metal grinding noise when cold start - 3000GT/Stealth International Message Center
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Old 01-22-2002, 07:37 PM   #1 (permalink)
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Talking metal grinding noise when cold start

Hey guys I need your help on this..
Everytime when I start my car in cold weather it makes metal grinding noise.
it's doesn't do that when it's warm....
what's wrong?????
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Old 01-23-2002, 12:55 AM   #2 (permalink)
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Is it more of a shrieking sound? (combine metal grinding with belts squeaking?) and does it go away after you start your car?
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Old 01-23-2002, 08:21 AM   #3 (permalink)
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guessin its the starter, mine does the same thing. Just kinda grabs for a second then the selinoid clicks off. Is it kinda like if you were to just hold the key in the start position?
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Old 01-23-2002, 08:24 AM   #4 (permalink)
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Default Mine does the same

It's more pronounced when I park with the engine higher than the rear wheels -- maybe try backing into the space.
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Old 01-23-2002, 10:26 AM   #5 (permalink)
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Unhappy it does that only when i start my car cold

If i my engine is warmed up.
i have no problem starting my car.
It's only engine is cold.....
It makes noise for couple of second and goes away.....
I don't hear any belt noise....
Just the metal grinding......
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Old 01-23-2002, 11:40 AM   #6 (permalink)
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When was your last oil change? What weight oil do you have in the car? What brand?
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Old 01-23-2002, 12:02 PM   #7 (permalink)
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might be the TO bearing, next time your car does it, push in on the clutch and see if it stops the noise.
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Old 01-23-2002, 12:12 PM   #8 (permalink)
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I have the same problem. does it sound like a cat is being killed when you turn it on? That is kind of what mine sound like. I start mine, makes that noise for a second or two ,a nd then it goes away? It 's the starter motor. When you turn the key the starter motor turns the fly wheel and then a gear is pulled away from the fly wheel once it is started The noise you hear is the tha gear, called the bendix gear, having some trouple pulling away. Here are the steps to fix the problem:


1) First, DISCONNECT THE BATTERY!
The starter always has power, even with the key out and WILL ENGAGE, and WILL RIP YOUR FINGER OFF!
No kidding, this isn't just another weenie safty message. Ask me about my friend that plays four finger guitar sometime....

2) Remove the starter. It's right behind the front bumper, kind of stuck underneath the lower moter mount. I could reach mine by crawling under from the front but I don't have the large bumper of the TTs. You might have to jack yours up.
2 bolts and disconnect the wires, now you can stand up again.

3) Look through the open part of the nose, inside you'll find the bendix gear and shaft. See, they're all gooped up with grud and dust! Clean up the shaft and gear with brake clean and a rag.
Lightly lube the shaft with medium wieght grease, I think I used anti-sieze but white lith on similar should work. Don't lube the gear teeth, keep in mind that the started engages the flywheel right next to the clutch. You don't want so much grease in there that it gets flung onto the clutch!!

4) Work the gear along the shaft to make sure it moves smothly now. You'll have to twist the gear as you push it up the shaft. If all is well put the starter back in, reconnect the battery and open another beer 'cause you're done!

Hope this helps.

AustinGT
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Old 01-23-2002, 04:01 PM   #9 (permalink)
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does itsound like its coming from the fron or back??
mine does the same thing but its coming from the back. still have not figure it out.

but I found that when I park while turnning the wheel sharply and shutting the engine wait a while around 30 or more min then start the car I hear that sound most of the time.
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Old 01-23-2002, 04:37 PM   #10 (permalink)
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My Maxima Did the Same thing on Cold Starts. Sound the sound it makes when the engine is already running and when you try to start it again.
What I did was I had to keep taping the key in the start position to help it free up...and it finally turned over but once the engine is warm its fine.
I Had the starter replaced and its fine now
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