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Chevrolet Blazer Noises and Sounds

176 messages,  Last post on Nov 04, 2009 at 2:48 PM

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#107 of 176 2000 Blazer noise by munchie83 May 27, 2008 (10:10 am)
I have a 2000 blazer, had the tranny replaceed under GM warranty July 2006. The noise im hearing is like a card in a bikes spokes, but lower tone. noise only happens as soon as you start the truck and let it idle, go to reverse or drive, and you hear this weird noise. come to a stop, truck makes a clunk or a tock, then noise is gone until you shut off the engine, then it all starts over. the truck doesnt rev funny, or idle weird or anything, it runs fine except for this noise right when you start moving after starting it up.
#108 of 176 Screeching from the front by hillbilly73 May 28, 2008 (12:41 pm)
I own a 73 blazer jus resently there has been a screeching metal on metal sound coming from the front it happens between 1000 to 2500 rpm under load only when excelerating and braking. In nutral and park no noise. i was thinking that it was a loose pully but not sure. Thanks for the help if anyone knows anything.
#109 of 176 Ticking Sound by binaflah Jun 19, 2008 (3:50 pm)
I have a trailblazer 2006 LT (7 Passengers), in the last couple of days I start hearing this ticking or taping sound from inside in the rear aft, right hand area. Once I insert the key and turn it, before I start the engine, the sound start off. it starts for few seconds and then stops, and then after a few secods it starts again, it hapens for a few rounds and the it stops for good, and I hear it again the next time I start my car, any ideas??
#110 of 176 Squeaking with acelleration by blazerwoes Jul 26, 2008 (2:57 pm)
When I hit the gas I hear a squeaking sound coming from under the vehicle...seems like it's near the rear end? It speeds up as I speed up..high pitched, like an old bent wheel that squeaks at a certain point of rotation. It goes away if I hit the brake or just idle down the road, re appears if I acellerate again. Gets louder if I hit the gas hard it and rock the vehicle back.   HELP!!
#111 of 176 Re: 2002 Blazer whining noise w/ acceleration- torque converter??? [peachyjones76] by mattlieblong Aug 14, 2008 (9:31 am)
Replying to: peachyjones76 (Feb 17, 2008 10:31 am) I have a 2000 Blazer 2dr 2wd with about 162,000 miles on it. it has made the same noise for the past 30,000 miles or so and I've wondered as well what this could be. Did you determine the source of this problem? Since it is only under positive throttle, and seems to be louder at higher speeds, my thoughts lead me to think it is one of the rear bearings in the transmission or possibly the universal joints of the driveshaft. Transmission gear teeth from what I understand are angled and under stress i would think they would tend to push force down the axis of the shaft within the transmission, that makes sense to me as to why it only makes that noise with throttle and you can hear it stop and start in unison as you apply and stop throttling.   Please tell me you have found a cheap solution to this issue. This truck is paid for, and i can't see putting a new transmission in it, so a cheap fix would make it worthwhile, otherwise, i'm shopping for a new SUV.
#112 of 176 chevy blazer noises and sounds by red04 Sep 28, 2008 (6:53 pm)
i have a 04 4x4 blazer, that has a roaring sound in the front right, it starts slowly and matches drivetran speed, sounds like a prop driven air plane? I have replaced the hub and check all u joints and ball joints. Its has 60K on it, the sound is at random, its stop when i slow to 25mpm. I have put the trans in (n) when it happens and it follows the drivetran speed til 25mpm and quits. Does anyone have a guess? Replies to this message: dabbydo1952 (May 18, 2009 4:17 am)
#113 of 176 no interior heat by teeko Nov 11, 2008 (7:32 pm)
I have a 2000 chevy blazer. It has very little heat. i flushed the rad ,heater core and changed the thermostat. still no heat . Any ideas. Also growling kinda noise coming from what appears to be front right corner. It does it in 2wd and 4wd. Noise gets louder as the speed increases. Doesnt change if braking or turning.
#114 of 176 no heat by duntov Nov 12, 2008 (4:06 am)
If the heater blower is blowing cold air when the heater is turned on and the engine is warm, it is a bad heater core. Thoroughly warm the engine and feel both heater hoses with your hand. Both hoses should be hot. If only one (heater core inlet) is hot, there is no flow through the heater core and it must be replaced. You may have thought you flushed the heater core thoroughly but engine coolant is still not flowing through it. Replies to this message: jlflemmons (Nov 12, 2008 3:16 pm)
#115 of 176 Re: no heat [duntov] by jlflemmons Nov 12, 2008 (3:16 pm)
Replying to: duntov (Nov 12, 2008 4:06 am) If you have heat on both the feed and return to the core, the problem may be in the damper door under the dash. Search the maintenance and repair forums for heater issues and I believe you will find some info on what to look for.
#116 of 176 2000 blazer noises by rocco43 Nov 13, 2008 (6:50 am)
I have a '00 S-10 blazer 4x2 w/4.3 vortec 4 speed auto trans. When I start it up in the morning it sounds like all the bearings are coming out of the block for about 5 secs. then it fades away in less than a sec. In cold weather it lasts up to 2 min. I am a mechanic of twenty years and never saw anything like it. All fluids have been changed on or before the recommended intervals religiously. If it were a bearing it would stay constant. Oil pressure is a constant 45psi (checked with my pressure tester). When under the vehicle the noise sounds like it's coming from behind the engine but infront of the trans. It only happens at start up the first time of the morning. What the heck is it? I am baffled!

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