Defect
AN INCORRECT HIGH PRESSURE POWER STEERING HOSE MAY HAVE BEEN INSTALLED.
Consequence
UNDER CERTAIN CONDITIONS, HOSE COULD FAIL RESULTING INLOSS OF POWER STEERING ASSIST AND POSSIBLY AN ACCIDENT.
Remedy
REPLACE INCORRECT POWER STEERING HOSES.
1987 Mack Dm Series problems
Verdict · NHTSA data
Limited data — recalls on file
NHTSA has just 0 complaints on file for the 1987 Mack Dm Series — too few to judge reliability from owner reports alone — but 4 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.
0
NHTSA complaints
4
Recalls
0
Investigations
0
Crash-involved
0
Fires reported
0
Injuries
0
Deaths
—
NCAP overall
Does the 1987 Mack Dm Series have recalls?
4 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.
Defect
FASTENERS THAT HOLD THE REAR WHEEL TO THE HUB AND DRUM ASSEMBLY MAY BE IMPROPERLY TORQUED.
Consequence
AN UNDERTORQUED FASTENER WILL LOOSEN UP AND CAN RESULT INWHEEL SEPARATION, LOSS OF CONTROL, AND AN ACCIDENT.
Remedy
PROPERLY TORQUE REAR WHEEL SPACE FASTENERS.
Defect
THE UNDERSIZED WELD ON THE REAR SUSPENSION BRACKETRY ATTACHMENT CAN CAUSE BRACKET FAILURE.
Consequence
BRACKET FAILURE CAN ALLOW THE SPRING ASSEMBLY TO BERELEASED ONTO THE ROADWAY, POSSIBLY RESULTING IN LOSS OF CONTROL AND ANACCIDENT.
Remedy
REPLACE ANY HOUSINGS THAT HAVE SINGLE PASS (UNDERSIZED) WELDS ON THE BRACKETRY ATTACHMENT.
Defect
CROSS STEERING LEVERS MAY BE IMPROPERLY HEAT TREATED AND SUBJECT TO FAIL DURING NORMAL OPERATION.
Consequence
SUCH FAILURE COULD CAUSE LOSS OF TRUCK CONTROL WITHOUTPRIOR WARNING AND RESULT IN A CRASH.
Remedy
INSTALL NEW, PROPERLY HEAT TREATED STEERING LEVER.
1987 Mack Dm Series — common questions
Is the 1987 Mack Dm Series reliable?
The record is thin — 0 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 4 recalls should be verified as completed.
Does the 1987 Mack Dm Series have recalls?
Yes — NHTSA lists 4 recall campaigns affecting the 1987 Mack Dm Series. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.