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1991 Porsche 928

Component

Power Train:Automatic Transmission

Consequence of Defect

a plastic filler piece located in the automatic transmission was installed without sufficient support. this filler piece can move because of the hydraulic pressure in the system, and not allow the automatic transmission to kick down to a lower gear.

Corrective Action

if the accelerator pedal is pushed into the kick-downposition, the expected acceleration of the vehicle may not occur due tointerference of the filler piece. this could result in an accident during avehicle passing manuever.

Recall Notes

dealers will install a new filler piece which has a securing brace to prevent movement.

1990 Porsche 928

Component

Fuel System, Gasoline:Storage:Tank Assembly

Consequence of Defect

plastic fuel gauge mounting nut may crack and allow fuel to leak from the fuel tank.

Corrective Action

if fuel comes into contact with a hot exhaust system orother ignition source, it could result in a fire.

Recall Notes

replace mounting nuts with nuts of an improved material.

1987 Porsche 928

Component

Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor

Consequence of Defect

inadequate heat shield above catalytic converter could overheat.

Corrective Action

materials near catalytic converter, including lines forautomatic transmission fluid, could ignite and cause an underbody fire.

Recall Notes

replace heat shield for catalytic converter with a larger, improved heat shield.

1987 Porsche 928

Component

Fuel System, Gasoline:Delivery:Hoses, Lines/Piping, And Fittings

Consequence of Defect

return fuel line hose may not be ozone resistant.

Corrective Action

fuel hose could crack, resulting in a fuel leak andengine compartment fire.

Recall Notes

install a new hose which is ozone resistant.

1986 Porsche 928

Component

Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor

Consequence of Defect

inadequate heat shield above catalytic converter could overheat.

Corrective Action

materials near catalytic converter, including lines forautomatic transmission fluid, could ignite and cause an underbody fire.

Recall Notes

replace heat shield for catalytic converter with a larger, improved heat shield.

1985 Porsche 928

Component

Engine And Engine Cooling:Exhaust System:Emission Control:Catalytic Convertor

Consequence of Defect

inadequate heat shield above catalytic converter could overheat.

Corrective Action

materials near catalytic converter, including lines forautomatic transmission fluid, could ignite and cause an underbody fire.

Recall Notes

replace heat shield for catalytic converter with a larger, improved heat shield.

1985 Porsche 928

Component

Engine And Engine Cooling:Engine

Consequence of Defect

the engine carrier has a faulty weld to the support bracket eyes. consequence of defect: the weld could give way and the bracket eye separate from the carrier. with higher mileage accumulation a break in the engine carrier could develop and result in a steering blockage, loss of control with possibly an accident.

Corrective Action

Recall Notes

replace the engine carrier and the carrier support.

1982 Porsche 928

Component

Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings

Consequence of Defect

due to the improper installation of hydraulic brake hoses, the hose could rub against the rim in certain wheel positions. brake fluid loss could result, causing a degradation in the performance of the front brake system. this would cause an increase in vehicle stopping distances.

Corrective Action

Recall Notes

dealer will reroute the front brake hose at no cost to owner.

1981 Porsche 928

Component

Suspension:Front:Shock Absorber

Consequence of Defect

front shock absorbers on some vehicles may have improperly welded mounting eyes. the shock absorber mounting could separate and cause the suspension to collapse if vehicle is driven on rough roads for a long period of time.

Corrective Action

Recall Notes

the front shock absorbers on all involved vehicles will be checked and, if necessary, replaced without charge.

1980 Porsche 928

Component

Steering:Wheel And Handle Bar

Consequence of Defect

on the involved vehicles, the universal joint which connects the steering shaft to the steering rack may have been improperly positioned during assembly. if vehicle is driven on poor roads for an extended period of time, the connection between the steering shaft and universal joint could loosen and cause excessive steering wheel free play.

Corrective Action

Recall Notes

dealer will inspect and reposition the universal joint connection at no cost to owner.

1980 Porsche 928

Component

Suspension:Front:Shock Absorber

Consequence of Defect

front shock absorbers on some vehicles may have improperly welded mounting eyes. the shock absorber mounting could separate and cause the suspension to collapse if vehicle is driven on rough roads for a long period of time.

Corrective Action

Recall Notes

the front shock absorbers on all involved vehicles will be checked and, if necessary, replaced without charge.

1979 Porsche 928

Component

Steering:Wheel And Handle Bar

Consequence of Defect

on the involved vehicles, the universal joint which connects the steering shaft to the steering rack may have been improperly positioned during assembly. if vehicle is driven on poor roads for an extended period of time, the connection between the steering shaft and universal joint could loosen and cause excessive steering wheel free play.

Corrective Action

Recall Notes

dealer will inspect and reposition the universal joint connection at no cost to owner.

1979 Porsche 928

Component

Service Brakes, Hydraulic:Foundation Components:Disc:Caliper

Consequence of Defect

the two mounting bolts for each of the left and right side front calipers have been improperly torqued during assembly. the torque wrench used in the assembly may have been mechanically defective.

Corrective Action

Recall Notes

dealer will retorque the front brake caliper mounting bolts to proper specifications.

1979 Porsche 928

Component

Service Brakes, Hydraulic:Fluid

Consequence of Defect

the brake system reservoir on the involved vehices may contain contaminated brake fluid. this fluid could eventually spread through the complete brake system and damage brake components.

Corrective Action

Recall Notes

the dealer will inspect and correct all brake components at no cost to owner.

1978 Porsche 928

Component

Parking Brake:Conventional:Mechanical:Linkage And Cable

Consequence of Defect

the emergency brake cable may have been improperly routed during assembly. consequently, the cable could chafe against the brake line or brake hose brackets. chafing could lead to damage to the emergeny brake cable.

Corrective Action

Recall Notes

the dealer will reroute the emergency brake cable without charge to owner. .

1978 Porsche 928

Component

Service Brakes, Hydraulic:Foundation Components:Hoses, Lines/Piping, And Fittings

Consequence of Defect

the existing brake hoses may have been twisted during assembly. consequently, the hose could chafe against the emergency brake cable. prolonged chafing could result in loss of brake fluid, thus affecting rear brakes.

Corrective Action

Recall Notes

the dealer will reroute the rear brake hose, if necessary, without charge to owner.

1978 Porsche 928

Component

Equipment:Other:Labels

Consequence of Defect

the symbol identifying the light switch on the involved vehicles does not meet the requirements of federal motor vehicle safety standard no. 101, "control and displays".

Corrective Action

Recall Notes

owner will be sent the correct symbol for self installation or installation by the dealer.

1978 Porsche 928

Component

Equipment:Other:Labels

Consequence of Defect

certification labels installed in the involved vehicles may not include the date of vehicle manufacture, as required by federal regulations.

Corrective Action

Recall Notes

dealer will install the correct certification label without charge to owner.

1978 Porsche 928

Component

Suspension:Front

Consequence of Defect

the front axle caster and camber adjusters could crack due to improper manufacture. should this happen, the adjusters could loosen and cause wheel misalignment. also, the tire on either the left or right side could experience extensive wear.

Corrective Action

Recall Notes

the dealer will replace the caster and camber adjusters without charge to owner.

1978 Porsche 928

Component

Steering:Wheel And Handle Bar

Consequence of Defect

on the involved vehicles, the universal joint which connects the steering shaft to the steering rack may have been improperly positioned during assembly. if vehicle is driven on poor roads for an extended period of time, the connection between the steering shaft and universal joint could loosen and cause excessive steering wheel free play.

Corrective Action

Recall Notes

dealer will inspect and reposition the universal joint connection at no cost to owner.

1978 Porsche 928

Component

Steering:Linkages:Knuckle:Spindle:Arm

Consequence of Defect

both the left and right steering arm are attached to the front axle knuckle with two fastening bolts. these bolts are beveled below the hex head to fit into the chamfered holes in the steering arm for proper fastening. the chamfering in these steering arm holes was omitted during manufacture. should the bolts loosen, the steering arm could become loose.

Corrective Action

Recall Notes

the dealer will correct the defect by chamfering the holes.

1978 Porsche 928

Component

Vehicle Speed Control

Consequence of Defect

the electrical contact points inside the steering column speed control switch may have been improperly manufactured. as a result, "sticking" could occur and cause the speed control system to stop functioning.

Corrective Action

Recall Notes

the dealer will replace the speed control switch, if necessary, free of charge.

1978 Porsche 928

Component

Structure:Body

Consequence of Defect

the roof moldings on each side of the vehicle are not securely fastened.

Corrective Action

Recall Notes

the dealer will secure both left and right roof moldings with additional screws on all involved vehicles, free of charge.