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Brought to you by 1a auto calm your source for quality replacement parts and the best service on the internet hi i’m mike from 1a auto i hope this how-to video helps you out and next time you need parts for your vehicle think of 1a auto calm thanks in this video we’re going to show you how to replace the alternator in this 2005 gmc savana 2500 with the 6 liter v8
Engine and the tools you’re going to need for this are a 10 millimeter and a 15 millimeter socket and ratchet a flat blade screwdriver and a pry bar first thing that you’re going to want to do is just remove your negative cable from the battery so use a 10 millimeter socket and ratchet to just loosen up that bolt and pull the cable off the battery now you just want
To remove these two 10 millimeter bolts that secure the air intake box and we’ll just fast forward as he does this okay now disconnect the harness to the air intake box set it aside and then you want to use a flat blade screwdriver to just loosen up this clamp with the clamp loosened up you should be able to just lift and pull out your air intake box now using a flat
Blade screwdriver loosen up the clamp on this part of the air intake and once that’s loosened up you should be able to just pull that up and out now you want to remove your quote your radiator overflow bottle just remove the 10 millimeter bolt that holds it in place and then it’ll just lift up and pull out and you just want to set that aside now that you can see the
Serpentine belt you want to use a 15 millimeter socket and ratchet and place it on the tensioner pulley you just want to push that down and it’ll loosen up the belt and you’ll be able to pull it off the alternator now what you want to do is there’s two 15 millimeter bolts on the front of the alternator and you just want to remove those we’ll fast forward as he does
That you now to get the alternator out it is in there pretty good you want to just use a pry bar pry up underneath it and eventually it’ll break free from there see he’s got that side walk around to the other side right that side once it’s up and out of there just pull it out and then on the back you’ll see that there is a little rubber cover and what you want to
Do is you just want to pull back that cover and there’s a 10 millimeter bolt under there as you can see right there i’ll just fast forward as he removes that now you just want to lift that wire up and off of your alternator and then pry up that harness right there you want to start by putting that wire back on so pull back the rubber cap there and replace the wire
And replace that nut and we’ll fast forward as he tightens that up next thing you want to do you want to take the harness and plug it back into place on the alternator okay so to put your alternator into position you want to just push down one end and then try to swing and hit the other end down in and to help out you can see he’s using a flat-blade screwdriver
In the hole to try to pry it downwards a little bit and with enough moving around eventually you will get it into a spot where you can actually get a bolt in there does take a little bit of time but it will go once you get one bolt in there you can now pry from that side and it’ll line up the hole on the other side so you can push that bolt in as well and we’ll
Just fast forward as he tightens those bolts up you okay so here’s the belt diagram for the van and i included this just in case if for some reason the belt slips off one of these pulleys you know what order it goes in you know if it goes above it or below it kind of helps out you can just use this as a reference point if you need it the belt in place you want
To put that 15 millimeter socket on the tensioner and you want to push down on that and that’ll allow you to align the belt on all the pulleys make sure you have it in place and then you just want to tighten the tension or back up okay now just take that part of your intake and put it back down put it into position and just use a flat blade screwdriver to tighten
Up the clamp now you can reinstall your air intake box you can see there’s two holes there they line up with the two pegs on the van and you just want to feed that down in there get it into position and then using a flat-blade screwdriver you just want to tighten up that clamp where it connects and you can see there he actually loosened up the part of the intake
He put in before this loosened it up just so he could angle it and push this part down and then you just want to tighten both those clamps back up if you have to do that okay we’ll just fast forward here you want to put in those ten millimeter bolts that secure their intake box and reconnect the harness and then you want to realign your radiator overflow bottle
Put it into position and replace the ten millimeter bolt in that now you can just reconnect your negative cable back to your battery you we hope this helps you out brought to you by ww1 aro calm your source for quality replacement parts and the best service on the internet please feel free to call us toll free 888 4 4 3 3 9 3 where the company that’s here for you
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Transcribed from video
How To Replace Alternator 03-09 GMC Savana 5.3L/6.0L By 1A Auto Repair Tips \u0026 Secrets Only Mechanics Know