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Oldsmobile 17085929 Valve Assembly, Fuel Upper Cnst Control

1982-1990 Oldsmobile

Customer Questions & Expert Answers (12)
GM 17085929 Valve Assembly, Fuel Upper Cnst Control
  • Part Description
    VALVE, Fuel Tank Evaporator/Purge Control
  • Position
    Upper
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Oldsmobile
    Manufacturer Part Number17085929
    Part DescriptionVALVE, Fuel Tank Evaporator/Purge Control
    Item Dimensions4.2 x 2.7 x 1.2 inches
    Item Weight0.40 Pounds
    PositionUpper
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU17085929
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1982-1984 Oldsmobile 988 Cyl 5.0LREGENCY 2 DOOR, REGENCY 4 DOOR, REGENCY BROUGHAM
    1982-1990 Oldsmobile Custom Cruiser8 Cyl 5.0L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, BROUGHAM LS 4 DOOR, RWD, STATION WAGON
    1982-1987 Oldsmobile Cutlass6 Cyl 3.0L, 8 Cyl 4.3L, 8 Cyl 5.0L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, CUTLASS CALAIS, CUTLASS CRUISER, LS 2 DOOR, LS 4 DOOR
    1982-1985 Oldsmobile Delta 888 Cyl 4.3L, 8 Cyl 5.0L2 DOOR, 4 DOOR, BROUGHAM 2 DOOR, BROUGHAM 4 DOOR, BROUGHAM LS 4 DOOR, RWD, STATION WAGON
    1982-1985 Oldsmobile Toronado8 Cyl 5.0LBROUGHAM
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 17085929 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What Are the Function of the Exhaust Gas Recirculation System and EGR Valve and How Is It Tested on Buick Regal? Posted by Customer
    A:
    The 2-barrel engines have EGA with a metering valve, vacuum line to the carburetor, and exhaust gas passages cast into the intake manifold. Called the EGA valve, this one is operated by the vacuum from the carburetor and opens and closes to enable the mixture of the exhaust gases with the fuel and air to provide a non-misfire or pinging at part throttle. This system reduces combustion temperature and hence decrease nitrogen oxides (NOx) emission, with the valve closed at idle and at full throttle. In many configurations, it is a thermal vacuum switch that regulates vacuum to the EGR valve in order to eliminate stalling and rough idle when the engine is cold. As the vehicle accelerates, the valve opens at specific vacuum with direct aim of admitting exhaust gases into the mixture. Some of the California engines have a provision that includes a dual diaphragm EGR valve to help in operation during non-constant vacuum conditions. Starting from models of the year 1977, manufacturers have employed back pressure EGR valves which are triggered by exhaust back pressure in order to control the EGR flow with respect to the load on the engine. The later models incorporate ported signal vacuum EGR valves and the particular systems employ pulse width modulation in order to control EGR under some circumstances. Measures that are taken to test for EGA issues include checking for EGA that is either too large or small, examining the vacuum hoses and testing the functionality of the EGA valve. An EGR valve and the thermal vacuum switch are removed and reinstalled in the system; details should be paid to vacuum lines, and sealing should be appropriate.
    Posted by GMPartsGiant Specialist
    Q:
    What precautions should be taken when removing and installing the EGR valve and thermal vacuum switch for the 1982 Buick Century? Posted by Customer
    A:
    Careful handling of vacuum lines and proper sealing are required to ensure functionality during the removal and installation of the EGR valve and thermal vacuum switch.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    What is the purpose of the Exhaust Gas Recirculation (EGR) system for the 1981 Buick Skylark? Posted by Customer
    A:
    The EGR system is designed to reduce nitrogen oxide (NOX) emissions by recirculating a small amount of exhaust gas into the combustion cycle to lower peak combustion temperatures, where NOX is formed.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    What should you do if the EGR valve's diaphragm does not move or moves with difficulty for the 1986 Chevrolet Caprice? Posted by Customer
    A:
    If the diaphragm does not move or moves only with much effort, it is recommended to replace the EGR valve with a new one.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    Where is the EGA valve located on the 1985 Chevrolet El Camino? Posted by Customer
    A:
    The EGA valve is located on the intake manifold, adjacent to the carburetor.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    What is the purpose of the exhaust gas recirculation (EGR) system of the 1984 Chevrolet El Camino? Posted by Customer
    A:
    The purpose of the EGR system is to reduce the emissions of oxides of nitrogen (NOx) from the exhaust.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    How can one check the EGR valve for the 1985 Oldsmobile Cutlass? Posted by Customer
    A:
    To check the EGR valve, locate it on the intake manifold, ensure the diaphragm moves freely, and test engine response when manually depressing the diaphragm. Additionally, verify that vacuum reaches the EGR valve and check the thermal vacuum switch's functionality with a vacuum gauge.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    How can you check if the EGR valve is functioning properly for the 1987 Pontiac Firebird? Posted by Customer
    A:
    With the engine cold, you can reach under the EGR valve and manually push on the diaphragm. Using moderate pressure, you should be able to press the diaphragm up and down within the housing.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    What is the most common cause of a fault in the emissions system related to the EGR valve for the 1982 Oldsmobile Cutlass? Posted by Customer
    A:
    The most common cause is a stuck or corroded EGR valve.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    What is the purpose of the Exhaust Gas Recirculation (EGR) system for the 1981 Oldsmobile Omega? Posted by Customer
    A:
    The EGR system is designed to reduce nitrogen oxide (NOX) emissions by recirculating a small amount of exhaust gas into the combustion cycle to lower peak combustion temperatures, where NOX is formed.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    Q:
    Where is the EGA valve located for the 1981 Pontiac Phoenix? Posted by Customer
    A:
    The EGA valve is located on the intake manifold, adjacent to the carburetor.
    Posted by GMPartsGiant Specialist
    See expert answers on similar EGR Valve
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 17085929, the Right Choice

To ensure reliability, purchase GM part # 17085929 Valve Assembly, Fuel Upper Cnst Control. It is sometimes referred to as Oldsmobile EGR Valve. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Oldsmobile 98, Custom Cruiser, Cutlass models.

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