Trans guys please help,wierd noise.
12-09-2006, 04:33 PM
#1
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Trans guys please help,wierd noise. I was driving the car today,pulled it into my shop for a wash and i start hearing a really loud sqealing noise.
Sound just like a loose serpentine belt but times 2. Its coming from the frt of the trans.
The car still feels exactly the same,fluid looks fine,temp is okay, just a loud *** squealing from the frt of trans.
Could this be the frt pump? If so how can i make sure before i start replacing stuff.Also the noise goes away after 3k when driving.
Dr evil stage III with 4k on it.
Yank SS 4000 with 1500miles on it.
I checked all the obvious,belts accessories,fans.
Sound just like a loose serpentine belt but times 2. Its coming from the frt of the trans.
The car still feels exactly the same,fluid looks fine,temp is okay, just a loud *** squealing from the frt of trans.
Could this be the frt pump? If so how can i make sure before i start replacing stuff.Also the noise goes away after 3k when driving.
Dr evil stage III with 4k on it.
Yank SS 4000 with 1500miles on it.
I checked all the obvious,belts accessories,fans.
12-09-2006, 08:11 PM
#4
Im not sue this is something i could help you with in the forum since it would take a more detailed description however you are welcome to call me at 5705785686 up untill "1 am "and anytime after 9 am every day and i will do my best to help you , even tonight
thanks
thanks
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12-09-2006, 08:32 PM
#5
Ok Im just going to post this so others can see too, I just got off the phone with this gentleman
1- the squeal he has comes from the bellhousing area,
2- seems to diminsh over 3000 rpm and I beleave he has a 4000 stall he said
3-it still makes the noise in drive brakes applied not moving,
4-when you turn the car off the noise continues for 2-3 seconds then it to stops ,
Here what it cant be
1- it cant be internal to the trans because when in gear brake applied nothing in trans is moving
2- it cant be the pump because it continues after you turn the car off for 2-3 seconds and the pump stops with the engine
I gave him one possibility and suggested he contact the converter manufacturer but this is a strange thing so wanted to put this information out there for others and see what everyone else thinks to
1- the squeal he has comes from the bellhousing area,
2- seems to diminsh over 3000 rpm and I beleave he has a 4000 stall he said
3-it still makes the noise in drive brakes applied not moving,
4-when you turn the car off the noise continues for 2-3 seconds then it to stops ,
Here what it cant be
1- it cant be internal to the trans because when in gear brake applied nothing in trans is moving
2- it cant be the pump because it continues after you turn the car off for 2-3 seconds and the pump stops with the engine
I gave him one possibility and suggested he contact the converter manufacturer but this is a strange thing so wanted to put this information out there for others and see what everyone else thinks to
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12-10-2006, 07:25 AM
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Sprayed, I had a similar prob only it was on a manual trans. I thought it was the throwout bearing.Turns out it was in the PCV system . Long story short try removing the oil cap and see if it goes away.
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12-10-2006, 10:15 AM
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Thats strange for the pcv to make that noise. The really strange part is that right before the noise the only thing i did to the car was remove my breathers and install a catch can.
I cant get to the car today but im going to remove the oil cap tommarow.
I cant get to the car today but im going to remove the oil cap tommarow.
12-10-2006, 10:35 AM
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12-10-2006, 11:22 AM
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Thanks a lot performabuilt, its nice to have a sponsor that will help you out even if its not their product with the problem. Your reputation around here is great and now i know first hand. Ill keep every one posted on the situation.
12-10-2006, 01:41 PM
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Sprayed , this is the long version. The hose coming from the TB to the valve cover had kink not letting fresh air to the PVC system. As I drove (mostly during decelleration) the vacuum inside the block would get high.Air would suck in around the dipstick and any place else it could. This made a high pitch squeal that sounded like a fan belt on a seized alternater. It was so loud that it could heard a block away. It was hard to figure out where the noise was coming from . Mine was also intermitent making it that much harder. Good luck.
12-10-2006, 04:09 PM
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Wow that is really weird. I have the port on tb and valve cover blocked off. Im running
a catch can from the port on the intake to the line that used to go to the intake thats hooked up to the rear of the driver valve cover. I guess ill start looking for kinks in lines. I also was having a sticking idle and the noise would go away if i held it about 3k. All that would indicate a vacum problem. Cant wait to try this stuff on monday.
a catch can from the port on the intake to the line that used to go to the intake thats hooked up to the rear of the driver valve cover. I guess ill start looking for kinks in lines. I also was having a sticking idle and the noise would go away if i held it about 3k. All that would indicate a vacum problem. Cant wait to try this stuff on monday.
12-11-2006, 02:43 PM
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Alright, i figured it out. It was the pcv system. I had installed a catch can right before the noise. I hooked it up to the intake vacum port and to the line that connects the two valve covers. I guess this caused a loud vacum sucking noise
that sounded just like a belt or bearing that went bad.. Weird but true.
that sounded just like a belt or bearing that went bad.. Weird but true.