Hi,

Im struggling to find the Service Valve for the Air Con (to regas with R134a), I thought knew my way around motors, but this one has got me! Its a UK car so may differ slightly, any tips, hints suggestions will be gratefully received!

Best

Andre

Any ideas?

Thanks

most are on the drivers side below between the engine and the inner fender..

schraeder valve... maybe your blue cap is missing to help identify it.

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


[/SIGPIC]

Much appreciated will have a look - thanks again

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1971 350SL
1994 SL500
2005 CLK55 AMG

My 97 has the low pressure port near the left side strut tower in the big AC hose. The high pressure side is on the left side of the condenser and is facing forward. I don't know if RHD cars are reversed left to right.

Another way is to find the big hose on the compressor ( suction ) and follow it towards the cabin / firewall / the low pressure port will be somewhere along there in a reasonably easy place to access. High pressure port will be in the smaller hose running from the condenser to the cabin / firewall.