Category Archives: Axxess 1990 Service manual – O

Download Axxess 1990 Service manual –

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– **Safety Precautions** – **Work in a Well-Ventilated Area**: Ensure that the work area is free from fumes and has good airflow. click here for more details on the download manual…..


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– **Safety Precautions**
– **Work in a Well-Ventilated Area**: ensure that the work area is free from fumes and has good airflow.
– **Wear Protective Gear**: Use safety goggles, gloves, and a mask to protect against dust and harmful substances.
– **Disconnect the Battery**: To prevent any electrical accidents, disconnect the negative terminal of the battery before starting work.

– **Tools and Materials Needed**
– **Socket Set**: A comprehensive set of metric sockets to remove bolts and nuts.
– **Wrenches**: Both open-end and box-end wrenches for accessing hard-to-reach areas.
– **Torque Wrench**: To ensure bolts are tightened to the manufacturer’s specifications.
– **Screwdrivers**: Flathead and Phillips screwdrivers for various fasteners.
– **Pry Bar**: To help in the separation of components if they are stuck.
– **Gasket Scraper or Razor Blade**: For removing old gasket material from the manifold surface.
– **New Gasket**: ensure you have the correct exhaust manifold gasket for your Axxess model.
– **High-Temperature Silicone Sealant**: For added sealing if necessary.
– **Thread Sealant or Anti-Seize Compound**: To prevent rust and make future removal easier.
– **Clean Rags or Shop Towels**: For wiping surfaces and cleaning up spills.
– **Engine Degreaser**: To clean the manifold and surrounding areas before and after the repair.

– **Accessing the Exhaust Manifold**
– **Remove Engine Covers**: If applicable, take off any plastic or metal covers to access the engine compartment.
– **Disconnect Exhaust Components**: Detach any pipes or components connected to the exhaust manifold, ensuring to Note their arrangement for reinstallation.
– **Remove Intake Components (if necessary)**: Depending on engine layout, you may need to remove the intake manifold or other obstructing components.
– **Clear Any Obstructions**: Take out brackets, heat shields, or other parts that may obstruct access to the manifold.

– **Removing the Exhaust Manifold**
– **Loosen Bolts and Nuts**: Use a socket and wrench to carefully loosen and remove the bolts securing the exhaust manifold. Start with the outermost bolts and work inwards.
– **Check for Broken Bolts**: If any bolts are seized or broken, you may need to use a bolt extractor or drill them out.
– **Gently Remove the Manifold**: Once all bolts are removed, gently pull the manifold off the engine. If it’s stuck, use a pry bar carefully to avoid damaging the surface.

– **Cleaning the Surface**
– **Scrape Off Old Gasket Material**: Use a gasket scraper or razor blade to remove old gasket material from the manifold and cylinder head surfaces.
– **Clean the Area**: Use engine degreaserdownload Axxess workshop manual and clean rags to wipe down the surfaces, ensuring they are free of oil, dirt, and debris.

– **Inspecting the Manifold**
– **Check for Cracks or Damage**: Visually inspect the manifold for cracks, warping, or other signs of damage. If significant damage is found, consider replacing the manifold.
– **Examine Flanges**: ensure the flanges are flat and not warped. If they are, they may need to be machined flat.

– **Installing the New Gasket and Manifold**
– **Position the New Gasket**: Place the new gasket on the cylinder head, ensuring it aligns correctly with the bolt holes.
– **Reinstall the Exhaust Manifold**: Carefully place the manifold on the new gasket, ensuring it is seated properly.
– **Insert and Hand-Tighten Bolts**: Start by hand-tightening the bolts to hold the manifold in place, then follow up with a socket to snug them down.

– **Torqueing the Bolts**
– **Follow Manufacturer’s Specs**: Use a torque wrench to tighten the bolts to the specified torque setting in the vehicle’s service manual. Start from the center and work your way outwards in a crisscross pattern to ensure even pressure.

– **Reassembling Components**
– **Reinstall Exhaust and Intake Components**: Reattach any exhaust pipes and intake components that were removed earlier.
– **Reconnect Any Electrical Connectors**: ensure any electrical connections that were disconnected are reattached.
– **Replace Engine Covers**: Put back any covers that were removed to access the manifold.

– **Final Checks and Start-Up**
– **Reconnect the Battery**: Once everything is reassembled, reconnect the negative terminal of the battery.
– **Check for Leaks**: Before starting the engine, visually inspect for any loose connections, leaks, or issues.
– **Start the Engine**: Start the vehicle and let it idle for a few minutes. Check for any exhaust leaks and listen for unusual noises.
– **Test Drive**: Take the vehicle for a short drive to ensure everything is functioning properly and listen for any irregularities.

– **Cleanup**
– **Dispose of Old Gasket Material and Fluids**: Properly dispose of any waste material.
– **Clean the Work Area**: ensure the workspace is clean, and all tools are accounted for.

By following these detailed steps, you can successfully repair the exhaust manifold on an Axxess while ensuring safety and functionality.