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Buick 25522648 Cover Assembly, Engine Front

1982-1987 Buick

Customer Questions & Expert Answers (2)
GM 25522648 Cover Assembly, Engine Front
  • Part Description
    COVER KIT, Engine Front Cover
  • Position
    Front
  • 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 Buick
    Manufacturer Part Number25522648
    Part DescriptionCOVER KIT, Engine Front Cover
    Other NamesFront Cover, Timing Cover
    Item Dimensions18.0 x 12.5 x 5.4 inches
    Item Weight5.80 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU25522648
    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
    1982-1983 Buick Electra6 Cyl 4.1LCOUPE 2 DOOR, ELECTRA ESTATE WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, SEDAN 4 DOOR
    1982-1985 Buick Estate Wagon6 Cyl 3.8L, 6 Cyl 4.1LCUSTOM 2 DOOR, CUSTOM 4 DOOR, ELECTRA ESTATE WAGON, ESTATE WAGON, LIMITED 2 DOOR, LIMITED 2 DOOR COLLECT SP EDIT, LIMITED 4 DOOR, LIMITED 4 DOOR COLLECT SP EDIT
    1982-1985 Buick Lesabre6 Cyl 3.8L, 6 Cyl 4.1LCUSTOM 2 DOOR, CUSTOM 4 DOOR, ELECTRA ESTATE WAGON, ESTATE WAGON, LIMITED 2 DOOR, LIMITED 2 DOOR COLLECT SP EDIT, LIMITED 4 DOOR, LIMITED 4 DOOR COLLECT SP EDIT
    1982-1987 Buick Regal6 Cyl 3.8L, 6 Cyl 4.1L2 DOOR, 4 DOOR, REGAL, STATION WAGON
    1982-1985 Buick Riviera6 Cyl 3.8L, 6 Cyl 4.1LCONVERTIBLE COUPE, RIVIERA, T TYPE
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 25522648 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What are the removal and installation procedures for Timing Cover? Posted by Customer
    A:
    To be able to remove or install Buick engines, just follow these: Drain cooling system and pull out the radiator, fan, pulley and belt. Remove fuel pump and the alternator if necessary. Distributor should be removed but not before noting its position so that it won't disturb anything. To achieve this, you need to remove the thermostat by-pass hose, harmonic balancer, timing chain-to-crankcase bolts and also oil pan-to-Timing Cover bolts in order to take off the Timing Cover. After driving out the old seal and shedder, coil new packing around opening, drive in shedder, and properly size packing. To make sure of this camshaft sprocket bolt shall be removed without changing its position while sprockets' timing marks coincide with each other and front crankshaft oil slinger is detached from it for good. On a 350 engine there is a crankshaft distributor drive gear and fuel pump eccentric while on a V6 there are camshaft sprocket bolts that must be removed. The camshaft may then be carefully pried along with crankshaft sprockets forward thereby removing all of them together with their chains. Then you need to check that No. 1 piston is at top dead center before assembling the timing chain on both sprockets and sliding them onto shafts with 0-marks aligned; thereupon put slinger into place on crankshaft; slide fuel pump eccentric on camshaft followed by putting woodruff key in place; put back distributor drive gear as well as eccentric bolt over there. Tighten bolts using specified torque values then install new seal gasket plus cover for timing case after which secure it using appropriate bolts. Before reinstalling oil pan plus other components clean all gasket mating surfaces as well as apply silicone sealer to oil pan-to-cylinder block joint. In Pontiac Engines (265 & 301), drain the cooling system, disconnect hoses, vacuum lines, and spark plug wires, and remove the radiator. To enable this happen is simply disconnecting the accelerator linkage and temperature gauge wire as well as fuel lines. Hood latch brace, PCV valve hose, rocker covers, distributor, intake manifold are to be completely removed together with valve cover. Just loosen rocker arm nuts and then remove pushrods plus lifters. After that take out the timing cover and gasket followed by fuel pump eccentric and bushing in order to get at harmonic balancer; fuel pump; oil pan-to-timing cover bolts; the harmonic balancer; oil pan-to-timing cover bolts; timing cover as well as gasket; timing chain along with sprockets replacing it later with new ones. First of all position the engine with No. 6 piston at top dead center even before rotating crankshaft to align camshaft gear mark at 12 o'clock after which slide these camshaft plus crankshaft sprockets onto their respective shafts having their 0-marks aligned. This should be done prior to putting slinger on crankshaft or installing fuel extractor eccentric or using camshaft sprocket bolts such as camshaft thrust plate. Lubricate parts during reassembly according to procedures employed earlier in disassembling them. In Chevrolet Engines (305 & 350), drain radiator and take off belts including fan, pulley, crankshaft pulley and balancer among others. Clean all gasket mounting surfaces first of all. In reinstalling process apply silicone sealer for oil pan-to-cylinder block joint; use a centering tool when handling front cover then tighten it down by securing its bolts; hang harmonic balancer on place like it was before then put back pulley too just like it is supposed to be followed by water pump that needs some new belts which must also be fixed on place along with other parts such as radiator and the like. For Oldsmobile Engines (307, 350, & 403), drain the coolant, disconnect hoses, remove fan, belts, pulley, crankshaft pulley and balancer on some models. Remove front cover bolts then take it off along with timing indicator and water pump. Later models have dowel pins that are ground while their ends are chamfered. Just trim gaskets before cleaning mating surfaces to apply sealer in addition to placing new seals as well as gaskets where they belong. After installing the cover again use another bolt to secure it; this is followed by tightening while holding down pan seal afterwhich press down on the cover and rotate it for a while; finally tighten bolts again. Lubricate balancer seal surface followed by reversing sequence of removal in which balancer is installed together with other parts.
    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 25522648, the Right Choice

To ensure reliability, purchase GM part # 25522648 Cover Assembly, Engine Front. It is sometimes referred to as Buick Timing Cover. 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 Buick Electra, Lesabre, Regal models.

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