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Funny noise in eb 4.0 

 

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 Post subject: Funny noise in eb 4.0
Posted: Fri Jan 13, 2006 9:50 pm 
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Wondering if anyone would have ever heard of an eb 4.0 making a funny nock nock nock noise when ideling on a slight lean?

Basically what it does is nocks when its ideling, crank shaft has no movement in it at all (car has only done 130,000k's) but has relativly low oil pressure. On the dash it comes up to about the second line (sports pak eb)

Has anyone had this or knows how to fix it?

Thanks
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Posted: Fri Jan 13, 2006 10:39 pm 
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Maybe oil slapping around?
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Posted: Fri Jan 13, 2006 10:50 pm 
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i find that with my car, as i live on a big muhfuga of a hill, and the driveways on a mega slant, i put it down to all oil falling to the back of the sump/head and parts just start knocking due to lack of oil, once you flatte out it goes away.

 

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Posted: Sat Jan 14, 2006 8:50 am 
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i got that sounds crap someone else said they had that and it was the torque converter in the gearbox a broken vain or something .i dont think its the engine oil i had mine out not long ago the sumps got a seperater to stop the oil from doing that
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Posted: Sat Jan 14, 2006 11:25 am 
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i get that at times at idle with the a/c on. and also about the same oil pressure

 

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Posted: Sat Jan 14, 2006 1:57 pm 
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Know what the problem is. It cost me $250.00 to fix, if you send me $125.00 Ill tell you (Just Kidding) respond to this post and I will enlighten you.

 

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Posted: Sat Jan 14, 2006 3:52 pm 
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enlighten me please, i have the same knocking in my eb, and each time i hear it i try ruling things out, theres not much left.

 

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Posted: Sat Jan 14, 2006 9:36 pm 
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Okay It is the "Bendix spring" or return spring in the starter motor, replace the starter motor, mungrel job too, Im glad I paid someone else to do it.

Oh by the way Bocsh gas a reduction gear starter motor out now and it sounds cool an whips the motor over without putting much load on the motor, maybe permanant magnet motor.

 

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 Post subject: Re: Funny noise in eb 4.0
Posted: Sat Jan 14, 2006 11:25 pm 
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bgun50 wrote:
Wondering if anyone would have ever heard of an eb 4.0 making a funny nock nock nock noise when ideling on a slight lean?

Basically what it does is nocks when its ideling, crank shaft has no movement in it at all (car has only done 130,000k's) but has relativly low oil pressure. On the dash it comes up to about the second line (sports pak eb)

Has anyone had this or knows how to fix it?

Thanks


hi
i have the same noise. and it did have low oil pressure
i have changed the oil to a higher viscosity i used penrite hpr 40 (25w/60w)
it still has a slight knock when the car is on a big lean
but oil pressure is much better..
i would say there is a problem with clearences on crank bearings or oil pump..
generaly oil pressure being low + knocking noise usually means that oil is
a)not getting to bearings
b)or oil is seeping past bearings because of excessive bearing clearence wich will give you low oil pressure.
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Posted: Mon Jan 16, 2006 2:14 pm 
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opto wrote:
Okay It is the "Bendix spring" or return spring in the starter motor, replace the starter motor, mungrel job too, Im glad I paid someone else to do it.

Oh by the way Bocsh gas a reduction gear starter motor out now and it sounds cool an whips the motor over without putting much load on the motor, maybe permanant magnet motor.


I know all the EB2 onwards had gear reduction starters, But did not know there was a newer style out? ... got any part numbers? ..
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Posted: Mon Jan 16, 2006 5:15 pm 
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No sorry altedxr6, my auto mechanic fitted the new starter motor.

In comparison to the original starter motor, even taking into account age of the original, the new one sounds as though it spins faster, it looks smaller than the original and I believe it is a permanant magnet motor but sorry no part number, I will try and contact my mechanic and see if he can get me details

 

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Posted: Mon Jan 16, 2006 5:39 pm 
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isnt the slapping noise the end of the crank slapping in the oil in the sump?

 

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Posted: Mon Jan 16, 2006 6:06 pm 
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ReGiE wrote:
isnt the slapping noise the end of the crank slapping in the oil in the sump?


Now let me see, will I pull the engine out and drop the sump to check for noise or, pull off the starter motor ????

Read the first post again.

 

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 Post subject: Re: Funny noise in eb 4.0
Posted: Mon Jan 16, 2006 6:37 pm 
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bgun50 wrote:
Wondering if anyone would have ever heard of an eb 4.0 making a funny nock nock nock noise when ideling on a slight lean?

Basically what it does is nocks when its ideling, crank shaft has no movement in it at all (car has only done 130,000k's) but has relativly low oil pressure. On the dash it comes up to about the second line (sports pak eb)

Has anyone had this or knows how to fix it?

Thanks


i have read it. my car makes this noise too when in my slight incline driveway. What has this first post got to do with the starter motor. I had my starter motor recoed a few months ago and it didnt stop the nocking noise

 

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Posted: Mon Jan 16, 2006 7:18 pm 
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ReGiE wrote:
isnt the slapping noise the end of the crank slapping in the oil in the sump?


Yes it is, when parked on an angle the crank counterweights hit the oil
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