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Car Forum / Dodge / Dodge Cars / September 2007

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knocks on startup

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dodger - 10 Sep 2007 15:01 GMT
I have a 2001 Dodge Caravan 3.3 litre engine. Lately I have noticed
there seems to be a bit of a knocking sound on start up.......usually
morning startup. I have about 124,000 kilometres (Canadian) on the
engine.
Should I put some kind of engine additive in with the next oil change
and, if so, any recommendations???Thanks
thanks,
Dodger
Ripcord - 10 Sep 2007 15:44 GMT
Replace the oil pump. I did just that on my wifes Caravan last year and it
stop that noise. On cold days it was worst and lasted long.

>I have a 2001 Dodge Caravan 3.3 litre engine. Lately I have noticed
> there seems to be a bit of a knocking sound on start up.......usually
[quoted text clipped - 4 lines]
> thanks,
> Dodger
dodger - 10 Sep 2007 18:14 GMT
> Replace the oil pump. I did just that on my wifes Caravan last year and it
> stop that noise. On cold days it was worst and lasted long.
[quoted text clipped - 7 lines]
> > thanks,
> > Dodger

+++++++++++++++++
Thanks for the advice......is an oil pump an expensive
proposition????????????????????????
Dodger
maxpower - 10 Sep 2007 20:17 GMT
> I have a 2001 Dodge Caravan 3.3 litre engine. Lately I have noticed
> there seems to be a bit of a knocking sound on start up.......usually
[quoted text clipped - 4 lines]
> thanks,
> Dodger

Before you start throwing parts at it not knowing if it is going to fix it
or not, why not have the noise diagnosed to find out what the problem is?
there is alot of things that could cause a knock. without hearing what the
noise is would be hard to say what it is on line

Glenn Beasley
Chrysler Tech
truckdriver - 18 Sep 2007 23:21 GMT
> > I have a 2001 Dodge Caravan 3.3 litre engine. Lately I have noticed
> > there seems to be a bit of a knocking sound on start up.......usually
[quoted text clipped - 12 lines]
> Glenn Beasley
> Chrysler Tech

i know on the 3.3 liters if you dent the oil pan you will get that
knock to the pick up tube is so close to the bottom of the pan it
slows the oil flow up and it could cause the motor to blow
 
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