OEM 2010 Buick LaCrosse Intake Manifold

2010 Buick LaCrosse Intake Manifold Parts Questions & Experts Answers

• Q: How to replace the intake manifold (LF1) on 2010 Buick LaCrosse?

  A: To remove the Intake Manifold (LF1), remove the Intake Manifold cover. Second, pull out and unplug the positive crankcase ventilation (PCV) tube from the Intake Manifold and right camshaft cover, together with the evaporative emission (EVAP) hose from Intake Manifold and evap coolent. Disengage the fuel pump cover bolt and its retainers and take out the fuel pump cover and the fuel line booster hose bracket. You'll eliminate mode brakes booster vacuum hose and any required electrical connections, then take out the engine coolant air bleed pipe. Then proceed to take off the Intake Manifold bolts and the Intake Manifold assembly; send the Intake Manifold Gasket to scraping if necessary. During installation, install a new Intake Manifold Gasket and install an Intake Manifold assembly . It is important to take care while the installation of Intake Manifold bolts, which need to be tightened following the defined sequence to 23 nm (17 lb ft) on first and second passes. Push back the intake convenience dresser, and fix the fuel pump picket tightness with its attached bung using the bolt for it at 10 nm (89 lb in). Unclamp and reinstall the evap hose onto the upper Intake Manifold and evap solenoid, and attach pcv tube assembly to the upper Intake Manifold and right camshaft cover. Last, fit the coolant hose and the Intake Manifold cover.