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S7 solenoid drama 

 

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 Post subject: S7 solenoid drama
Posted: Fri Feb 23, 2007 8:11 am 
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Joined: 25th Nov 2004

Ride: Fairlane

Location: Sydney
NSW, Australia

Hi all,

I had a few dramas the other night when driving home, i was doing about 50km and wanted to kick it back into 2nd to overtake a sunday driver. When i put my foot down the engine would just free rev like it's in park. Every since then i seemed to have lost 2nd gear altogether and 4th gear only engages on very light throtle.

I did a ECU diagnostic and the code it spat out was for a faulty S7 solenoid in the auto.

My question is how hard is it to change a S7 solenoid in these boxes (BTR 95le), i changed the S2 about 6 months ago. It's done 350,000 on the orginal box so should i just go for a reco box and be done with it or just change the S7 and see how it goes.

 

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Posted: Fri Feb 23, 2007 9:24 am 
Getting Side Ways
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Location: Adelaide CBD
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S7 IIRC is the solenoid for the torque converter clutch...

Which doesnt seem like it would affect 2nd/4th..

4-2 kick down uses S1, 2 and 3...

Does 2nd work when you put the selector in 2nd?

 

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Posted: Fri Feb 23, 2007 10:31 am 
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Age: 43

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Ride: Fairlane

Location: Sydney
NSW, Australia

nope, it's either 1st or 3rd with the occasional 4th

 

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Posted: Fri Mar 02, 2007 10:46 am 
Oompa Loompa
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Joined: 29th Dec 2006

Location: Melbourne
VIC, Australia

Sounds like you have a problem with the front band as it is used in both 2&4 gears. Or maybe a problem with the front servo piston.
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