Centinel System – Repair Manual – 011-025   EGR Connection Tubes

WARNING  The EGR connection tubes can be hot. To reduce the possibility of personal injury, allow the engine to cool before removing.

Loosen all hose clamps on the EGR connection tubes and remove the two p-clip mounting capscrews or nuts (depending on the vintage of the engine) on the front EGR connection tube.

If the M10 stud comes out upon removal of the nut, install the M10 stud into the block until the stud bottoms out.

Remove the one capscrew and one nut or the two nuts that attach the rear section of the connection tube to the cylinder block.

If the M10 stud comes out upon removal of the nut, install the M10 stud into the block until the stud bottoms out.

Remove the front EGR connection tube.

Remove the one capscrew and one nut that attach the rear section of the connection tube to the cylinder block.

Remove the rear EGR connection tube from the EGR cooler.

WARNING  The EGR connection tubes can be hot. To reduce the possibility of personal injury, allow the engine to cool before removing.

Loosen the hose clamps on the front EGR connection tube and remove the hose.

Remove the two retaining capscrews on the lower portion of the tube at the EGR valve housing outlet.

Remove the front EGR connection tube and hose.

Discard the hose.

Use protective caps from the Air Handling Clean Care Kit, Part Number 4919403 and Part Number 4919425, to cover the open points on all components.

Remove the three EGR venturi mounting capscrews.

Remove the EGR venturi.

Cover the irregular openings on the venturi and air intake connections with protective caps from the Air Handling Clean Care Kit, Part Number 4919403 and Part Number 4919425.

Remove the two rear EGR connection capscrews from the EGR cooler.

Loosen the hose clamp on the rear EGR connection tube.

Pull the EGR cooler outlet connection tube from the EGR cooler.

Use protective caps from the Air Handling Clean Care Kit, Part Number 4919403 and Part Number 4919425, to cover the open points on all components.