Hi folks,

Bad door on the left, good door on the right!

Over the past 2 months or so, I've noticed that my rear door has slowly started to sag (for a lack of a better word) towards the wheel well. After doing some homework (searched "door sag"), it appears that many people said that door sag could be simply fixed by lifting up the door with 2 people's help. That doesn't sound like the ideal fix to me. Others have replaced the door check, which sounds like the right fix to me

When I inspected it this morning, 2 of the bolts were loose. So i thought I figured out the issue. After tightening it, the gap between the door and the body was still close.

Have I diagnosed this problem correctly as a door check issue? And is there an easy fix to, say, make some adjustment on the door check so that it can be pulled/directed tighter to the B-pillar?

Also, if it is the door check, is the door check adjustable? My concern is that if i install a new door check, the problem will be the same.

Any help would be appreciated,
Bob

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On the 123, the nuts in the pillar can move around so before you tighten the bolts, you can adjust the closing position of the door. It helps to use a floor jack and have someone assist you. You won't need any new parts if this is the case. A new door check would probably be the same.

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

I was gonna say that your door handles looked like a 124 and not a 123 until I saw your quote. Duh on my part! And yes, a simple bolt secure should re-allign this problem, but I have had to replace all striker plates on both of my 123's as well!