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Possible causes for a knock #944211 05/07/09 12:36 PM
Joined: May 2009
Posts: 435
4ePikanini Offline OP
Mudrunner
3.0L 12v V6 engine in a pajero.

at idle there is a deep sounding knock at about 3 knocks per second.

When driving on the open road and there is no load on the engine it goes quiet but knocking comes back under load.

Any hypothesis on what can attribute to this noise?

Im doing major service over the weekend but if i need to open the engine then I might just as well pull the motor and do it all at once.

TIA <img src="/forums/images/graemlins/cheers.gif" alt="" />



Karma's Law - For every action there is a multiplied reaction!
93 Pajero GLS 3.0 V6 LWB - SOLD
2001 Gen3 Di-D LWB - SOLD
2005 Touareg R5 2.5 TDi
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Re: Possible causes for a knock [Re: 4ePikanini] #944212 05/07/09 04:07 PM
Joined: Feb 2005
Posts: 7,327
rxinhed Offline
Trail Leader
*****
Welcome to the 4x4Wire!!

Deep knocking is never a good sign. Try adjusting the valves, look at the harmonic balancer for wobble, be open minded. I purchased a snazzy Gen I Montero for my wife last summer, it has bad rod knock.

Re: Possible causes for a knock [Re: rxinhed] #944213 05/07/09 09:32 PM
Joined: May 2009
Posts: 435
4ePikanini Offline OP
Mudrunner
Short video here to help me out please. <img src="/forums/images/graemlins/scared.gif" alt="" />

Thanks

video

use vlc player to view if you can't view - www.videolan.org



Karma's Law - For every action there is a multiplied reaction!
93 Pajero GLS 3.0 V6 LWB - SOLD
2001 Gen3 Di-D LWB - SOLD
2005 Touareg R5 2.5 TDi
Re: Possible causes for a knock [Re: 4ePikanini] #944214 05/08/09 01:21 AM
Joined: Oct 2008
Posts: 380
T
Temple Offline
Mudrunner
SEAFOAM!!!!! ......... if that dosnt fix it nothing will............ try beating it thats what i did with a bad oil pmp.............hmmmmmmm never mind i had to put a new engine in my truck.. lol <img src="/forums/images/graemlins/shiner.gif" alt="" />


"No obstacle brute force and ignorance cant overcome"
89 SWB RAIDER (IN PIECES)
06 F250 SuperDuty Axles
Currently saving for F-O-A 18" Coilovers
Cummins 6bta/5r110w/np271
Re: Possible causes for a knock [Re: 4ePikanini] #944215 05/08/09 02:48 AM
Joined: Apr 2004
Posts: 2,700
grass13 Offline
Roll Me Over
welcome to the wire.
bad rod bearing <img src="/forums/images/graemlins/frown.gif" alt="" />.
but on the plus side, your in the land of pajeros... or atleast right next door.
ps. you need to park it until you find and fix whatever it is.


98' BBJ Grand Laredo 5.2 locked and loaded,.01' Gen III XLS. Frankenmonty lives on in another.







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