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How To Replace Engine Idler Pulley 02-09 Chevy Trailblazer
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- เผยแพร่เมื่อ 16 ส.ค. 2024
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New Serpentine Belt Tensioner Pulley from 1AAuto.com 1aau.to/ia/1AEI...
In this video, 1A Auto shows you how to repair, install, fix, change or replace a screeching, squeaking or worn engine idler pulley. This video is applicable to Chevy Trailblazer model year 2002-2009
🔧 List of tools used:
• 15mm Socket 1aau.to/oEW/1AX...
• 1/2 Inch Breaker Bar 1aau.to/ofz/1AX...
• 3/8 Inch Drive Ratchet 1aau.to/oEW/1AX...
• A Piece of Pipe (for leverage)
• Ratchet 1aau.to/oMN/1AX...
• Socket Extensions 1aau.to/oEW/1AX...
For More Info visit us at 1aau.to/h/apo/
⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.
√ *Watch the Video*
√ *Buy The Part at 1A Auto* 1aau.to/m/Visit-1AAuto
√ *Do it Yourself*
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Thanks. Wanted to make sure I tried the idler before replacing the alternator. As it turns out, it WAS the idler and your video made it possible. Much appreciated.
so i literally just changed mine today on my 2004 LS trailblazer with 4.2 litre engine , as i like your video , I did not have to take the serpentine belt all the way off , i just took it off the alternator pulley and left it there , why take it all out if you do not have to.
Idler pulley is a very common issue with the 4.2L trailblazers. I also
had the whining issue people speak of(higher pitch under acceleration, etc.), replaced the idler pulley and the sound is gone. Highly recommend trying this if you have the same issue.
You don't even have to take the serpentine belt all the way off. Just take it off the alternator and leave the rest on while you quick swap the pulley. It is helpful to have someone hold tension on the belt while doing this to keep it centered on all the other pulleys. Me and my dad just did this in literally under 5 minutes. It was 15 bucks for the part. My mom listened to her blazer whine like a stuck pig for over 60k miles. Wish I would have looked into this long long ago.
I just did this on my mother’s ‘08 Trailblazer. Your video helped me every step of the way! No more squealing! Thank you!
My wifes belt came apart in the driveway.
Hell yea half the work already done thanks Buick.
Btw yalls videos still come in handy just so yall know.
I have used numerous of your tutorials to up keep our 06' Trailblazer... Thanks for your knowledge
Thanks for watching. We carry a lot of auto repair parts for your 06 Trailblazer; here's a link to that section of our website if you would like to see what we have to offer. We also offer free shipping in the US www.1aauto.com/2006-chevy-trailblazer-parts/y-mo/2006-806?TH-cam&CTA%20Comment&ATony
hey 1A thanks a ton ive had a bad whining noise at idle and at low mph acceleration and it was very annoying. looked into it and seen your video swapped out pulley tonight per your video and sounds great now! appreciate you guys taking the time to make the video for the do it yourselfers appreciate it!
Thanks for the video! I have a 2009 Saab 9-7x that's basically the same car as the Trailblazer with the 4.2l and this took me a total of like 15 minutes and it made that annoying sound go away.
HI Nick, It may. If you take the serpentine belt off of the pulley you can test it to see if it's loose or not.
HI Clint it could be, you may want to see if the noise chamges at all if you turn the steering wheel. if it does, it may have something to do with the steering.
Again great video! I pulled off the belt and started the car, no noise. I changed the idler pulley and POW no noise now! Thanks again for your help! :)
Great video solved my problem in 15 Minutes thanks
you should include parts and tools list in the description as well as a picture of them near the beginning of the video
Yes Nick, if its making a whining sound you need to replace it. The whining sound comes from the bearings being out in your idler pully. I had the same problem in mine just fixed it. Took me a total of 15 minutes.
excellent... just did it... took 10 minutes... very easy.... savings 80dollars .. part 18.99 ... Thank you so much....
thanks for reponding I changed it and that was the fix. It was sticking in its rotation and would not spin freely
This helped and made things quick and painless
Thank you, being this video has help me learn more about my vehicle.
sweet bro thanks a bunch! NO MORE HUMM after almost a year lol what did I learn in this one:? Let your block cool down first so you dont singe your knuckles. I didnt entirely remove belt but you probably did that to check the condition. thanks again my man! 2005 gmc envoy 4.2
+funkiestoyster Thanks for the feedback and for watching!
Worked out perfectly, thanks for the video!
No problem. Glad to hear it helped you out. 1aauto.com 866-403-3393
Would this tensioner cause a loud noise like whining turbo sound?
Thank you for the excellent how to! Made making this repair an absolute breeze. I will be looking to your site for future parts.
+Paul Routhier Thanks for watching. If any of our viewers needs to make this repair, we carry the auto repair part shown in this video on our website. Here is a link to them www.1aauto.com/serpentine-belt-tensioner-pulley/i/1aeip00017?TH-cam&CTA+Comment&JVUznwPCEUk
Normally you will have to replace the entire compressor because everything is sealed together and it requires a special tool to remove the clutch from the compressor housing.
Your videos have helped me alot with my 2 trailblazers. I think it would be funny if you cracked a joke sometimes. Thanks for all you do!!
Thank you for the great reply. We love to empower our customers by showing you how-to perform your own auto repairs while installing our high quality auto parts. Have a great day! 1aauto.com +Matt Narron
It might, if there's enough on there.
That washer welded it's self to the pulley as it melted down is it super important I'm on the side of hwy seems ok with out it on there
We do tell you what tools you may need for the job.
Great video. Thanks for posting!
Thank you for watching. Please let us know how the repair comes out! 1aauto.com 888-844-3393
It could be a lifter in the motor ticking.
Your video is very resourceful and right on point. Thanks a lot man! Subscribed 😁
+Top 10's Thanks for checking us out. 1aauto.com
Thanks for the video
Hi Guys! I enjoy and appreciate your videos. My Trailblazer also has a whining noise that has increased over time. I think we have it narrowed down to the AC clutch bearing. Would you agree? It does not make a noise when turning the steering wheel. Do you have a video for that? Changing an AC clutch bearing? Thanks very much. W & D
It may if the bearing is going bad.
great video, thanks for posting.
If that's what is making the noise, then it should.
We're not exactly sure. If you go to the dealer they should be able to provide you with the proper bolt size. 1aauto.com 888-844-3393
Hi guys! love the videos! I have a whining noise in my 2006 trailblazer. The whining noise is much worse when accelerating but you can hear in at idle. I have changed the power steering pump fluid and just got done changing the alternator. Still whining. Do you think the Idler pulley is the next best option for me?
I also got Wd-40 on the belt while trying to get the pulley off. It was pretty rusty and wouldn't come off. Would that make it squeak?
The new pulley I bought mentions something about it being a sealed bearing and not needing the original dust cover. In this video you remove that front washer plate thing and then replace it. Is this a necessary washer or is it a dust cover that is no longer needed?
You may want to follow the manufacturers instructions for replacing their style of idler pulley.
I lost the dust cover to the idler pulley when I was taking it out. It fell somewhere down in the lower engine compartment area. Can you just buy the dust cover. I already have a new idler pulley. I have a 2006 GMC Envoy SLT with the 4.2 liter engine. Thanks
hi there, recently changed the plugs in my 07' TB starting to make a whining noise...not sure if it's the idler or power related, any ideas?
If it sounds like the power steering you may want to check the fluid level. 1aauto.com 888-844-3393
hi I was driving my 97 chevy blazer and the idel pully broke of I found the pully but I cant find the bolt. whats the length and size of that bolt any help would be nice thanks
Do you have to remove the whole belt tho????
Mmmm.. Cuz i know that this is common on the chevy trailblazer only and it's start happening right away after i changed the water pump!
good helpful video
+UpstreamFocus We're glad the video helped you out. Thanks for watching. 1aauto.com 866-403-3393
Do you possibly know where I can find this specific bolt!?
Will this solve my ticking noise when idle?
I just buy a trailblazer and the idler pulley make some noise. The strap looks good no crack. The truck was not used that much since 6 months. The pulley need to be changed or need some adjustments? I can move the belt about 1/2 inch thanks
+labidus74 It's hard to say. If it's making a squealing noise, the first thing to do is try adjusting the belt. If that still doesn't work, remove the belt, and check the pulley to see if it feels like it needs to be replaced. It's possible that the pulley surfaces the belt mounts to simply weren't cleaned properly before installing so the belt got a little greasy and is now slipping. If that's the case, clean all the surfaces and consider a new belt. 1aauto.com 866-403-3393
would a bad idler pulley make a whining sound
What would be a reason for changing the idle pulley? I recently changed my motor mounts because of vibration but I still feel it, not as much as before but it’s still there. Would the pulley be the issue?
+johnny palma Thanks for checking us out! Common reasons to change the idler pulley would be if the pulley is visibly worn, if the belt is squealing that could be a sign, as well as any damage done to the pulley or bearing. however, e suggest taking your vehicle to a nearby reputable shop to identify the cause. Thank you!
Can the idler pulley cause the belt to come off? How do I know if it needs to be replaced if it wasn't making any noices. My belt popped off randomly the other day. I inspected the fan/water pump and it's nice and tight and spins, I also checked the AC Compressor and clutch and both are not wiggling and spin nicely. Looking at the pulley and feeling it it's not wiggling or loose,spins freely and wasnt making any noise before belt popped off.
+Mike Ferretti We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
Thanks for watching. Have a great day! 1aauto.com 888-844-3393
What noise the ticking noise like tick, tick, tick_____tick, tick__tick__________tick, tick or something like that!
will try to fix this tomorrow if no rain hopefully . have you guys ever seen anyone selling the whole armrest assembly? or know how to fix it my brackets broke on it and its squeaky and unstable
You may be able to find a replacement in the salvage yard, or possibly on Ebay.
Yeah ive seen those 2 options I wanted to find an actual site but oh well thank you for the advice :]
Tony Stark
Thanks for watching.
ive got the same noise, its the belt not the pulley.
What is the bolt torqued to?
+Tim Giles The pulley bolt should be torqued to 37 ft lb.
@@1AAuto okay, thank you. I couldn't find it anywhere.