1996 Mercedes-Benz E320 Service & Repair Manual Software

3.2L 6-CYL VINS [S,T] Article Text 1996 Mercedes-Benz E320 For 1 Copyright © 1998 Mitchell Repair Information Company, LLC Wednesday, December 01, 2010 01:59AM ARTICLE BEGINNING 1995-96 ENGINES Mercedes-Benz - 3.2L 6-Cylinder E320 * PLEASE READ THIS FIRST * NOTE: For repair procedures not covered in this article, see ENGINE OVERHAUL - GENERAL INFORMATION article in GENERAL INFORMATION section. ENGINE IDENTIFICATION The engine family designation is shown on the emission control information plate (attached to radiator crossmember). The first character identifies the model year ("S" for 1995, "T" for 1996) while the fourth and fifth characters identify the engine displacement. ENGINE IDENTIFICATION CODES TABLE Application & (1) Engine Engine Engine Size ID Code 1995 ................... 104.992 .......... SMB3.6VJGFFA 1996 ................... 104.995 .......... TMB3.6VJGFFA (1) - The engine identification number must be used when ordering replacement parts. ADJUSTMENTS VALVE CLEARANCE ADJUSTMENT Hydraulic valve lifters are used, and valve clearance adjustment is not necessary. REMOVAL & INSTALLATION FUEL PRESSURE RELEASE Disconnect fuel pump connector. Start engine. Allow engine to run until it stalls. Turn ignition off. Reconnect fuel pump connector. NOTE: For reassembly reference, label all electrical connectors, vacuum hoses and fuel lines before removal.

3.2L 6-CYL VINS [S,T] Article Text (p. 2) 1996 Mercedes-Benz E320For 1 Copyright © 1998 Mitchell Repair Informatio ENGINE Removal & Installation 1) Release fuel pressure. See FUEL PRESSURE RELEASE. Raise hood to vertical position and secure. Obtain radio anti-theft code. Remove small access panel located below right rear seat. Disconnect negative battery cable located behind access panel. 2) Remove engine undercover. Remove air cleaner assembly. Remove viscous fan assembly. Drain cooling system. Remove radiator. Attach a guard plate to A/C condenser. 3) Disconnect control module connectors located in right rear corner of engine compartment. Disconnect 3 electrical connectors located under Hot Film Engine Management Sequential Fuel Injection (HFM-SFI) engine control module connector. Disconnect cable and bracket located in engine compartment located outside driver's footwell area. 4) Remove windshield washer reservoir. Disconnect electrical connector located in left rear corner of engine compartment attached to fenderwell. 5) Disconnect power steering pump interference suppression ground connection located on left fenderwell near power steering pump. Disconnect A/C compressor electrical connector. 6) Disconnect generator wiring. Disconnect ground connection located at left rear bottom corner of engine (next to transmission). 7) Disconnect mass air sensor connector. Disconnect vacuum line at brake servo unit. Disconnect all other vacuum line connections as necessary. Disconnect fuel supply and return lines at fuel distributor. Disconnect accelerator cable assembly. 8) Remove power steering pump reservoir fluid. Disconnect power steering pump hydraulic lines at power steering pump. Placing wrench on tensioning pulley nut, swivel tensioning pulley clockwise. 9) Remove serpentine accessory drive belt. Slowly release tension at tensioning pulley. Disconnect coolant hose located at left rear corner of engine compartment. 10) Unbolt A/C compressor and set aside with A/C hoses attached to compressor. Disconnect exhaust system at exhaust manifold flange. Attach a hose to coolant drain located on right side of engine block, behind engine mount. Open coolant drain, and drain coolant from engine block. 11) Disconnect drive shaft from transmission. Remove 2 bolts attaching rear engine carrier to rear of transmission. Using a jack, support rear engine/transmission assembly. 12) Remove 4 bolts attaching rear engine support to vehicle chassis. Disconnect transmission shift rod. Disconnect front engine mounts from vehicle body. Remove cover located at top front of engine. Remove automatic transmission dipstick. 13) Attach hoist to lifting lugs of engine. Ensure all necessary electrical connections, hoses, linkages and vacuum lines are disconnected from engine and transmission. Remove engine and transmission as an assembly. To install, reverse removal procedure. Adjust all fluid levels.

3.2L 6-CYL VINS [S,T] Article Text (p. 3) 1996 Mercedes-Benz E320For 1 Copyright © 1998 Mitchell Repair Informatio Fig. 1: Identifying Hydraulic Line Bracket Bolts & Holders Courtesy of Mercedes-Benz of North America. Fig. 2: Identifying Starter Lockout Switch Connector Locking Element Courtesy of Mercedes-Benz of North America. INTAKE MANIFOLD NOTE: All models are equipped with a 2-piece variable resonance intake manifold.

3.2L 6-CYL VINS [S,T] Article Text (p. 4) 1996 Mercedes-Benz E320For 1 Copyright © 1998 Mitchell Repair Informatio Removal & Installation 1) Release fuel pressure. See FUEL PRESSURE RELEASE. With hood open, press locking lever on left hood hinge. Raise hood slightly until locking lever does not engage. Press locking lever on right hood hinge. Raise hood to vertical position. Ensure hood is secure in vertical position. 2) Disconnect negative battery terminal. Disconnect crankcase breather hoses. Disconnect vacuum line located on top rear of upper intake manifold. Disconnect resonance flap switchover valve electrical connector. See Fig. 3. 3) Remove bolts for upper intake manifold. Remove dipstick tube bracket. Loosen top hose clamps connecting lower intake manifold to upper intake manifold. Remove upper intake manifold. See Fig. 3. If necessary to remove lower intake manifold, go to next step. 4) Remove guide piece from fulcrum lever for throttle cable. Compress plastic clip in throttle cable bracket. Remove throttle cable. Disconnect transmission control cable. Disconnect EGR line. 5) Ensure all necessary electrical and vacuum line connections are disconnected from lower intake manifold assembly. Remove lower intake manifold attaching bolts. Remove lower intake manifold from engine. See Fig. 3. To install, reverse removal procedure. Fig. 3: Identifying Upper & Lower Intake Manifold Assemblies Courtesy of Mercedes-Benz of North America. EXHAUST MANIFOLD

3.2L 6-CYL VINS [S,T] Article Text (p. 5) 1996 Mercedes-Benz E320For 1 Copyright © 1998 Mitchell Repair Informatio Removal & Installation Disconnect negative battery cable. Remove exhaust pipe-to- manifold nuts. Disconnect exhaust support at transmission. Remove nuts attaching exhaust manifold to engine. Remove exhaust manifold. To install, reverse removal procedure. IGNITION COILS Removal & Installation Unclip cable duct at rear of engine. Remove center cover from valve cover. Remove guide rail. Remove ignition coil assemblies and spark plug wiring. See Fig. 4. To install, reverse removal procedure. Fig. 4: Removing & Installing Ignition Coils Courtesy of Mercedes-Benz of North America. CYLINDER HEAD Removal 1) Release fuel pressure. See FUEL PRESSURE RELEASE. With hood open, press locking lever on left hood hinge. Raise hood slightly until locking lever does not engage. Press locking lever on right hood hinge. Raise hood to vertical position. Ensure hood is secure in vertical position. 2) Disconnect negative battery terminal. Remove shield under vehicle covering engine. Drain coolant. Disconnect coolant and heater hoses at cylinder head. Position crankshaft so No. 1 cylinder is at TDC. Remove ignition coils. See IGNITION COILS. Remove valve cover.

1996 Mercedes-Benz E320 Service & Repair Manual Software

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