Ctgriffi Posted February 14, 2017 Share Posted February 14, 2017 Anybody have a firm, experienced opinion on what size belt (and PN) is correct for 3.0 AC? I've been fighting a loose, squealing belt for too long; tightened it as far as possible and have finally decided that it was probably oversized from the get-go! Appreciate the help. Quote Link to comment Share on other sites More sharing options...
linda s Posted February 14, 2017 Share Posted February 14, 2017 How about this. https://www.toyotapartsdeal.com/oem/toyota~belt~v~cmprs~pulley~99332-10890-78.html?Make=Toyota&Model=Pickup&Year=1991&Submodel=2+Wheel+Drive&Filter Should be only a little more at your local dealer when you include shipping. I would buy a small item like this locally but I would buy the Toyota one not a random make replacement. Lots of bad belts being sold now Linda S Quote Link to comment Share on other sites More sharing options...
RedEmerald Posted February 14, 2017 Share Posted February 14, 2017 I just put this on my 1990 about two weeks ago and is working fine, with plenty of adjustment either way. It comes from Oreilly's Auto and you have them in your state: AC belt from Oreillys Quote Link to comment Share on other sites More sharing options...
RedEmerald Posted February 14, 2017 Share Posted February 14, 2017 6 hours ago, Ctgriffi said: Anybody have a firm, experienced opinion on what size belt (and PN) is correct for 3.0 AC? I've been fighting a loose, squealing belt for too long; tightened it as far as possible and have finally decided that it was probably oversized from the get-go! Appreciate the help. Just a little tip: If you will put this exact search term in Google = "1991 toyota pickup oreillys" and then add the part you need you will be amazed at how accurate and easy the results are. Quote Link to comment Share on other sites More sharing options...
jjrbus Posted February 14, 2017 Share Posted February 14, 2017 I used a Gates belts and do not have the belt number handy. In hindsight I would have went for the OE Toyota belt as by now you realize they are not easy to access or change on the V6 Quote Link to comment Share on other sites More sharing options...
Ctgriffi Posted February 14, 2017 Author Share Posted February 14, 2017 6 hours ago, RedEmerald said: Just a little tip: If you will put this exact search term in Google = "1991 toyota pickup oreillys" and then add the part you need you will be amazed at how accurate and easy the results are. Uhh, I'm pretty familiar with Google (since I build websites for a living), but anywho... The original belt did come from O'Reilly's and they, like most other part resellers, seem to work from a common DB that falls into the category of "close enough for guv'ment work." That's why I come here, post things, read up and pick the brains of people who know stuff. Sounds like the general consensus is: go with the Toyota part on this one, which sounds like a good idea to me. Alternatively, I may just grab a 1/2" V-belt that's ~1" shorter than what I've got. Thanks, everyone! Quote Link to comment Share on other sites More sharing options...
pinkflydxx Posted February 14, 2017 Share Posted February 14, 2017 (edited) I replaced my AC belt a few months ago on my 3.0. I was able to get the part number from the old belt and it crossed over to a Gates 13A0900 belt. I put it on and it fit perfectly (after tension adjustment). FYI - this PN may cross reference to various other manufacturer part numbers. If I recall correctly, the belt is 0.500" wide by appr 36" in total length. With the tension adjustment on the AC belt, it fit fine, although I believe that other belts with similar lengths (i.e. 35 / 35.5 / 36.5") would also probably fit ok, but may require more or less tension adjustment. Also, it had been a while since the tension bolt had been adjusted, and in loosening it for belt removal, the head snapped right off of it. So, I replaced it with a makeshift stainless bolt since my local Fastenal did not have a bolt with threads on the entire shaft length, so I used stainless all thread with a stainless nut tack welded to make the head (I also think these were metric thread sizes). So far no problems, other than having to go back under a few weeks later and readjust (tighten). If it loosens again, I will probably put another nut on it to help lock it into place (assuming that the bolt is loosening due to vibration as opposed to the belt stretching a bit). And, of course, the AC belt required removal of two other belts, but not a extremely difficult process, just a bit more time involved. Edited February 14, 2017 by pinkflydxx Quote Link to comment Share on other sites More sharing options...
Ctgriffi Posted February 14, 2017 Author Share Posted February 14, 2017 14 hours ago, linda s said: How about this. https://www.toyotapartsdeal.com/oem/toyota~belt~v~cmprs~pulley~99332-10890-78.html?Make=Toyota&Model=Pickup&Year=1991&Submodel=2+Wheel+Drive&Filter Should be only a little more at your local dealer when you include shipping. I would buy a small item like this locally but I would buy the Toyota one not a random make replacement. Lots of bad belts being sold now Linda S Thanks, Linda! That's very helpful, partly because it mentions the length of the belt: 890mm, which is very close to 35" (shorter than most of the aftermarket recommendations). Quote Link to comment Share on other sites More sharing options...
Derek up North Posted February 14, 2017 Share Posted February 14, 2017 Already mentioned above, but make sure to go back after a while and recheck the belt tension. They tend to stretch a bit at first. Since you've got to remove other belts to install the A/C belt, maybe consider changing them all since they're off. Your choice, of course. And carry the old ones around for at least a while, just in case the new one fails. Not unheard of. Quote Link to comment Share on other sites More sharing options...
DanAatTheCape Posted February 15, 2017 Share Posted February 15, 2017 this is what I used - got these at RockAuto.com when I did my timing belt. Quote Link to comment Share on other sites More sharing options...
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