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Pontiac 91177344 Cylinder Head Assembly (On Esn)

1994-1997 Pontiac Sunrunner

Customer Questions & Expert Answers (6)
GM 91177344 Cylinder Head Assembly (On Esn)
  • Part Description
    Head Asm,Cylinder (On Esn) ; Head, Engine Cylinder
  • Replaces
    96068566
  • 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 Pontiac
    Manufacturer Part Number91177344
    Part DescriptionHead Asm,Cylinder (On Esn) ; Head, Engine Cylinder
    Other NamesCylinder Head
    Item Dimensions19.1 x 8.6 x 8.1 inches
    Item Weight21.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces96068566
    ManufacturerGeneral Motors
    SKU91177344
    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
    1994-1997 Pontiac Sunrunner4 Cyl 1.6L2 DOOR HARD TOP, 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 91177344 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to reassemble the head after valve service? Posted by Customer
    A:
    Regardless of whether or not the head was sent to an automotive repair shop for valve servicing, make sure it's clean before beginning reassembly. If the head was sent out for valve servicing, the valves and related components will already be in place. Install new seals on each of the valve guides. Using a hammer and a deep socket or seal installation tool, gently tap each seal into place until it's completely seated on the guide. Don't twist or cock the seals during installation or they won't seal properly on the valve stems. Beginning at one end of the head, lubricate and install the first valve. Apply moly-base grease or clean engine oil to the valve stem. Drop the spring seat or shim(s) (if used) over the valve guide and set the valve spring(s) and retainer in place. On DOHC engines, make sure that the inner and outer springs are installed with the large-pitch end at the top of the spring and the small-pitch end at the bottom. Compress the springs with a valve spring compressor and carefully install the keepers in the groove, then slowly release the compressor and make sure the keepers seat properly. Apply a small dab of grease to each keeper to hold it in place if necessary. Repeat the procedure for the remaining valves. Be sure to return the components to their original locations-don't mix them up! Check the installed valve spring height with a ruler graduated in 1/32-inch increments or a dial caliper. If the head was sent out for service work, the installed height should be correct (but don't automatically assume that it is). The measurement is taken from the top of each spring seat or shim(s) to the bottom of the retainer. If the height is greater than specified, shims can be added under the springs to correct it. Caution: Don't, under any circumstances, shim the springs to the point where the installed height is less than specified. Apply moly-base grease to the rocker arm faces and the camshaft, then install the camshaft, rocker arms, springs and shafts. On 16-valve engines, tighten the bearing caps to the torque. Reinstall the distributor case, using a new O-ring.
    Posted by GMPartsGiant Specialist
    Q:
    Where can you typically find new and rebuilt cylinder heads for most engines for the 1994 Chevrolet Tracker? Posted by Customer
    A:
    New and rebuilt cylinder heads are usually available at dealerships and auto parts stores.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What should be done to threaded fasteners and threaded holes in the block for the 1996 Chevrolet Tracker? Posted by Customer
    A:
    Clean and inspect all threaded fasteners and ensure that the threaded holes in the block are clean and dry.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What should be used to remove old gasket material and sealant from the cylinder head gasket and other surfaces for the 1994 Chevrolet Tracker? Posted by Customer
    A:
    Old gasket material and sealant can be removed from the cylinder head gasket and other surfaces using specialized gasket removal solvents.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    Q:
    What's the final step for the 1999 Chevrolet Tracker? Posted by Customer
    A:
    Reconnect the negative battery cable, start the engine, readjust the ignition timing if necessary, and check for leaks and proper operation.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Cylinder Head
    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 91177344, the Right Choice

To ensure reliability, purchase GM part # 91177344 Cylinder Head Assembly (On Esn). It is sometimes referred to as Pontiac Cylinder Head. 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 Pontiac Sunrunner models.

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