|
1988 740 GLE wagon. Converted from R12 to R134A in 2000. Just bought this car in January. After finally finding R134A with Ester oil rather then PAG oil I attempted to fill system. Initial gauge reading as expected was very low(nearly empty). After 1x 12x ounze can pressure rose slightly. After a second can was in low range(aprox. 20 psi). 3rd can got it into okay/full range(aprox. 30 psi). However via monitoring gauge I could see pressure going down & that there must be a leak somewhere. Where to begin ?? Where are obvious common leak points ? Hopefully in a somewhat acessible area. Any & all help & advice with this matter is most greatly appreciated.
--
' 88 740GLE auto wagon nearly 167,000 and ' 87 240DL auto sedan nearly 125,000
|