Cadillac 22542648 Manifold, Intake (Aluminum)

Specific steps and precautions must be followed for the removal and installation of intake manifolds on various engine types. For 196, 231, 252, and 350 Buick Engines, disconnect the negative battery cable. Drain the radiator. Remove air cleaner. Disconnect the upper radiator hose and heater hose at manifold. Disconnect other linkages and brackets like accelerator linkage and bracket, cruise control chain (if applicable), fuel line, booster vacuum pipe etc.On 1976 models, remove choke pipe from choke housing; label wire, hoses and bracket as necessary; On six-cylinder models, distributor cap and wires may need to be removed to access a Torx® head bolt. Also remove throttle linkage springs as necessary ,then remove manifold itself. This entails using a new gasket with sealer on the rubber gasket seals ,ensure proper alignment,and tightening bolts in specified order for installation purposes. For 305 and 350 Chevrolet Engines: Drain cooling system. Take off air cleaner assembly. Rmove battery ground,Then Upper radiator hose and heater hose from manifold , Then disconnect all linkages such as hoses associated with carburetor/manifold assembly,and then distributor after marking rotor position,.remove any other brackets or springs,Before unbolting it and removing it from the vehicle or engine so you can comprehend this better.,To install it back use old gaskets in opposite order while ensuring proper torque sequence is followed by bolts of the manifold will secure it tightly enough in place again . For 350 And 403 Oldsmobile Gasoline Engines: take off carburetor air cleaner first then drain radiator right away to prevent overheating,. Remove connecting upper radiator hose/bypass hose/heater hose To do this you might want to consider removing throttle linkage,vacuum & gas lines that are connected to carburetor , generator related brackets ,as well as some air conditioning parts . Then disconnect temperature gauge wire; EGR solenoid assembly, Idle Load Compensator unit and similar components. Also remove the EGR valve before taking off the intake manifold itself. Finally, clean gaskets surfaces, apply sealer, place gaskets,and secure manifold bolts in a certain sequence. For 307 Oldsmobile Gasoline Engines: take off carburetor air cleaner first then drain radiator right away to prevent overheating,. Disconnect all hoses such as upper radiator hose/bypass hose/heater hose Then, you should disconnected other things like throttle linkage,vacuum lines and gas lines. Besides, brackets related to generator/air conditioning could have been removed if necessary. As for electrical leads , they are disconnected after which components like the EGR solenoid assembly and Idle Load Compensator (ILC) are taken out . Take off the EGR valve then unfasten and take out the intake manifold bolts . In conclusion, clean gasket surfaces well using a suitable sealer. After that install all these manifolds' gaskets again properly into position while tightening their bolts in specific order only. For 265 And 301 Pontiac Engines: It is not necessary to follow a specific torque sequence during this process. Remove EGA valves except in 301 Remove intake manifold bolts after removing distributor, Drain radiator/block and remove various hoses plus brackets etc,Then you can pull out the intake manifold fast enough after unbolting it from an engine block. After that lay down new gaskets accordingly on both its sides, followed by applying sealer on them and finally fix up such with their corresponding bolts tightly. For 263 And 350 Oldsmobile Diesel Engines: take out air cleaner as well as draining radiator immediately Do so by simply undoing some hoses , brackets or even components like fuel injection pump along with its lines, vacuum pump or oil pump drive assembly ,Remove also any other hardware including intake manifold bolts which when undone will lead to it coming out of the engine. Apply sealer, place gaskets and secure the manifold bolts ensuring that as well as reinstalling all removed components in reverse order.

Make sure the attaching bolts are torque-tightened to the specifications listed for V6. Disconnect the battery ground cable, drain the radiator, and remove the air cleaner. Disconnect the upper radiator hose and heater hose at the manifold, as well as the accelerator linkage at the carburetor, the linkage bracket at the manifold, and the cruise control chain if applicable. Disconnect the booster vacuum pipe at the manifold, the fuel line at the carburetor (plug the line and catch any spillage), the transmission vacuum modulator line if applicable, the idle stop solenoid if applicable, the distributor wires (mark each wire with pieces of tape for ease of reassembly), the temperature sending unit wire, and vacuum hoses from the distributor, TVS, and EFE valve pipe at the carburetor (mark hoses with pieces of tape for ease of reassembly), along with the coolant by-pass hose at the manifold. Remove the distributor cap, mark the rotor position, and remove the rotor to access the left intake manifold special six-lobed socket head bolt. Remove the six-lobed socket bolt with GM tool J-24394 or equivalent, then remove the accelerator linkage springs and compressor top bracket if applicable, followed by the remaining intake manifold bolts (there are 10). Lift the intake manifold, complete with carburetor, from the engine without prying on the mating edges to avoid damage. If replacing the intake manifold with a new one, transfer the carburetor and carburetor attaching bolts, temperature or oil sending unit, water outlet and thermostat (using a new gasket), EGR valve (using a new gasket), heater hose, and water pump hose adapter fittings, as well as the carburetor choke assembly. Before installing the manifold, cover the engine cavity with lint-free rags and clean the engine block cylinder heads and manifold gasket surfaces, ensuring all old gasket material and sealing compound are removed. Place the new intake manifold gasket and rubber manifold seal in position at the front and rear rails of the cylinder block, ensuring the pointed end of the seal fits snugly against the block and head, and apply RTV or equivalent sealant to the ends of the seals before installing. Install the one-piece manifold gasket and carefully set the manifold in place, locating it on the engine block dowel pins. Install the manifold-to-cylinder head attaching bolts, starting with the number 1 and number 2 bolts, gradually tightening these two until snug, then install the rest of the bolts in sequence and tighten them to the torque specifications. Connect or re-install the components in the reverse order of removal, reconnect the battery cable, close the drain plug, and refill the cooling system. Start the engine and check for leaks, adjusting the ignition timing and carburetor idle as necessary.

Connect or re-install the components in the reverse order of removal, reconnect the battery cable, close the drain plug, and refill the cooling system.

Disconnect the upper radiator hose and the heater hose from the intake manifold.

Disconnect all other hoses connected to the carburetor, identifying each hose with numbered tape to avoid confusion during reassembly.

Disconnect all other hoses connected to the carburetor, identifying each with numbered tape to avoid confusion during reassembly.

Start the engine and check for leaks, adjusting the ignition timing and carburetor idle as necessary.