Is it time to replace the alternator in my Nissan Quest?

Is it time to replace the alternator in my Nissan Quest?

If you have noticed that the battery on your Nissan Quest is not staying fully charged or maybe the alternator light on the dash has been coming on, it may be time for a new alternator.

What to do if your alternator is bad?

The alternator is the heart of the electrical system on your vehicle and provides not only charging for the battery but also power to the lights, ignition system and other parts of the van. If you suspect the alternator is bad, removing it and taking it to an auto parts store for testing is a good idea.

How do you connect a serpentine belt to an alternator?

Turn the tensioner clockwise using a socket and ratchet placed on the bolt in the center of the tensioner pulley. Slide the serpentine belt off the alternator pulley and leave it laying on the other pulleys. Locate the wiring harness connector on the rear of the alternator.

How big of a bolt do you need for an alternator?

Torque the upper mounting bolt to 21 foot-pounds and the lower bolt to 62 foot-pounds using a torque wrench. Connect the alternator wiring harness connector to the alternator, making sure it locks in when you insert it into the plug.

How do you remove the alternator from a Nissan?

Remove the lower alternator bolt, which you can now easily access w/o the pulley there. After you completely back out that bolt you probably need to go back topside to finish tapping/pulling the long bolt fully clear. Then remove the top alternator bolt – secured to a thin bracket.

Do you need to drain an alternator 3.5?

Spec, there are a few threads on the 3.5 alternator that you should find here, but really, I took out the battery to be sure it was charged in prep of the new alternator. After that, you just need to drain the coolant (save and reuse if its relatively new or let it go if you’d rather replace) then remove the radiator.

What was the alternator on my car that gave out?

Alternator 3.5 (? for those who’ve done it.) My alternator gave out yesterday (batt & brake warning lights lit.) Towed the car back home because like my last car, the 3.5 alternator didn’t seem like a roadside job.

What’s the tensioner on a 3.5 alternator?

Towed the car back home because like my last car, the 3.5 alternator didn’t seem like a roadside job. Anyway in reading up on past experiences, I can see that the 14mm tensioner bolt seems to be a PITA (and maybe the lower retaining bolt on the alternator housing.