Question about 2001 Chevrolet Blazer
This plug i refer to is on the top of the engine,0n the right side in the back.It has an o ring that seals it with a push and a twist which locks it down.It has two different vacume lines running through it.One to the air intake,and one to the valve cover.It backfires so hard it litterally blows it out and breaks the plastic lock down keepers.upon reinserting this part it will start all be it somewhat difficult and runs fine,smooth with no idle problems.Start up after it warms is fine,no backfire.
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Posted on Jan 02, 2017
I have the diagram you need. If you send me your email I will scan it off and send it to you. email@example.com
Posted on Sep 12, 2009
I have same problem, Chevy told me it was probably a seal affecting fuel air ratio and when warm seal expanded to stop air leak. I forget which seal but they also said to check plastic case around seal because it will warp and may also need to be replaced. It was located near top center of engine. Please let me know if you figure it out.
Posted on Sep 14, 2009
Tips for a great answer:
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- Remove engine oil pressure switch connector from switch.
- Remove sealing dart from the empty cavity at the rear of the connector.
- Pull terminal locking ring outward from front (switch) side of connector to gain access to terminal locking tabs.
- Install wire terminal/vent, p/n 05017800AA, in place of the removed sealing dart. Slide locking ring back into place.
- Attach the connector back on the oil pressure switch.
- Spot tape the wire/vent to follow the harness towards the top of the engine compartment.
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Jul 09, 2012 | Cars & Trucks
Fig. The location of the valve cover O-rings is shown here
Fig. The valve cover sealant application points
Fig. Location of the guide pins for the intake plenum-3.0L engine
Fig. Intake plenum-to-intake manifold mounting
Fig. The intake manifold bolt locations
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