Coolant cap spring broken can't remove cap

Asked by Jul 26, 2017 at 01:39 PM about the 2005 Cadillac DeVille

Question type: Maintenance & Repair

How to remove cap from coolant tank without damaging tank can't release
been doing for over year now will not come off

3 Answers

1,770

spray some PB blast under the cap if possible, let it sit, then use a hair dryer to heat up the cap. Use a large wrench to slowly open it, it should open. Don't jerk it because will probably crack the plastic.

1 of 1 people found this helpful.
1,770

if you are not comfortable doing that, let a mechanic do it so they will assume liability

To mark u sir are a genius I've been struggling 3days and was about to go pay someone I am an older lady and knew someone had the answer I only had wd40 d but sprayed tried sprayed again and slipped off like water on a well you know thanks again

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