Re: 89 Suburban: rear air & rear wheelwell seam rust
Styrofoam is there not just for insulation but to help cut down on vibration from the fan motor.
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Zaccaglin
1998 Chevrolet C1500 Ext. Cab 350
Former Rig:
1985 Chevrolet K20 Suburban 6.2L Detroit/TH400/NP208
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