Intake Manifold Cleaning Maintenance Guide 1999 Volkswagen Jetta
Intake Manifold Cleaning Maintenance Guide 1999 Volkswagen Jetta
Note the location of the items listed: Fresh air intake from your air filter. CCV unit B. EGR valve C. Anti shudder valve D. Air supply from intercooler E. Intake manifold, Disconnect the hose leading from the CCV to the fresh air intake. There is a small lip that seals it so pull hard, Remove the 2 metal clamps that hold the rubber hose from the Intercooler pipe to the EGR.
Do not get excited and start scraping at crud out of the EGR at this time. If you loosen the crud now it may easily fall down the intake manifold and into a cylinder. Remove two #5 cap screws that attach the thing (I don’t have my manual yet, and am unsure of this units function) shown in the photo from the intake manifold. Pull the vacuum line off of the EGR.
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