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bad vibration at idle & under hard accelaration.... 

 

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 Post subject: bad vibration at idle & under hard accelaration....
Posted: Mon Jun 27, 2005 11:51 pm 
Smokin em up
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Age: 34

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Ride: BA II XR6 Turbo Ute & XH Ute

Power: 295 rwkw

Location: Skye
VIC, Australia

Alright this isnt another rough idle question......this is alot worse than rough idle enough to shake the extension housing bolts loose and make it loose alot of oil.. i have changed the harmonic balancer, injectors, fuel pump, ive cleaned out the idle valve the car idles at 700rpm although if i disconnect the ICS it stalls... the engine mounts dont seem to be moving, i dont think its a tail shaft out of balance and ive just had the trans serviced...... please has any1 got any ideas??? ive had 1 guy tell me that it may be caused by not enough back pressure but i dont think that is the problem because i have a 2.5" reback with a single muffler which alot of ppl seem to have and that has not caused any1 else problems. so if any1 has any ideas or has had the same problem please let me no.. thanks you

 

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Posted: Tue Jun 28, 2005 12:10 am 
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Ride: BA MkII XT Wagon

Location: Maitland
NSW, Australia

vacuum leak!

had one myself with similar probs

turned out to be inlet manifold gasket

 

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Posted: Tue Jun 28, 2005 12:16 am 
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Age: 34

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Joined: 7th Nov 2004

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Ride: BA II XR6 Turbo Ute & XH Ute

Power: 295 rwkw

Location: Skye
VIC, Australia

so sucking to much air and screwing with the mixtures maybe??? hmmm maybe time to get the water spray bottle out and go searching any1 else go anything???

 

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EL Fairmont Ghia: lowered suspension , TIKFD custom plates, 20x8.5 XHP Shoreline, soon to have: JVC head unit, Eclipse speakers, Alpine and Sony Amps, 2x JL Audio 12w3v2 subs

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Posted: Tue Jun 28, 2005 12:22 am 
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Location: ɹǝpun uʍop
NSW, Australia

definatly sounds like vacuum leaks to me as well

 

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Posted: Tue Jun 28, 2005 12:24 am 
Getting Side Ways
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Age: 33

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Ride: BA MkII XT Wagon

Location: Maitland
NSW, Australia

id use somethint hats guna burn in the combustion chamber, not water, u dont want water fuel and oil mixing not good

a can of caby cleaner is best

my gasket split on cyl 6! just check it out see wat the outcome is!

 

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Posted: Tue Jun 28, 2005 12:51 am 
Smokin em up
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Age: 34

Posts: 263

Joined: 7th Nov 2004

Gallery: 1 images

Ride: BA II XR6 Turbo Ute & XH Ute

Power: 295 rwkw

Location: Skye
VIC, Australia

thanks 4 the help.....i didnt even think of a vacuum leak but sounds very promosing, i hope it is i so want the nice smooth ride back ill let u no the outcome

 

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~Such Is Life....
EL Fairmont Ghia: lowered suspension , TIKFD custom plates, 20x8.5 XHP Shoreline, soon to have: JVC head unit, Eclipse speakers, Alpine and Sony Amps, 2x JL Audio 12w3v2 subs

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