HELP! Serpentine belt - no tensioner 2019, 5.3 L Trailboss
#11
More info on tensioner conversion please
I have come on here to help people solve a issue we encountered on our 2020 1500 work truck with 5.3. As many of you have encountered stretch to fit belts can be a pain to find the right tool to work with their pulley set up. I have pictured the belt configuration for a 5.3 with a stretch to fit belt. I also have pictured a belt configuration for a 6.6 with a tensioner. Took us awhile to find the lay out but we have converted to a 6.6 tensioner part #12654271 and 6.6 idler pulley part # 12695659. Then measured for a belt and has held up great. Way cheaper to convert to a tensioner and serpentine belt then the cost of most stretch to fit belt installer and removal tools.
found this as well, but I'm not crazy about the pricing but like the convenience: https://www.ictbillet.com/ac-delco-l...o-l84-l87.html
I called them this morning and explained what I had and was looking for, and the guy I talked to confirmed this is all I need. I did ask if it included a belt at that price and he said no, which is kind of a rip off in my opinion, but whatever. He said this literally bolts right up to a 5.3 block for a 2020. Can it really be that easy? Also, in the top photo of the 5.3, what is the small pulley near #1? I believe in my case that is where the whining sound is coming from. The water pump is the big pulley in the middle right?
Sorry for the stupid questions, but I can't believe I'm even here having this conversation only 46K miles into this truck. My local shop said 'leave it for the day' and I was like FU, I'll do it myself. Thanks for any help or direction in advance.
#12
I’m in the same boat! I bought the tool and ended up not using it and forced it on was the only way. And now I have to change my ac belt and now I have to take my main belt off again
#13
Noisy Idler Solved
So this caught my attention but there's not enough info here besides the part numbers.... I looked those up by the way and we're talking $20 for the idler, $37 for the tensioner and between $20-30 for a belt assuming it's a 740K6, so fantastic on the pricing (about $77-87 plus tax/shipping). Can you provide more info as well as the hardware needed to attach this? And the belt you used?
found this as well, but I'm not crazy about the pricing but like the convenience: https://www.ictbillet.com/ac-delco-l...o-l84-l87.html
I called them this morning and explained what I had and was looking for, and the guy I talked to confirmed this is all I need. I did ask if it included a belt at that price and he said no, which is kind of a rip off in my opinion, but whatever. He said this literally bolts right up to a 5.3 block for a 2020. Can it really be that easy? Also, in the top photo of the 5.3, what is the small pulley near #1? I believe in my case that is where the whining sound is coming from. The water pump is the big pulley in the middle right?
Sorry for the stupid questions, but I can't believe I'm even here having this conversation only 46K miles into this truck. My local shop said 'leave it for the day' and I was like FU, I'll do it myself. Thanks for any help or direction in advance.
found this as well, but I'm not crazy about the pricing but like the convenience: https://www.ictbillet.com/ac-delco-l...o-l84-l87.html
I called them this morning and explained what I had and was looking for, and the guy I talked to confirmed this is all I need. I did ask if it included a belt at that price and he said no, which is kind of a rip off in my opinion, but whatever. He said this literally bolts right up to a 5.3 block for a 2020. Can it really be that easy? Also, in the top photo of the 5.3, what is the small pulley near #1? I believe in my case that is where the whining sound is coming from. The water pump is the big pulley in the middle right?
Sorry for the stupid questions, but I can't believe I'm even here having this conversation only 46K miles into this truck. My local shop said 'leave it for the day' and I was like FU, I'll do it myself. Thanks for any help or direction in advance.
#14
I've put on many 5.3 stretch belts brand new and didn't use anything but my hands and a pry bar. The trick is to wrap belt around crankshaft idler pulley and alternator first then slide over water pump pulley which is a smooth pulley. Once you get it on the water pump pulley as far as you can with your hands, use pry bar to push belt all the way on pulley. I've used this method with new stretch belts for 5.3 LS and it still works no special tool required.
#15
Alternator long bolt
I avoided this by using a t25 bit and taking out the 3 bolts that hold the fan in place, drop the fan for a min and take ur long bolt out, replace the alternator and put it back in. Then reattach your fan! Much easier watched this on YouTube!
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