Bogging power issue M54 3.0i

Yeah got that out and all smooth, solenoid pin moves freely now also and put on a 12v battery and pin shoots out so assuming now all good. Will try and get the lower one off now
 
Wookster78 said:
Yeah got that out and all smooth, solenoid pin moves freely now also and put on a 12v battery and pin shoots out so assuming now all good. Will try and get the lower one off now
Let's hope this is the problem then.
 
Well 50% there can’t get the bottom one off without the radiator coming out, just no clearance so will have to save that for another day when I have some more coolant, pain it’s so tight in there
 
Wookster78 said:
Well 50% there can’t get the bottom one off without the radiator coming out, just no clearance so will have to save that for another day when I have some more coolant, pain it’s so tight in there
See if there's any improvement with just that one done.
 
Fingers crossed just took her for a run and back to full power with no bogging, if the top one was gunky then the bottom must not be far behind so have to see if I can find a super deep socket to get it off.
 
Wookster78 said:
Fingers crossed just took her for a run and back to full power with no bogging, if the top one was gunky then the bottom must not be far behind so have to see if I can find a super deep socket to get it off.

I removed my intake solenoid with the vanos off the car during the vanos overhaul but I couldn't remove the exhaust one it was really tight, I left it because i wasn't getting any issues and the intake one was really clean however I did research afterwards removing it from the vanos whilst on the car to check it.

You need a 32 mm socket that is at least 3.5 inches deep quite hard to find or a 32mm crows foot spanner can also remove it but I can't confirm that.

I did find this on ebay tho but can't find a picture of it.

https://www.ebay.co.uk/itm/404554764049?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=jt8tfh_oR0S&sssrc=4429486&ssuid=n9JpnKwVSkS&var=&widget_ver=artemis&media=COPY
 
Joez4 said:
You need a 32 mm socket that is at least 3.5 inches deep quite hard to find or a 32mm crows foot spanner can also remove it but I can't confirm that.

Thanks had a look on eBay and found an extra deep 32mm socket that’s 120mm total length and inner approx 70mm so hopefully do the job and don’t have the take the whole thing apart
 
Wookster78 said:
Fingers crossed just took her for a run and back to full power with no bogging, if the top one was gunky then the bottom must not be far behind so have to see if I can find a super deep socket to get it off.
If that really has cured the problem it was worth a few hours of work.
Not exactly what I thought the problem may be, but it got you there. :thumbsup:
 
enuff_zed said:
If that really has cured the problem it was worth a few hours of work.
Not exactly what I thought the problem may be, but it got you there.

Could always be an intermittent fault gremlin as it’s not a daily driver but only time will tell
 
Wookster78 said:
enuff_zed said:
If that really has cured the problem it was worth a few hours of work.
Not exactly what I thought the problem may be, but it got you there.

Could always be an intermittent fault gremlin as it’s not a daily driver but only time will tell
Yerah, I'll keep the smug grin on hold for a while :rofl:
 
Quick update, managed to get the bottom one off and was also all stiff with old oil, cleared it out and put back and car running better than ever, rock solid idle and perfect constant power. Struggled to get a socket deep enough in the UK so bought and standard extra deep one from eBay for £16 and with an angle grinder and dremel made my own solenoid socket, perfect fit for a simple change without having to take the vanos off!
 

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I read through this thread a while ago seeking advice about my VANOS exhaust solenoid, and was then pondering whether I'd need to fabricate a deep socket to get it out. But I did not need to. After getting the fan unit out the way, I had little issue removing the solenoid with a small and slim adjustable spanner, in case anyone else finds themselves in a similar position.
 
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