. Inspect the rear trailing arms for corrosion damage. Measure the thickness
rear trailing arm steel.
. If specified levels of corrosion damage have occurred, as described in
bulletin, replace the rear trailing arms with new rear trailing arms that
incorporate additional holes in the upper and lower panels.
. If it is not possible to separate the rear lower control arms from the
arms without damage, replace the rear lower control arms as well.
. If the rear trailing arms do not require replacement, add drainage holes
and treat the rear trailing arms with rust-proofing material.
Inspect the front subframe for corrosion damage. As a precautionary measure
improve drainage from the subframe, add drainage holes and treat the front
with rust-proofing material. If corrosion perforation is found as described
in this bulletin,
replace the front subframe.