Question about 2005 Chevrolet TrailBlazer
I need to replace the valve cover gasket. What all do I need to remove in order to access the old gasket?
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Posted on Jan 02, 2017
The first step is to remove all the parts that are in the way of you being able to remove the valve covers. (Ex.: air intake, loose wires etc.) Then you will need to remove your valve covers (using basic tools) and be very careful to not let anything get on your lifters, which your valve covers protect. Once you have the valve covers off compare the new gaskets to make sure they are the right size. Then remove the old gasket and replace with the new one using a high temp gasket sealant (available at any auto parts store) to attach the gasket to the valve covers. Then tighten down snug and check for leaks after replaced.
Posted on May 06, 2009
SOURCE: vacuum leak
mine is doing the same, it's your pcv receptor on the manifold. that hard plastic cover is actually part of the intake itself, if it "came off" it would cut your intake in half. that seem seals the two halfs together. you gotta pull the whole intake off and replace it... or jimmy rig it.
Posted on May 16, 2009
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Disconnect the negative battery cable. Remove the accessory drive belt. Using a 9/16mm wrench, loosen the power steering pump bolts, then slide the pump forward. Do not remove the power steering pump. Remove the power steering pump braces.
Disconnect the spark plug wires. Using a 9/16 mm wrench, remove the valve cover bolts. Lift the valve cover to remove it. Using a flathead screwdriver, gently nudge and remove the old valve cover gasket.
Clean the gasket seating area using automotive engine cleaner and a clean cloth rag. Make sure that all debris is removed. Place the new gasket into place. Apply gasket sealant and place the valve cover back into place.
Tighten the bolts securing the cover into place using a torque wrench. Reconnect the spark plug wires. Reinstall the power steering pump braces. Place the power steering pump back into position. Using a 9/16 mm wrench tighten the bolts that secured it into place. Reinstall the accessory drive belt.
Ensure that the negative battery cable is disconnected. Locate and remove the accessory drive belt. Using a 9/16 mm wrench, disconnect the bolt attaching the alternator to the brace.
Remove the brace to gain access to the additional parts that will be removed. Disconnect and remove the spark plug wire harness. Using a 9/16 mm wrench, remove the bolts securing the valve cover. Lift up and remove the valve cover.
Use a flathead screwdriver to gently nudge the old valve cover gasket to remove it. Do not scratch the gasket seating area when removing the valve cover gasket. Make sure that all debris and particles are removed from the gasket seating area.
Place the new gasket in the gasket seating area. Using a torque wrench tighten the valve cover gasket bolts. Reinstall the spark plug wire harness. Put the alternator brace back into position and tighten the bolt that secures it into place.
Reinstall the accessory drive belt. Reconnect the negative battery cable. Add oil to the car and start the engine. Allow the engine to run idle for 10 to 15 minutes. Drive the car a short distance to check for leaks.
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