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GM 91173039 Camshaft (On Esn)

1989-2000 GM

Customer Questions & Expert Answers (2)
GM 91173039 Camshaft (On Esn)
  • Part Description
    CAMSHAFT, Engine
  • Replaces
    91172320
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number91173039
    Part DescriptionCAMSHAFT, Engine
    Other NamesCamshaft
    Item Dimensions14.0 x 2.1 x 2.1 inches
    Item Weight2.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces91172320
    ManufacturerGeneral Motors
    SKU91173039
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1989-2000 Chevrolet Metro3 Cyl 1.0L, 4 Cyl 1.3L2 DOOR, 4 DOOR, CONVERTIBLE, LSI 2 DOOR, LSI 4 DOOR, LSI CONVERTIBLE
    1989-1991 Chevrolet Sprint3 Cyl 1.0LLSI 2 DOOR, LSI 4 DOOR, LSI CONVERTIBLE
  • 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 91173039 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to remove and reinstall rocker arms and Camshaft on Chevrolet Metro? Posted by Customer
    A:
    The rocker arms and shafts are accessed by first, turning off the car's battery's negative terminal, second, positioning the number one piston at the top dead center and third, removing the valve cover. Wrench the lock nuts and turn the valve adjustment screws, counter clockwise till they do not come in contact with the valves. Lose the eight screws used to secure the rocker arm shafts, these will most likely be very tight and you might have to use an impact screwdriver. Rocker arm numbers start at number one at the timing belt side proceeding toward the rear in an alternating pattern so that the intake side is numbered 1, 3, and 5 while the exhaust is numbered 2, 4, and 6. Shove up on the rear of one rocker arm shaft, so you can get some purchase on it with your plier and slowly pull both the rocker arm shafts out of the front of the engine, lifting the rocker arms and springs out of the head as they come off the rocker arm shaft. Subsequently, the timing belt, cam sprocket and the inner timing belt cover would be eradicated together with the distributor and fuel pump. Take out the air injection tube and unscrew the distributor case, now ease the camshaft from the cylinder head, be careful not to mar the bearings. Wipe all the parts in solvent as well as the use of lint free cloth so as to ensure that they are clean. By measures the inside diameter of each rocker arm and the outside diameter of the shaft where the rocker arm rides and compared with the specifications. For wear and signs of damage on the camshaft, the rocker arms and the springs, replace any heavily worn items. Check the height of the cam lobe and take a comparison of the figure thus obtained with the standard figure located on the specifications of the camshaft; if the height of the cam lobe is below the minimum then the camshaft must be changed. Check the size of each bearing journal and compare with standard size, inspect the camshaft and replace it if the journals are bad or spoiled. Insert a bore gauge in to the camshaft bearing bores and record the measurement and thereby calculate the bearing clearance. There will be severe cases where a new cylinder head will be required if the oil clearance is too high. For installation of camshaft apply engine assembly lube or moly-base grease on the camshaft bearing journals and lobes and then in the head. Squirrel the same material to the grooves of the rocker arm and slowly place a shaft of the rocker arm into the cylinder head in order to ensure that the rocker arms are placed back to their positions appropriately and that the shafts are rightly positioned. It is recommended that after the component has been located proceeding to fix the retaining screws then followed by tightening the heads of the screws according to the torque limit with rotation of the heads in such a way that the holes in the head of the screw align with the holes in the component. Last of all, place the rest of the components in the reverse order of which they were removed and then set the valves properly.
    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 91173039, the Right Choice

To ensure reliability, purchase GM part # 91173039 Camshaft (On Esn). It is sometimes referred to as GM Camshaft. 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 Chevrolet Metro, Sprint models.

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