Question 1

How to service and repair the valve guide seal, replace the valve stem oil seal, and valve spring on Chevrolet Colorado?

Accepted Answer

Begin working on the Valve Stem Oil Seal repair by supporting and raising the vehicle properly. Insert the keeping tool en 46547 into the Flywheel teeth first before placing the car down on stands. Take away both camshafts and spark plugs first. Set the j-44228-a base plate over the Spark Plug hole of the chosen cylinder and insert the j 39313 tool into the Spark Plug space. Maintain constant air pressure on the valve spring compressor j-44228-a device to keep the valve locked in position. Hold the j-44228-a arm and swivel nut onto the suitable valve stud while keeping in mind the powerful compression forces of the valve springs. Twist the swivel nut only until you reach the valve lock system. Then you can reach in with a magnet to remove the valve locks. Finish the procedure by taking off the valve spring retainer and spring after moving the swivel nut and swing arm. Apply the j 38820 tool to grasp and extract the old Valve Stem Oil Seal through a turning and pulling movement. Oil the valve stem and inlet of the new seal with engine oil before inserting the new Valve Stem Oil Seal into the j 38820 tool and pushing it into place with twisting pressure. Set the valve assembly in its correct position through the valve locks and j 43059 into the valve retainer installer. Do the same operation on any other valve in the cylinder after removing the swivel nut and arm assembly of j-44228-a. Service all valves before releasing the air pressure to take out the j 39313 and then remove the base plate of the j-44228-a. Complete the procedure by putting back the spark plugs and camshafts then lifting the car up. Take out the en 46547 from the Flywheel and install its service plug before lowering the vehicle.

Question 2

How to service and repair the Rocker Shaft Spring Kit and replace the Valve Stem Oil Seal on Chevrolet Tahoe?

Accepted Answer

To repair valve stem components you should first remove the valve rocker arms and spark plugs in the Cylinder Head. You must put the Spark Plug port adapter (J22794) into the Spark Plug hole and seal the valves with compressed air. Start with the valve spring compressor tool j5892-d and add a valve Rocker Arm m8 bolt plus washer to squeeze the valve spring. After that you can switch to the valve spring compressor j38606. Disengage the valve stem keys afterward depress the valve spring pressure then take off both valve spring compressors (J38606) valve spring cap valve spring and valve stem oil seal. In addition you should take out these extra valve spring shims when needed. Start the engine repair by placing the valve spring shim kit if present before adding the valve stem oil seal to the valve guide. Ensure that the seal aligns correctly to block oil leaks. Add engine oil to the valve guide and stem oil seal before attaching the seal to the stem and letting it reach the valve guide. The valve stem oil seal installer tool j42073 must push or gently tap onto the valve spring shim or spring seat to install the valve stem oil seal. After putting in the valve spring components put the valve spring compressor tool over the valve spring to pressurize it again or use valve spring compressor (J38606). Apply grease to hold valve keys steady and low-pressure the valve spring to secure the valve keys in position. Take out both the valve spring compressor j5892-d and Spark Plug port adapter j22794 before inserting spark plugs and returning the valve rocker arms to their proper position.

Question 3

What tools are required to service and repair the valve guide seal, replace the valve stem oil seal, and valve spring on Chevrolet Malibu?

Accepted Answer

The job of replacing Valve Stem Oil Seal while installing both valve spring compressor (J 43649) and Valve Stem Oil Seal remover (J 36017). First you must remove the Camshaft and Camshaft roller followers before inserting the valve spring compressor (J 43649) into the cylinder head. Filter compressed air through the Spark Plug opening until the cylinder reaches 690 kpa (100 psi). Use the pressure tool to press down the valve spring before taking off its retainers and spring. You should utilize the Valve Stem Oil Seal remover tool j 36017 to uninstall the valve seal. After sealing the valve with the specified tool (J 36017) you can set the new valve spring into position. Reinsert the valve spring while holding its compression and add both valve spring keepers. First put back the spark plugs, then Camshaft followers, and lastly the Camshaft after detaching both the valve spring compressor and air hose adaptor from its Spark Plug hole position.

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