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Old 05-08-2023, 07:01 AM #16
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Quote:
Originally Posted by Unner View Post
The alternator on the V8 is a little more difficult than other Toyotas of the same era, but not difficult. Don't give away the original Denso alternator for a cheap Chinese reman. It's not going to last. Either put a Denso back on there, get the bearing/pulley replaced, or rebuild the original alternator.
I would have just replaced it with a low cost alternative. Being reminded of the value of Denso parts creates a purchasing mindset to be applied for all key vehicle components... thank you
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Old 05-08-2023, 03:59 PM #17
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Quote:
Originally Posted by 1sam16 View Post
Auseeker-

This forum is awesome- thank you! My sons rig is a 2004 limited with the 4.7. I would like to just replace the tensioning pulley if at all possible... The tensioning mechanism seems to move smoothly, and I'm certainly not getting a lack of tension issue… The belt is melting lol. But I haven't found the part # for the tensioning pulley apart from the whole assembly. Do you have that number? thanks again

1sam16
That is a lot of work, probably not worth fixing. At all. I can do you a favor though and take it off of your hands for what you have invested thus far. I have zero ulterior motives here.
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Old 05-08-2023, 04:24 PM #18
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Not sure where the alternator is on the V8 but it seized on my V6 from sitting. It's pretty low to the ground on the V6 and you could see condensation doing it's work. I put a used OEM unit in. I don't trust aftermarket ones and used can be gotten for $50 sometimes.
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Old 05-08-2023, 09:50 PM #19
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Originally Posted by JBR14 View Post
That is a lot of work, probably not worth fixing. At all. I can do you a favor though and take it off of your hands for what you have invested thus far. I have zero ulterior motives here.
Lol We never thought he could afford a 4runner. For the last 18 years I've driven Gen. 3's fun to add a 4 to the family! My son and I tore into the truck again this evening... we'll have the frozen alternator out/replaced tomorrow and the brake line by the weekend. It's been fun.
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Old 05-08-2023, 09:54 PM #20
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Originally Posted by MikeinNH67 View Post
Not sure where the alternator is on the V8 but it seized on my V6 from sitting. It's pretty low to the ground on the V6 and you could see condensation doing it's work. I put a used OEM unit in. I don't trust aftermarket ones and used can be gotten for $50 sometimes.
Same problem... on the v8 its right behind the passenger front wheel tucked in the frame and sway bar keeping it from being removed from the bottom. I found this video which has helped a lot.

Toyota 4 runner V8 alternator change 1 hour Job - YouTube
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Old 05-09-2023, 11:39 AM #21
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Originally Posted by 1sam16 View Post
Lol We never thought he could afford a 4runner. For the last 18 years I've driven Gen. 3's fun to add a 4 to the family! My son and I tore into the truck again this evening... we'll have the frozen alternator out/replaced tomorrow and the brake line by the weekend. It's been fun.
That's great. Great car for your son to learn to mess with. Some of my best life experiences thus far are working on cars with my parents around or assisting. Yes, even my mother. She is the one who taught me how to drag race in a stick.
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Old 05-14-2023, 07:05 PM #22
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Just wanted to follow-up on this post. My son and I replaced his alternator/tensioning pulley, idler pulley, and serpentine belt- broke a bolt off in his frame trying to drop the sway bar but all is good- had a lot of quality time with my son... and we have a 4runner that's not frying belts Thanks again!
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