EGR Hose - Has a Hidden Orifice
Group: FUEL SYSTEMNumber: 99-30-003
Date: SEPTEMBER, 1999
Model: 1999 SONATA 2.4L
Subject
1999 SONATA 2.4L EGR HOSE WITH BUILT-IN ORIFICE
DESCRIPTION:
The purpose of this TSB is to provide additional information regarding the EGR system not provided in the Shop Manual.
The EGR system in the 1999 Sonata 2.4L has a hidden orifice in a short gray vacuum hose (about 3 inches long) located between the Vacuum Control Valve and the black plastic vacuum T-Connector (see picture below).
PARTS INFORMATION:
Part Number Description Qty.
28370-38000 Jet Vacuum Hose (Orifice) 1
17905-39999 Hose (20 feet) 1
See pictures included in this TSB.
WARRANTY INFORMATION:
Normal warranty operation codes and times apply.
Using the above two parts, recreate the short hose with the orifice inserted in the middle.
NOTE: The larger end of the orifice must be oriented towards the Vacuum Control Valve and the smaller end toward the T-Connector.