GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Engine 🢒 Engine Controls and Fuel - 2.8L, 3.0L, 3.2L, or 3.6L 🢒 Emission Hose Routing Diagram

Emission Hose Routing Diagram with LLT


Object Number: 1937985 Size: SH
(1)Positive Crankcase Ventilation (PCV) Hose
(2)Upper Intake Manifold Plenum
(3)Fresh Air Breather Hose
(4)Throttle Body Assembly
(5)Evaporative Emissions (EVAP) Canister Purge Solenoid Vacuum Supply Hose
(6)Evaporative Emissions (EVAP) Canister Purge Solenoid

Emission Hose Routing Diagram w/o LLT


Object Number: 1236317 Size: SH
(1)Positive Crankcase Ventilation (PCV) Hose to Cam Cover
(2)Upper Intake Manifold
(3)PCV Hose to Intake Manifold
(4)Throttle Body Assembly
(5)Evaporative Emissions (EVAP) Canister Purge Solenoid
(6)Emissions Hose to EVAP Canister