Byter olja i bakaxel på Volvo 940 

Volvo 944 årsmodell 1994 får ny olja i bakaxeln.
Materials used:
* Socket 13 mm - fill plug
* Socket 12 mm - drain bolt
* Penetrating fluid (like WD40)
* API GL5 transmission oil - 80W-90 (1,45 L) [Biltema 36-978, 2st]
* Oil measuring can [Biltema 19-7571]
* Small Steel brush [Biltema 20-969]
* Possibly some RTV (Packningssilikon) [Biltema 36-1775]