How much is an alternator for a Mercedes?

Typically, it costs between $600 and $1,600 to have a Mercedes Benz alternator repaired – the bulk of which comes from the cost of alternator parts. Labor costs range between $100 and $150.

How to replace an alternator on a 1995 GMC?

Somewhere on your vehicle there is a tensioner pulley. You’ll need to move it enough to slip the belt off the pulley. Our ’95 GMC has a standard spring-loaded GM tensioner that required us to pull it back with a wrench.

How do you change the alternator on a car?

Changing the alternator on most cars is generally the same. Find the alternator (has to be connected to the serpentine belt), and then look up steps to replace it. The main difference in cars is where the alternator is and how it’s mounted.

Do you need to remove serpentine belt to change alternator?

As you loosen the bolts, the alternator will slide in the bracket under the tension of the belt. You may not need to remove the serpentine or accessory belt if it’s not damaged.

Can a manual tensioner be used to replace an alternator?

The belt tensioner will only travel (swing) so far which can make installing the belt difficult. Never pry or force the belt onto the pulley. Vehicles with a manual tensioner or the belt tightens with the alternator, there should about ½ inch of deflection in the belt between the pulleys with the greatest distance between them. 7

Can you remove an alternator from a car?

Removing the alternator will require you to remove the drive or serpentine belt first and than the mounting bolts that attach it to the engine. Also dont forget to remove the negative cable to your battery as safety precaution.

As you loosen the bolts, the alternator will slide in the bracket under the tension of the belt. You may not need to remove the serpentine or accessory belt if it’s not damaged.

How do I loosen the bolts on my alternator?

Loosen the bolts on the alternator if there is no auto-tensioner. In cars without an auto-tensioner pulley, you can relieve the tension on the belt simply by loosening the two bolts that secure the alternator to the engine. These will often require a 14mm or 1⁄2 inch (1.3 cm) socket, though you may need to try others.

What do you need to install an alternator?

The only other cable running to the alternator connects to a harness, so it will be easy to identify. Set the bolt aside someplace safe until you install the new alternator. Release the safety clip connecting the wiring harness. The only other wiring heading into the alternator is the control harness.