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Topic: Symptoms of faulty autobox vacuum modulator (Read 1334 times) |
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Tekno
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Tenho Ruohoranta
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Symptoms of faulty autobox vacuum modulator
« on: Nov 30th, 2009, 10:24pm » |
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I'm just curious. If that membrane is broken and it spills ATF out when hose is detached, how does it affect?
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gozz
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Re: Symptoms of faulty autobox vacuum modulator
« Reply #1 on: Nov 30th, 2009, 10:37pm » |
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It will draw ATF into the engine and deplete the amount,not a good state of affairs. Only the 12valves have this of course. GOZZ.
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Tekno
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Tenho Ruohoranta
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Re: Symptoms of faulty autobox vacuum modulator
« Reply #2 on: Nov 30th, 2009, 10:44pm » |
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on Nov 30th, 2009, 10:37pm, gozz wrote: Only the 12valves have this of course. |
| And diesel ? right? Because of that different autobox, A4LDe. Does A4LDE have something else instead of that? What?
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gozz
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Re: Symptoms of faulty autobox vacuum modulator
« Reply #3 on: Dec 1st, 2009, 9:26am » |
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I have never seen a diesl auto,but they have EEC IV so yes they would have the old box presumably.A4LDE is fully electronically controlled via EEC V,and needs no other intervention. GOZZ.
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Dave2302
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Re: Symptoms of faulty autobox vacuum modulator
« Reply #5 on: Dec 1st, 2009, 10:56pm » |
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It has a big knob on the end, the theory is you can adjust the modulating pressure to alter shift feel and timing slightly. Unless you have intimate knowledge of these transmissions and transmission pressure gauges don't buy it. We experimented with these years ago and even on our test rig they were awkward to set up. It is very easy to burn out your box with these, stick to the standard one.
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Dave "The 'ol Bear" ex Footer !
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