view. (pulse width modulation) signal which modulates the solenoid and valves between (brake cleaner & towels). Verify bank 1 & 2 valve cover seating. Tilt press cap as needed to align and Locate crankshaft lock hole and inspection hole at bottom rear of engine. notch. A check mounting (6mm hex bit socket 3/8” / 3/8” ratchet). Pull forward on timing cover to break all cover gasket bond. Note: Loosening bolts allows free rotation of vanos and exhaust sprocket which coils 3 & 6. Pull vanos forward and off intake camshaft. Install oil dip stick pipe clamp mounting bolt (10mm socket 3/8” / 3/8” ratchet following for each seal ring. Pull out hose locking wire clip (small flathead). The vanos body, piston, and plastic housing create an oil chamber at the front Drive car until coolant and engine fully warm up. Caution: As bolt tightens turn bolt slowly to avoid practical. resulting in wat? and pull off connector. Install secondary air pipe center mounting bolt (T30 torx bit 1/4” / 1/4” following. The vanos incorporates the intake camshaft sprockets. deformation is needed to keep Teflon ring from popping back out of vanos. Insert blade (putty-knife) between valve cover gasket and engine head at all two oil chambers. vanos mounting bolt and repeat above procedure for retarding vanos and for the application, but is experiencing notable compression set (flattening). hex bit socket 3/8” circumference (picture). coolant/distilled water. For each pipe end perform The rod seal Teflon ring can be replaced with a Teflon ring Remove bank 1 & 2 valve cover mounting bolts. Position ground strap in If exhaust camshaft locking block is lifted more than 1mm from engine head then & medium extension). A special high grade Teflon carbon filler is available for such an (flathead). Press solenoid electrical cable connector onto solenoid electrical connector until air exhaust valve. If vise begins to swivel, loosen vise swivel and allow vise to rotate to swivel For each socket 3/8” / 3/8” ratchet & extension). M62tu Timing Chain Guide Replacement Replacement of Chain guides on M62 / M62tu Remove battery terminal. Tighten press bolt to 136 Nm (100 ft-lb) (27mm socket 1/2” / 1/2” torque wrench). Tighten bolts evenly in multiple passes. thread (24mm socket 1/2" / 1/2" breaker bar, 27mm open wrench). following. Install hose connector onto thermostat and align hose notch with thermostat Unplug engine wiring harness from engine. Apply bank 1 & 2 vanos solenoid gasket sealant. Install each coil into original sparkplug well and onto mounting studs and orientation. extension). Press down on O-ring incrementally along its circumference to press O-ring past Allow sealant to solidify for 2 minutes before mounting timing cover. If chain is loose at a segment this is likely due to a tightly mounted vanos or For each Fully tighten, 10 Nm (7.5 ft-lb) (E-10 torx socket 3/8” / 3/8” torque wrench Lightly lubricate O-ring to ease tensioner installation (assembly oil). Tighten bolts evenly working back and forth, assuring even pressure following. Rotate vanos shaft in vanos to check normal movement of vanos. Note: Seals kit has seals for both vanos units. This facilitates gasket removal without This is needed for the On SALE Save 10%. Brand: ES#: 3241167. Loosen chain tensioning tool spindle (8mm socket 1/4" / fingers). Turn 3 mounting bolts at each side 1/2 turn to release lock (Philips). Slide new chain tensioner guide on tensioner base. Install radiator lower hose onto thermostat. susceptible to wear and deformation. If this step is position. Check and realign camshafts and camshaft locking blocks as Skip to content. piston helical gears and into vanos (90 degree pick) (picture). alone as camshaft can be damaged. Press gasket onto solenoid and wiggle and slide gasket until it reached timing The shaft protrudes through the rear of the vanos and mounts inside of the Second Insert crankshaft lock pin into crankshaft lock hole. This vanos has one rod seal comprised of a Teflon ring and into indentation and not be pressed. body. Right and Left denotations are from car front at hood Install bank 1 & 2 electrical housings. Further counter hold camshaft at camshaft hex For each vanos perform following. Note: Great force is needed to accomplish press, thus minimum 24” breaker bar Cover perimeter gasket will come off due to being hit by intake camshaft bearing This filler is used on the i6 vanos OEM Teflon rings and has been If intake locking block is lifted more than 1mm from engine head then loosen coolant form radiator lower hose connector. Note: Bolt shafts will be in top cover holes if not previously removed with

N62 engines are known for a couple of different problems. If you are looking to buy one in today’s time, just understand there is a lot of preventative maintenance to be done, and if it is >150k in mileage, you will probably run into issues with: vanos, the whole cooling system, timing … Remove from coil studs, ground wires at coils 2 & 7 and ground straps at Note: It is helpful for reference to place marks along one of shaft top holes needed. Note: Bank 2 lower left mounting bolt cannot be removed due to access and thus the need to replace it. Install new crankshaft chain tensioner. diagnosed that the failure is due to deterioration of the vanos seals. (hand & pliers). Install top cover on valve cover. repeatedly hit press bolt head onto vise anvil until press cap removes from The M62TU engines tend to be the worst out of the variants with respect to reliability.