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1. Position diesel particulate filter assembly in vehicle. 2. Install DPF to exhaust manifold bolts. Do not tighten at this time. 3. Install muffler/tailpipe to DPF flange nuts. Tighten nut to 32 N.m. (24 ft. lbs.). 4. Tighten DPF to exhaust manifold bolts to 32 N.m (24 ft. lbs.) Tighten muffler/tailpipe to DPF flange nuts to 34 N.m (24 ft. lbs.). 5. Lower vehicle. 6. Using scan tool, under ENGINE MISC. FUNCTIONS, perform DIESEL PARTICULATE FILTER REPLACEMENT function. TURBOCHARGER DIAGNOSIS AND TESTING TURBOCHARGER-BOOST PRESSURE Low turbocharger boost pressure can cause poor engine performance and driveability concerns. The following Causes of low boost pressure include the following: Restricted air inlet system Leak in charge air cooler system Restricted/high pressure drop across charge air cooler Damaged turbocharger compressor wheel housing Turbocharger wastegate stuck open Excessive exhaust restriction Causes of excessively high boost pressure include: Turbocharger wastegate stuck closed Turbocharger wastegate signal line leaking or damaged Damaged wastegate command valve O-rings Wastegate command valve mechanically stuck in actuated position Several Diagnostic Trouble Codes (DTCs) can be set that will indicate high or low system boost levels. There is See DIAGNOSIS AND TESTING for diagnosing of low or high boost pressure due to leaks. 6 - ISOLATOR
2007 Dodge Nitro R/T 2007 ENGINE Exhaust System And Turbocharger - Nitro
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