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  #1  
Old 10-30-2013, 08:45 PM
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Vanos Solenoid

My '03 4.4 has a leaking vanos solenoid gasket on each bank, it has 80k miles, should I replace the solenoids as preventive maintenance with the gaskets? I'm having no drivability issues whatsoever.
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  #2  
Old 10-31-2013, 12:28 AM
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Check Besian Systems out. He has a vanos solenoid repair kit and sealing plate oring replacement kit (viton orings), but I don't know if he has one for the M62. Rajae's a great guy to deal with so get in contact and he'll help you figure it out. I used his S54 solenoid repair kit and sealing plate kit. Super detailed instructions. No affiliation, just a happy customer.

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  #3  
Old 11-01-2013, 04:55 PM
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I would not replace the solenoid. I don't think it is a common point of failure. The seal around it is easy to swap out. Just 2 bolts. Removing the solenoid actually takes a special socket if I remember correctly.

Beisan Systems has been a big help for me. I have rebuilt the vanos units on both my M62 and M52TU engine in my E39. The V8 (M62) is a way bigger job as the cams have to be timed, etc.. But I was there anyway doing the cam chain guides.
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Old 11-08-2013, 09:05 PM
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Thanks for the advice, replaced the gaskets but not the solenoids. Feel better about not replacing them now...
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2004 Porsche 911 C4S Track Duty
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  #5  
Old 11-08-2013, 11:56 PM
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butt dyno results?
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