What is the best thing to use to hold up underhood insulation. Looks like they used some kind of glue but it didn't work to good. Also what is best way to check and put R 134 in to car.

Asked by Jun 23, 2013 at 01:40 PM about the 1989 Mercedes-Benz 300-Class 300E Sedan

Question type: Maintenance & Repair

3 Answers

175

3M manufactures several types of spray adhesives, follow instructions on can

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115

You probably are aware that the hood can be positioned completely vertical? Put it in that position,do the forward most fasteners first with a good adhesive[I used liquid nails]. After the front sets up and the shield is hanging perpendicular to the floor,use a razor to put slits in the cover and use a gun applicator to squirt glue under the shield wherever it is needed.Work your way down from top to bottom.A broom or squeege may help while te glue is settng up.

1,735

If there are no clips or you have replaced the original pad with an aftermarket item, 3M Adhesives are the best solution. CLEAN off the metal underside of the hood first, then spray it and the pad. Wait a few minutes before mating them. Rub firmly and you should be good.

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