Question about 1983 Buick Skylark

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Will a Buick nail head intake manifold fit a 1971 Buick 350 engine???

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NO !!!!!!!!

Posted on May 20, 2011

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Posted on Jan 02, 2017

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2001 buick century torque prints for haeds on up


the 3100 specs
Type: Bolt Dim: Length: Head: Hexagon Grade: 37 Ft-Lbs 444 In-Lbs 50.17 N-m Connects: Cylinder Head To Engine Block Years: 1998-2001 Vote Record: Vote Note: 3100 - Head Bolts - 2 Steps: 37FtLbs; +90deg
12 Ft-Lbs 144 In-Lbs 16.27 N-m Connects: Exhaust Manifold To Cylinder Head Years: All Vote Record: Vote Note: 3100 - Exhaust Manifold to Cylinder Head
Type: Bolt Dim: Length: Head: Hexagon Grade: 9.58 Ft-Lbs 115 In-Lbs 13 N-m Connects: Intake Manifold To Cylinder Head Years: All Vote Record: 0/1(0%) Note: 3100 - Lower Bolts - 2 Steps: 5 FtLbs; 9.58 FtLbs Here are the head bolt torques for a 3.8
37 Ft-Lbs 444 In-Lbs 50.17 N-m Connects: Cylinder Head To Engine Block Years: 1999-2005 Vote Record: Vote Note: 3800 II - 2 Steps: 37FtLbs; +120deg
13 Ft-Lbs 156 In-Lbs 17.63 N-m Connects: Exhaust Manifold To Cylinder Head Years: 1999-2005 Vote Record: Vote Note: 3800 II - Exhaust Manifold to Cylinder Head - NOT FRONT 2
7.42 Ft-Lbs 89 In-Lbs 10.06 N-m Connects: Fuel Rail To Intake Manifold Years: All Vote Record: Vote Note: 3800 II - Fuel Rail Mounting Bolts 2.25 Ft-Lbs 27 In-Lbs 3.05 N-m Connects: Idle Air Control Valve To Throttle Body Years: All Vote Record: Vote Note: 3800 II - Idle Air Control Valve to Throttle Body Type: Bolt Dim: Length: Head: Nut Grade: 11 Ft-Lbs 132 In-Lbs 14.92 N-m Connects: Intake Manifold To Cylinder Head Years: All Vote Record: Vote Note: 3800 II - Intake Manifold to Cylinder Head Bolts/Nuts
7.42 Ft-Lbs 89 In-Lbs 10.06 N-m Connects: Intake Manifold Plenum To Intake Manifold Years: All Vote Record: Vote Note: 3800 II - Intake Manifold (Upper) to Lower Manifold Type: Bolt Dim: Length: Head: Hexagon Grade: 14 Ft-Lbs 168 In-Lbs 18.98 N-m Connects: Knock Sensor To Cylinder Head Years: All Vote Record: Vote Note: 3800 II - Knock Sensor

Jul 24, 2016 | 2001 Buick Century

1 Answer

Are there any known problems of head gaskets on 1997 buick century


Aaron, there has been a few problems with head gaskets, the bigger problem was with the intake manifold gaskets.
Check the attached links,
" I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

Intake Manifold Gaskets May Leak Coolant or Engine Oil Buick Century...

Coolant Leaking From Intake Gaskets GM 3 1L 3 4L

Thread how do tell if my headgasket or intake gasket is bad

1997 Buick Century Blown Head Gasket

Mar 13, 2016 | Buick Cars & Trucks

1 Answer

Replacing a head gasket in a 1993 buick century


Before head gasket replacement have you checked these
Intake Manifold Gaskets May Leak Coolant or Engine Oil
engine or leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Our technicians tell us that operating the engine with a coolant/oil mix can result in internal engine damage. Replacing the intake manifold gasket should correct these leaks.
Leaking Water Pump May Cause Coolant Loss and Overheating
A coolant leak may develop from the . The may overheat as a result of the coolant loss. A leaking water pump should be replaced.
Headgasket replacement
step 1. undo negative battery cable or completely remove battery and tray.
step 2. remove air cleaner and associated piping if it is in the way to allow access to head, drain cooling system and remove upper radiator hose.
step 3. remove top portion of exhaust manifold.
step 4. remove intake manifold and fuel injection rail as necessary
step 5. remove spark wires and valve cover.
step 6. remove drive belts and top timing cover before removing timing belt find all alignment marks and paint to improve your visibility and aid in reassembly if no marks are present remove spark plug # 1 and rotate until piston is at tdc and check timing mark on crankshaft that it is on 0 then paint the belt and cams anything that has teeth that the timing belt rides on make a mark to aid in reassembly even if you are replacing t-belt at least you can compare to new belt and transfer marks, release tension on t-belt tensioner and remove t-belt.
step 7. remove head bolts start loosening at inside and work outwards reemove head bolts and pay attention to sizing and placement.
carefully check for anything that is still attached to head and if free tap head with rubber or dead blow hammer to free from block and lift straight up so as not to ruin or bend any of the alignment pegs.
step 8. remove head gasket material with non-scratching tools or scrapers or buff pads made for that job. making note of where it was blown.
step 9. decide if you should send head to machine shop to have mating surface made flat again and also to have valves and related parts inspected or replaced. usually about $300-$400
step 10. inspect block remove all gasket material look for pitting or scarring also use straight edge to determine if it is straight or if it needs to be resurfaced by a machine shop.
step 11. install new headgasket and check fit. If all is good reassemble in reverse order of removal and I always like to replace crank seal ,cam seal, water pump, t-belt and tensioner also thermostat, drivebelts, spark plugs, cap, rotor, wires, pcv valve, intake manifold ,exhaust manifold gaskets.
this is just a broad overview hope it helps you will have to get haynes manual or similar for head torque values and what not

Aug 05, 2014 | 1993 Buick Century

3 Answers

Engine oil getting into the radiater,any suggestions


Hi
Check your oil fill cap on the bottom for any signs of white milky looking oil, pull your dipstick and do the same. If yes, then you most likely have an intake manifold gasket leak, very, very common on these cars. Solution is to replace intake manifold gaskets, and check for signs of cracked intake while apart.

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May 07, 2011 | 2001 Buick Century

1 Answer

Does my 92 buick roadmaster have a short block or long block?


short block just means an engine without the cylinder heads installed on it. That's one way of buying an engine. Along block is the same as a short block except it does have the cylinder heads and maybe the intake manifold as well.

Jan 13, 2011 | 1992 Buick Roadmaster

1 Answer

How to remove intake manifold on 2005 Buick Lesabre


You didn't post the size of your engine so please pick the appropriate one:

3.8L
  1. Relieve the fuel system pressure.
  2. Drain the cooling system.
    1. Remove or disconnect the following:
    2. Negative battery cable
    • Supercharger
    • Thermostat housing
    • Exhaust Gas Recirculation (EGR) tube at the intake manifold
    • Engine Control Temperature (ECT) sensor
    • Intake manifold
  • To install:

    1. Install or connect the following:
      • Intake manifold with new gaskets. Torque the bolts, working from the center out, to 11 ft. lbs. (15 Nm).
      • ECT sensor connector
      • EGR tube to the intake manifold
      • Thermostat housing
      • Supercharger
      • Negative battery cable
    2. Refill and bleed the cooling system.
    3. Run the engine and check for leaks and proper engine operation.
    4.6L
    4.6L Engine
    1. Remove the brake booster hose from the throttle body.
    2. Remove the fuel pressure regulator vacuum tube from the fuel pressure regulator and the water crossover.
    3. Remove the PCV fresh air feed tube from the camshaft cover and the throttle body.
    4. Remove the PCV dirty air tube from the PCV orifice in the right camshaft cover and from the intake manifold.
    5. Disconnect the fuel injector electrical connectors from the fuel injectors.
    6. Remove the fuel injector wiring harness.
    7. Remove the fuel rail bracket nut from the engine lift bracket.
    8. Remove the fuel rail studs.
    9. Lift and remove the fuel rail with injectors.
    10. Loosen the plenum duct clamp in order to remove the intake manifold.
    11. Remove the intake manifold bolts.
    12. Remove the intake manifold.

    To install:

    1. Install the intake manifold, fitting the plenum duct over the intake manifold duct.
    2. Loosely install the intake manifold bolts.

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    Intake manifold torque sequence-4.6L engine


    1. Tighten the intake manifold bolts in sequence. Tighten the intake manifold bolts to 89 inch lbs. (10 Nm).
    2. Tighten the plenum duct clamp to the intake manifold. Tighten the plenum duct clamp to 24 inch lbs. (2.75 Nm).
    3. Inspect the fuel injector O-rings. Ensure the fuel injector O-rings are not missing, misaligned or damaged. Replace the O-rings if necessary.
    4. Lubricate the intake manifold fuel injector bores with light mineral oil (GM P/N 9981704), clean engine oil, or equivalent.
    5. Install the fuel rail with fuel injectors as an assembly.
    6. Install the fuel rail studs. Tighten the fuel rail studs to 80 inch lbs. (9 Nm).
    7. Install the fuel rail bracket nut to the engine lift bracket. Tighten the fuel rail bracket nut to 89 inch lbs. (10 Nm).
    8. Install the fuel injector wiring harness.
    9. Connect the fuel injector electrical connectors to the fuel injectors.
    10. Install the PCV dirty air tube to the PCV orifice in the right camshaft cover and to the intake manifold.
    11. Install the PCV fresh air feed tube to the camshaft cover and the water crossover.
    12. Install the fuel pressure regulator vacuum tube to the fuel pressure regulator and the throttle body.
    13. Install the brake booster hose to the throttle body.

    Nov 13, 2010 | Buick LeSabre Cars & Trucks

    2 Answers

    What's the difference between a blown head gasket and a blown intake gasket?


    The head gasket goes between the block and the head, and seals the combustion process, and cooling water, and (if oil is pumped obove the heads to valve components) oil pressure.

    Intake gaskets seal between the intake manifold and the head, and seal against intake vacuum, and in many cases, coolant.

    A badly blown head gasket will so destroy compression in the cylinder that you can hear uneven cranking as that cylinder comes up on compression, kind of a “whir, whir, WHIR, whir, whir, WHIR, whir” with the capitalized whir being the engine spinning much faster due to no compression holding the starter back.

    You will never be able to hear a problem with an intake manifold gasket until the engine actually starts to fire and/or run.

    Aug 10, 2010 | 1994 Pontiac Grand Am

    1 Answer

    Intake manifold gasket / replace


    3.8L Engine

    NOTE The 3.8L (VIN K) non-supercharged engine uses a two-piece intake manifold consisting of an upper air plenum which mounts the throttle body and a lower intake manifold assembly which houses the fuel injectors. The 3.8L (VIN 1) supercharged engine uses a similar lower intake manifold. The supercharger serves as the upper manifold.
    Lower Manifold

    NOTE Two bolts which fasten the lower intake manifold to the cylinder head are accessible only after the upper intake manifold is removed. These bolts are located in the right front and left rear corners of the lower intake manifold. Remove the upper intake manifold to service the lower intake.
    The 3.8L (VIN 1) supercharged engine uses a manifold similar to the 3.8L (VIN K), but the supercharger serves as the upper manifold.
    1. Disconnect the negative battery cable.
    2. On 3.8L (VIN 1) engines, remove the supercharger assembly. Please see the procedure in this section.
    3. Remove the upper intake manifold using the procedure above.
    4. Remove the EGR outlet pipe from the intake manifold.
    5. Detach the engine coolant temperature sensor wiring harness from the sensor.
    6. Remove the lower intake manifold bolts and carefully lift off the manifold.

    To install:


    0900c15280269f1b.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Lower intake manifold bolt torque sequence-3.8L (VIN K) engine
    1. Clean all parts well with degreaser, especially the gasket seal surfaces on the upper and lower manifold pieces and between the lower manifold and the cylinder heads..
    2. Install new gaskets to the cylinder heads and new seals to the engine block. Carefully lower the manifold into place. Apply thread-locking compound to the bolt threads. Make sure to install the two hidden bolts in the lower intake manifold. Hand start all bolts, then torque evenly to 11 ft. lbs. (15 Nm). Follow the toque sequence, starting in the center, then working outwards in a circle.
    3. Install the remaining components in the reverse order of the removal process.

    Upper Intake Manifold (Plenum)
    1. Disconnect the negative battery cable.
    2. On 3.8L (VIN 1) engines, remove the supercharger assembly. Please see the procedure in this section.
    3. Tag for identification, then remove the right side spark plug wires.
    4. Disconnect the ignition wires from the fuel rail.
    5. Remove the fuel rail. Please see Section 5.
    6. Remove the cable bracket from the intake manifold.
    7. Remove the throttle body.


    NOTE Two bolts which fasten the lower intake manifold to the cylinder head are accessible are accessible only after the upper intake manifold is removed. These bolts are located in the right front and left rear corners of the lower intake manifold.
    1. Remove the upper intake manifold bolts and carefully lift the upper intake manifold from the engine.



    0900c15280269f1c.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Upper intake manifold and bolt torque sequence-3.8L (VIN K) engine
    To install:
    1. Clean all parts well with degreaser, especially the gasket seal surfaces on the upper and lower manifold pieces.
    2. Install new gaskets to the cylinder heads and new seals to the engine block. Carefully lower the manifold into place. Make sure to install the two hidden bolts in the lower intake manifold. Hand start all bolts, then torque evenly to 89 inch lbs. (10 Nm). Follow the torque sequence, starting in the center, then working outwards in a circle.
    3. Install the remaining components in the reverse order of the removal process.

    Sep 11, 2009 | 1999 Buick Regal

    2 Answers

    Where is the head gasket in a 1990 buick skylark and how do you knopw if its bad?


    Gasket is between cylinder head and engine block. If u have oil in the coolant or vice versa, or overheating then u most likely have a bad head gasket

    Dec 29, 2008 | Buick Skylark Cars & Trucks

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