we listed on the required tools section above. Remove the alternator.
How to troubleshoot an alternator and charging system problem?
If necessary, adjust the belt with the help of your car owner’s manual or repair manual. Inspect the belt for signs of cracks, cuts, shiny spots, deterioration or other signs of wear or damage. Change the belt and belt tensioner at the manufacturer’s recommended interval. 2. Check for Wiring Problems