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Vehicle recall 78V188000 · August 29, 1978

Dodge D100, D200 and 2 more models

Due to improper material construction the hydro-boost fluid return hose may not be capable of withstanding the temperatures and/or pressures experienced with the hydro-boost…

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Due to improper material construction the hydro-boost fluid return hose may not be capable of withstanding the temperatures and/or pressures experienced with the hydro-boost system. Also, the hydro-boost fluid high pressure hose assembly may have been mislocated, allowing the assembly to contact the frame side rail. Abrasion resulting from continued contact along with improper material construction may cause pressure hose failure. Either of these conditions may cause hydro-boost fluid leakage, resulting in the loss of power assist for the steering and braking systems. Complete loss of steering or braking will not occur since both systems would revert to manual operation.
Remedy
The dealer will install a hydro-boost fluid return hose constructed form the proper material, positioning the hose assembly to ensure adequate clearance between it and the frame side rail.
Notes
Vehicle description: light trucks.system: service brakes; hydro boost system.consequences of defect: increased steering effort and increased stoppingdistances can result in loss of vehicle control and an accident.

Recall details

NHTSA campaign
78V188000
Reported to NHTSA
August 29, 1978
Filed by
CHRYSLER CORPORATION
Owner notification
October 11, 1978
Vehicles potentially affected
1,400
Initiated by
the manufacturer
Components
Service brakes, hydraulic › Foundation components › Hoses, lines/piping, and fittings
Recall 78V188000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

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