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Loud weird noise on start up

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Offline trackinstile

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Loud weird noise on start up
« on: July 17, 2004, 05:14:53 PM »
    Hi guys, I got a 2000 2.0 with a stick.  If my truck has been sitting for 4 hours to overnight when I go to start it up cold it makes a loud groan or grind from under the hood when I fire it up.  It only lasts a second, then it's fine.  It doesn't sound like a lifter noise,   someone said something about cam bearings????  Any help or suggestions would be great.  It rarely did it when I got it last year, now it seems to happen all the time.  Thanks for the help. ;D   Dave
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Offline explosivo

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Re: Loud weird noise on start up
« Reply #1 on: July 17, 2004, 05:25:34 PM »
The teeth on the starter gear or flywheel maybe? ???
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Offline wildgoody

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Re: Loud weird noise on start up
« Reply #2 on: July 17, 2004, 06:47:17 PM »
loose starter bearings ??
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Offline mrfuelish

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Re: Loud weird noise on start up
« Reply #3 on: July 17, 2004, 07:11:06 PM »
he could park it heading down hill for four or five hours and bump start it, that would check the starter ;D
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Offline trackinstile

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Re: Loud weird noise on start up
« Reply #4 on: July 17, 2004, 08:01:39 PM »
Nope, I'm prettty sure it's not the starter, it happens after I let off the key, if it's already warm, it doesn't do it, it just seems like there's no oil in the top of the head (wel, ok, there isn't really any oil in the top of the head but you know what I mean.)    But PLEASE, keep the suggestions coming. ..........  Now that I thik of it, I'll listen real good to the starter in the morning.  Thanks, and again, any any thoughts or if anyone elses does this, please let me know.  Tanks,  Dave ;D
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Offline jerryp58

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Re: Loud weird noise on start up
« Reply #5 on: July 17, 2004, 11:52:59 PM »
Quote
he could park it heading down hill for four or five hours and bump start it, that would check the starter ;D


I second that idea.  Maybe the starter gear isn't disengaging right away.
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Offline trackinstile

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Re: Loud weird noise on start up
« Reply #6 on: July 18, 2004, 06:35:48 AM »
I live on a hill so that won't be hard to do.  But I really think it's in the valve train.   ??? ???  I've never owned a dohc 16 valve motor and I know that they have a tendenccy to get a little noisy.   :-/  Is there anything in the cams or gears that this could normally do this noise???  Keep the suggestions coming, I'll try bump starting it tomoro, it's raining out today here in Jersey pretty hard (as it's been all week :-X)  Thanks guys, again any input would be appreciated here.  TIA  Dave ;D
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Offline kansascitytracker

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Re: Loud weird noise on start up
« Reply #7 on: July 18, 2004, 11:49:01 AM »
I work for a rental car company, and our brand new Chevy Ventures make a weird grinding noise, I too, think it is starter related.
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Offline trackinstile

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Re: Loud weird noise on start up
« Reply #8 on: July 21, 2004, 12:21:20 AM »
Ok, I finally had a chance to push start it today.  Unfortunately, it's not the starter, it does it anyways.  It's onlly for a second, and really sounds like it's coming from the top of the motor.  The factory recomends, 5-30 oil, so tha's what I use.  Is there any other thoughts out there as to what it could be?  It only does it when it's cold. Any thoughts would be appreciated, thanks again for all the replys too. ;D
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Offline LawDog

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Re: Loud weird noise on start up
« Reply #9 on: July 21, 2004, 02:06:55 AM »
Teach your cat to stop sleeping under the hood when your zuk is sitting.  If that doesn't work, check your clutch fan.
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Offline Bobzooki

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Re: Loud weird noise on start up
« Reply #10 on: July 21, 2004, 04:35:07 AM »
How many miles?  So, you have the DOHC huh?  Could be a timing chain tensioner problem :eek:

Definitely sounds like a lack of oil on top problem.

Or...could it be the bifurcated muffler bearing transmogrifier seal????
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Offline NY_SIDEKICKER

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Re: Loud weird noise on start up
« Reply #11 on: July 21, 2004, 12:23:33 PM »
Quote


Or...could it be the bifurcated muffler bearing transmogrifier seal????


 YEA THIS WAS MY PROBLEM ONCE BEFORE  ;)
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mperry

Re: Loud weird noise on start up
« Reply #12 on: July 21, 2004, 02:03:38 PM »
Pull the fan belt and try it. If the noise persists, I'd suspect (as in the other post) the idler pulley on the timing belt. (Mine had broken loose and the timing belt was slapping the housing.) A noise inside the timing belt cover radiates through much of the engine. My mechanic thought it was in the valve train... noise went away w/ a tight timing belt. <g>

If the noise goes away, it would be the water pump, alternator, or fan. (My fan belt squeals every morning, now. I replaced the water pump, so it's probably my alternator bearings getting "stiff".)
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Offline trackinstile

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Re: Loud weird noise on start up
« Reply #13 on: July 22, 2004, 12:35:11 AM »
Quote
Teach your cat to stop sleeping under the hood when your zuk is sitting.  If that doesn't work, check your clutch fan.

    Come to think of it, I havn't seen old Lucky in a few  ::)
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A wise man once said, "Wherever you go...........There you are.............." 2000 Tracker 4 door with the 2.0 liter "Big Block". 5 speed 4WD  2001 XL-7 EX II
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Offline trackinstile

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Re: Loud weird noise on start up
« Reply #14 on: July 22, 2004, 12:40:31 AM »
Quote
How many miles?  So, you have the DOHC huh?  Could be a timing chain tensioner problem :eek:

Definitely sounds like a lack of oil on top problem.

Or...could it be the bifurcated muffler bearing transmogrifier seal????

    Man, I was afriad of that, it sounds real expensive. :o  It only has 49,000 miles on it.  I didn't even think of the fan, but I would think it would do it every time, as far as a tensioner goes, if it was gone it would be a constant noise I think.  Not just cold after sitting for 8 hours.  It's been doing it more regularly than before, don't know if it's because I park it on a hill backwards, I used to park it nose down, now nose up, maybey the front of the head is starving for oil.  It's not a steep hill, never had a problem like this before with any of my other cars or trucks. ???  IF it's an oil starvation problem, there is nothing much I can do, it runs down to the pan, gotta pump back up.  Oh, and it's always full, I checked that too.  Thanks a lot guys, I appreciate the replys and the ideas, I should look at the fan, thats a good idea.  Again, thanks.   ;D
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A wise man once said, "Wherever you go...........There you are.............." 2000 Tracker 4 door with the 2.0 liter "Big Block". 5 speed 4WD  2001 XL-7 EX II
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