OCCURRED EVERY TIME REVERSING WITH STEERING HARD LEFT. CLUNK SHAKES CAR.
WHEN REVERSING AND WITH THE STEERING HARD LEFT, A LOUD CLUNK SOUNDS REPEATEDLY on 1990 Volvo 240
Rear axle (differential) may need lube. Possible limited slip additive, few but some had this rear axle! Also rear trail arm bushings may need to be replaced. While turning puts extra strain on rear gear, should do this if going forward while turning hard in a parking lot.
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possible CV joint. poss. front wheel hub ass. poss. upper or lower control arms. poss. U joint. bring to a mech. for inspection.