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 judder when starting my SC

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hathan
Not so new now
Not so new now


Number of posts : 52
Age : 36
Home City : birmingham
Model and year : 1994 Hiace Super Custom
Registration date : 2010-06-12

PostSubject: judder when starting my SC   Fri Jul 02, 2010 11:52 pm

i wonder if anyone has come across this issue, everytime i start my sc or when i switch it off it judders like thers a damaged engine or gearbox Mounting, has anyone cum across that sort of a thing before....And mine is a 3.0td efi 1994
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chrisandhiace
Hiace Master
Hiace Master


Number of posts : 502
Age : 55
Home City : Preston
Model and year : LH 107 4wd 1992
Registration date : 2008-11-18

PostSubject: Re: judder when starting my SC   Sat Jul 03, 2010 12:15 am

Not juddering as such, but it can stop with an almighty thump if there's a leak in a vacuum line...16 years is certainly an age where rubber tubes are deteriorating.
Idling judder can be related to low tick over speed...
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hathan
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Number of posts : 52
Age : 36
Home City : birmingham
Model and year : 1994 Hiace Super Custom
Registration date : 2010-06-12

PostSubject: Re: judder when starting my SC   Sat Jul 03, 2010 9:32 am

and how do i check if their is a leak in the vacum line, is it a good idea to drop both the engine and gear box together from underneath and change all pipes as its difficcult to work through the bulk head, the turbo is nowere to be seen....and i would rather change all worn rubber pipes....is it a big job takeing the engine and box out together wivout splitting them apart...as its alot easier ...bolt out bolt inn....and mind you the idl is fine on the rev counter..............
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hathan
Not so new now
Not so new now


Number of posts : 52
Age : 36
Home City : birmingham
Model and year : 1994 Hiace Super Custom
Registration date : 2010-06-12

PostSubject: Re: judder when starting my SC   Sat Jul 03, 2010 9:35 am

Can anyone send me pictures of were the vacum pipes are in the 3.0 td EFI 1994
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chrisandhiace
Hiace Master
Hiace Master


Number of posts : 502
Age : 55
Home City : Preston
Model and year : LH 107 4wd 1992
Registration date : 2008-11-18

PostSubject: Re: judder when starting my SC   Sat Jul 03, 2010 11:40 pm

Have no pices...but unbolt the panel under driver seat...also rear bulkhead panel comes off (behind seats).
Be wary though...some vacuum tube I bought from motor factor did'nt last very long.
If you have a vacuum guage (ie:mightyvac) it can help to check lines...they usually split where they fit on to the spigot.
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AussieQ
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Number of posts : 884
Age : 70
Home City : Hervey Bay Qld
Model and year : 1994 sc
Registration date : 2008-08-15

PostSubject: Re: judder when starting my SC   Sun Jul 04, 2010 5:18 am

Haven't got your problem but when it is cold on the overrun (when you lift your foot off ) it makes a funny vibrating kind of noise, I've been told it's the vanes in the pump that wear and it isn't as efficient. Hope it lasts for a while yet tho as I've heard it's about $3k Aus to get it reconditioned and pulling it off will be another trial Sad
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dandywarhol
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Number of posts : 163
Age : 62
Home City : Edinburgh, Scotland
Model and year : 1995 LH129V 2.8 Superlong semi hi top campervan 4WD with Mitsubishi turbo
Registration date : 2010-01-26

PostSubject: Re: judder when starting my SC   Sun Jul 04, 2010 10:53 am

Don't understand the "vanes in pump" bit????
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AussieQ
Hiace Master
Hiace Master


Number of posts : 884
Age : 70
Home City : Hervey Bay Qld
Model and year : 1994 sc
Registration date : 2008-08-15

PostSubject: Re: judder when starting my SC   Sun Jul 04, 2010 8:33 pm

The way it was explained to me the pump has plates with vanes in it yhat press the fuel out similar to the compressor vanes in the turbo.

This might explain it better

http://files.asme.org/asmeorg/Communities/History/Landmarks/10001.pdf
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dandywarhol
Been here a while
Been here a while


Number of posts : 163
Age : 62
Home City : Edinburgh, Scotland
Model and year : 1995 LH129V 2.8 Superlong semi hi top campervan 4WD with Mitsubishi turbo
Registration date : 2010-01-26

PostSubject: Re: judder when starting my SC   Sun Jul 04, 2010 9:25 pm

Ok, got it now, the Hiace has a Bosch copy pump under licence - it would need to be worn to the point of not working IMO to be that noisy....................

I'd get a second opinion Q
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