The only way I know of takes three people. Two people laying on their backs in the front seats pushing with their feet on the upper corners of the glass as hard as they can, while the 3rd person gets ready to catch.I'm sure the glass shops have a more sophisticated way.Brendan
MK1's up to 83 or 84 had rubber seals they started glue in about the second or last year of MK1's it's best to razor knife the old seal and use new rubber because of thier water leaking problem! another words don't reuse the old seal it will leak and cause electrical problems down the road!Duane