if it is, you will see it by pulling the false trunk wall out, and looking at it.
fixing it is easy, just hook up an air compressor to it, and put about 3 psi on there... it'll POP right back into shape. be sure and check for leaks once you do this though... crinkled fuel tank metal can fail.

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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!