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Generation 3 Pajero NM - NP Models 2000 - 2006

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  #1  
Old 13-07-09
Sitt Sitt is offline
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Default "Thud" in start/stop traffic?

In start/stop traffic (around 25 kmph) I'm getting a "thud" for a brief secound which sounds like its coming from below the car somewhere. I can actual feel the "thud" when it happens. Could it be play in the drive shaft or something which causes this? I have had the car in to the local dealer who says they can't find any issues.
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Old 13-07-09
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marcthelegend marcthelegend is offline
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is it an auto?? mine does it when im slowly driving.. let off the accelerator and then press it again .. normally it would just ease on, but this is like the transmission is in neutral and then when you accelerate it slams into gear... mine surges forward a bit too, but not very violently .. just mildly, I imagine its just normal??

Marc
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Old 13-07-09
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Yes, its an auto. You described the symptoms exactly. Maybe it is normal then?
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Old 13-07-09
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I though it was normal.. and now that there are 2 pajs with the same thing kinda makes me think it is normal.. would be interesting to get other peoples input though.

It is kind of annoying, but I worry if it does any damage.. the feel and sound of it makes me think it is putting stress on the driveline components (transmission, diffs, etc.)

Marc
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05 NP GLX 3.8 Auto. 2" Lovell/Bilstein Lift, ARB Deluxe Winch Bar, Granke mk3 12,000lbs winch, Uniden UH015sx, HID spotties, Roof mounted light bar, Work lights, Upgraded stereo, Tinting, 2.5t tow, dual battery setup (homemade), Radar Renegade tyres, wired up dummy lights, Bushskinz Sump/Intercooler plates, home-made diff breathers (front and back) and a cheap ebay snorkel.

To-do:
brake upgrade, oil seals (again!!)
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  #5  
Old 13-07-09
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My 2000 MN has the same issue. Quick acceleration from coasting causes a thud from the somewhere under the car. There have been other posts on this but no real resolution.

The only thing that seems to help is to keep the accelerator cable nice and tight (even slightly over tight). The issue will happen much less often. The adjustment is on the bracket on top of the air intake manifold - a few minutes and a pair of spanners should do the trick.
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Old 13-07-09
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mines a 3.8l .. with fy-by-wire.. cant really do much adjustment, but it does it even if i ease the accelerator on.. as in very very slowly, anyone know if this causes damage??

Marc
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05 NP GLX 3.8 Auto. 2" Lovell/Bilstein Lift, ARB Deluxe Winch Bar, Granke mk3 12,000lbs winch, Uniden UH015sx, HID spotties, Roof mounted light bar, Work lights, Upgraded stereo, Tinting, 2.5t tow, dual battery setup (homemade), Radar Renegade tyres, wired up dummy lights, Bushskinz Sump/Intercooler plates, home-made diff breathers (front and back) and a cheap ebay snorkel.

To-do:
brake upgrade, oil seals (again!!)
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  #7  
Old 14-07-09
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Dont know if this will apply to you all but mine was doing that and I replaced the bushings in the crossmember that hold the diff, 2 of them total and they were fairly cheap and it helped me. There is a lot more movement of the drivetrain under there than most people realize.
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Old 14-07-09
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i would be checking g/box mount/s. mine doesnt do it, but test drove one that did it so i know the noise & thud u r talking about. def felt like a mount on its way out.
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  #9  
Old 14-07-09
brianwanless brianwanless is offline
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The first thing I thought when I read the post was mountings. Try putting it in drive and with your foot hard on the brake, accelerate a bit then back off. Try this in drive and then in reverse. If it's a mounting you should hear or feel the thud when you back off. Drive will test the mounts on one side then reverse will test the other side.
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Old 15-07-09
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Quote:
Originally Posted by icysyrup View Post
Dont know if this will apply to you all but mine was doing that and I replaced the bushings in the crossmember that hold the diff, 2 of them total and they were fairly cheap and it helped me. There is a lot more movement of the drivetrain under there than most people realize.
How difficult a job was it? Do the bushings need to be pressed out & in, does the crossmember need to come out?

Gaz
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