Guests - If You want access to member only forums on HSO. You will gain access only when you Sign-in or Sign-Up on HotSpotOutdoors.

It's easy - LOOK UPPER right menu.

Sign in to follow this  
Followers 0
Jim Uran

03 Trailblazer making odd noise when engine is reved up

9 posts in this topic

I have no idea where to begin looking, well I know I'll bring it to a shop. But, when i start it up it has a wierd growl to it, I can tap the gas and once it starts going up in RPM's it's like a little snore or a growl that wasn't there before. I can fell extra vibration also. And when I turn the key off and the engine shuts down you can also hear it give out a growl before it completely shuts off. This happens in gear and in park or neutral. I don't really notice anything or hear anything while going down the highway. ANY IDEAS or has anyone ever experienced this before.

Share this post


Link to post
Share on other sites

I would check the fan clutch

Share this post


Link to post
Share on other sites

The fan clutches are pretty common. Does it sound like you are accelerating really hard even though your just idling? Be prepared for a little sticker shock when you see the price tag of that bad boy!

Share this post


Link to post
Share on other sites

Does it sound like a big woooosh air noise noise?

Could be the clutch fan.

Do you have your setting's on defrost? If so shut the heater/AC control head all the way off and see if noise goes away.

Share this post


Link to post
Share on other sites

Its that electronically controlled fan clutch assembly deal. When they go bad it typically doesn't matter whats on or off

Share this post


Link to post
Share on other sites

Sorry Airjer, with my last question I was ruling out a possibility of a bad a/c comp.

But, would having the A/C on cause it to electrically engaged?

Share this post


Link to post
Share on other sites

I don't remember specifically when it is activated or not. Good thought on the A/C compressor! I guess I was thinking the common problem without even thinking of the other possibilities. Typically they will stay engaged all the time when they go bad. Theres something about unplugging it and running the vehicle at a certain RPM for x amount of minutes if it doesn't deactivate then it gets replaced. They have all been replaced!

Share this post


Link to post
Share on other sites

Thanks guys, Airjer, no it doesn't sound like i'm accelerating really fast when I'm idling, it only makes the noise when I just slightly tap on the gas. That initial tap makes a little like almost a hole in my exhaust noise, but with some vibration. I turned everything off so I could hear it. It's really not that noticeable, but I drive it everyday and I could notice it. And like I said before also, when I shut it off it'll make that noise before the engine completely stops.

Share this post


Link to post
Share on other sites

One thing you can do is remove the serp belt, to eliminate anything like fan ac, ps, ect.. Since it sounds like exhaust it is possible you have a cracked exhaust manifold, or a emmision tube, or egr leaking.

Share this post


Link to post
Share on other sites
Guest
This topic is now closed to further replies.
Sign in to follow this  
Followers 0



  • Posts

    • Stayed in a Holiday Inn Express last night.
    •   Ok, well what color would he like? I got some left over rounded ones from the kids so he wouldn't stick himself even!
    •   Bahaha, was checking to see what the new slug for deer hunting maybe, also? 
    • PF - Sorry to let you down.  I see you are a slug expert!!!!
    • Sheesh.  I clicked on this from the recent topics page thinking there was a new deer hunting thread......  Get a spray bottle with a salt solution and give them a shower. I think water with Dawn soap might be an option
    • I am flattered fellas, but in rebs defense he did say " goodies" and not "goods" or he would have some explaining to do . between the different s.i.t.e.s.  were on I post no shortage of food shots ,so reb grab that scissors from leech lol. You pick up  a belly yet moon lake?
    • wren chick sat on a chair on the deck for over 2 hours. cute little bugger

    • I think last year was probably the best/first year we should have gone for it at the deadline so no regrets on that one. We got Pommers at the deadline as well but he had some years left and we were able to resign him and overall he has produced for us so no biggy there either. I'm sure we all wish we could take back the Matt Moulson trade back, that was the only bad one that cost us a couple of 2nd rounders and he looked terrible, but again hindsight is always 20/20. The rest were all minor deals that didn't do much either way.    Someone will get moved at some point, we just can't fill out a team and or sign Grandlund & Nino without it, at least not that I can see. Sounds like we had a deal for the Canadians first but their guy was there so they kept the pick, no problem with Fletcher being patient on the trade front, might have to wait until some teams don't fill their needs via free agency before a move happens. 

       
    • anyone else have any issues with ChartInstaller? I last used it on my laptop a month or so ago and it worked fine. I am getting ready to go to North Dakota for a couple days and wanted to download some areas to my card that I hadn't before.   I removed the sd card from my Hummingbird Helix and put it in the laptop. Opened the CharInstaller program that was already installed and was prompted to update. I downloaded the new Chart Installer.exe file and no matter how many times I download it, reboot and retry install etc it will not install. I just get an error "There has been an error. Unknown Error upacking file C:/Program Files (x86)/Chart Installer/nwjc.exe   So while doing the upgrade I lost my desktop icon with no software to update my chart. I understand there is a 1 year subscription but I just got my navionics+ and put it on this card last October.   Any ideas?    
    • Gotta let youse guys carry on wid something!!! 
  • Our Sponsors