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Chevrolet 17085929 Valve Assembly, Fuel Upper Cnst Control

1984-1990 Chevrolet

GM 17085929 Valve Assembly, Fuel Upper Cnst Control
  • Part Description
    VALVE, Fuel Tank Evaporator/Purge Control
  • Position
    Upper
  • Manufacturer
    General Motors
Customer Questions & Answers
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  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number17085929
    Part DescriptionVALVE, Fuel Tank Evaporator/Purge Control
    Item Dimensions4.2 x 2.7 x 1.2 inches
    Item Weight0.50 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
    1987 Chevrolet Camaro8 Cyl 5.0L2 DOOR
    1984-1990 Chevrolet Caprice8 Cyl 5.0L4 DOOR, BROUGHAM 4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON, STATION WAGON
    1984-1987 Chevrolet El Camino8 Cyl 5.0LEL CAMINO, MONTE CARLO
    1984-1985 Chevrolet Impala8 Cyl 5.0L4 DOOR, CLASSIC 2 DOOR, CLASSIC 4 DOOR, CLASSIC STATION WAGON
    1984-1988 Chevrolet Monte Carlo6 Cyl 4.3L, 8 Cyl 5.0LEL CAMINO, MONTE CARLO

Customer Questions & 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 is the purpose and operation of the EGR Vacuum Solenoid and EGR Valve on Chevrolet Caprice? Posted by Customer
A:
This system is used to reduce oxides of nitrogen (NOx) emitted from the exhaust. It recirculates a small amount of exhaust gas in the combustion cycle to reduce peak temperatures and the formation of NOx. The EGR valve, located on the intake manifold, is the heart of the system and should be inspected occasionally. Two types of EGR valves are used: negative backpressure and positive backpressure. The system does not operate at idle or during deceleration and is regulated by a thermal vacuum switch. Common engine problems associated with the EGR system include rough idling, stalling, and rough engine performance. To check the EGR valve, push upwards on the diaphragm plate and ensure it moves freely. Start the engine and manually depress the diaphragm to check for changes in engine speed. Check for vacuum at the EGR valve and inspect for disconnections or blockages in the vacuum lines. The thermal vacuum switch regulates EGR valve operation based on engine temperature and can be tested with a vacuum gauge. If the switch is defective, it should be replaced. To replace the EGR valve, disconnect the vacuum hose, remove the nuts or bolts securing the valve, clean the mounting surfaces, and install the new valve with a new gasket. To replace the thermal vacuum switch, drain the engine coolant, disconnect the vacuum hoses, remove the switch using a wrench, apply thread sealer to the threads, and install the new switch.
Posted by GMPartsGiant Specialist
Q:
What precautions should be taken when removing and reinstalling the EGR valve or thermal vacuum switch of the 1981 Chevrolet El Camino? Posted by Customer
A:
When removing and reinstalling the EGR valve or thermal vacuum switch, it is important to follow the necessary steps. Additionally, a new gasket and thread sealer should be used during reinstallation.
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 1985 Pontiac Firebird? Posted by Customer
A:
The EGR system is used to reduce NOx emissions by lowering combustion temperature.
Posted by GMPartsGiant Specialist
See expert answers on similar EGR Valve
Q:
How can you check the diaphragm of the EGR valve for the 1990 Oldsmobile Cutlass? Posted by Customer
A:
Most EGR valves are open underneath to check 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 location of the EGR valve on Pontiac Firebird? Posted by Customer
A:
On GM vehicles, the EGR valve is located on the intake manifold, adjacent to the carburetor or TBI unit. Most of the time, when a problem develops in this emissions system, it is due to a stuck or corroded EGR valve. With the engine cold to prevent burns, 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. If the diaphragm does not move or moves only with much effort, replace the EGR valve with a new one. If in doubt about the quality of the valve, compare the free movement of your EGR valve with a new valve.
Posted by GMPartsGiant Specialist
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

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 17085929 Valve Assembly, Fuel Upper Cnst Control. It is sometimes referred to as Chevrolet EGR Valve. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Chevrolet Camaro, Caprice, Impala models.

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