Originally Posted by stevenstevensteven

I'm a little confused.

I purchased my 1989 206e used, and it already had an orange capped (locking) dip stick on the transmission refill port (at the rear of the engine near the firewall) installed (added pic of top of dip stick to this post - see below). I've always used the guides on this dip stick to measure tranny fluid levels at normal engine temp.

Have I been using the wrong gauge/tool to measure tranny fluid levels all this time?