Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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Note: Components depicted here correspond to cylinder bank 1. They are different only as a mirror image of components for cylinder bank 2. 1 – Connecting hose On vehicles with engine code BWF To crankcase ventilation valve Ensure seated tightly 2 – Sealing sleeve On vehicles with engine code BWF Replace if damaged Ensure seated tightly 3 – Bracket On vehicles with engine code BWF For intake hose between air filter and intake manifold flap 4 – Acoustic cover For vehicles with engine code BWF 5 – Cylinder head cover On vehicles with engine code BWF Always clean sealing surfaces of cylinder head cover with a clean cloth before setting in place Replace seal together with cylinder head cover if damaged or leaking Observe tightening sequence of bolts 6 – Acoustic cover For vehicles with engine code BKW 7 – Cylinder head cover For vehicles with engine code BKW Always clean sealing surfaces of cylinder head cover with a clean cloth before setting in place Replace seal together with cylinder head cover if damaged or leaking Observe tightening sequence of bolts 8 – 20 Nm Between control housing and cylinder head 9 – Cylinder head gasket Replace Install new seal of the same strength Imprint of replacement part numbers – A – must be readable After replacing replace entire amount of coolant 10 – Cylinder head Removing and installing 11 – Cylinder head bolt Replace Observe sequence for loosening and tightening head, removing and installing 12 – Sealing sleeve For vehicles with engine code BKW Replace if damaged Check for secure seating 13 – Connection piece For vehicles with engine code BKW To crankcase ventilation valve Check for secure seating Cylinder heads, removing and installing

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1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 3 in SIR. 2. Remove the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement. IMPORTANT: The abrasion sleeve located on the steering column wire harness assembly must be reinstalled. Make note of what connector is coming out of the abrasion sleeve for installation purposes. 3. Remove the wire harness assembly (1) from the wire harness strap (2). 4. Disconnect the turn signal and multifunction switch assembly connector from the SIR system coil connector. 5. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly out of the bulkhead connector (1). 6. Remove the 2 pan head tapping screws (1) and (3) from the turn signal and multifunction switch assembly (2). 7. Remove the turn signal and multifunction switch assembly (2) from the steering column tilt head assembly. Installation Procedure 1. Install the turn signal and multifunction switch assembly (2) onto the steering column tilt head assembly. NOTE: IMPORTANT: Be sure that the electrical contact of the turn signal and multifunction switch assembly (2) rests on the turn signal cancel cam assembly. 2. Screw the 2 pan head tapping screws (1) and (3) into the turn signal and multifunction assembly (2). Tighten Tighten the top pan head tapping screw (1) to 3 N.m (27 lb in). Tighten the side pan head tapping screw (3) to 7 N.m (62 lb in). Refer to Fastener Notice in Cautions and Notices.

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Models: 2004-2006 Buick Rainier 2001-2006 Cadillac Escalade Models 2001-2006 Chevrolet Avalanche, Blazer, Silverado, Suburban, Tahoe, TrailBlazer Models 2001-2006 GMC Envoy, Jimmy, Sierra, Yukon Models 2001-2004 Oldsmobile Bravada 2005-2006 Saab 9-7X Some vehicles may experience a gradual coolant loss over time. A very low percentage of cylinder head(s) manufactured with an embossed Castech logo may develop a porosity crack in a very specific area. Inspect the cylinder head assembly to determine if the casting was manufactured by Castech. This can be accomplished by inspecting for their casting logo located on top of the intake port, under the rocker arm support rail and in the spring deck cavity portion of the cylinder head. Important: If the cylinder head(s) are Not a Castech casting, follow normal diagnostic procedures in SI to determine the cause of the coolant loss. Refer to the following illustrations on how to identify Castech casting and/or the very specific areas of the cylinder head(s) for a coolant leak from porosity.

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vehicles equipped with the 2.0L SPI engine may exhibit a malfunction indicator lamp (MIL) illuminated and diagnostic trouble codes (DTCs) P0300 through P0304 stored in memory. The vehicle may also have a rough idle or reduced power condition, and/or may stall at an idle. This may be caused by sticking exhaust valves due to excessive carbon build-up. ACTION Check for faulty fuel injectors and ignition wires. One or more exhaust valves may be temporarily sticking due to carbon build-up between the valve stem and guide. If the diagnostic checks point to a sticking exhaust valve, the cylinder head assembly may need to be replaced with a new level cylinder head assembly with revised valve guides, revised exhaust valves will also need to be installed to help prevent carbon build-up. Refer to the following Service Procedure for details. SERVICE PROCEDURE

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SYMPTOM MIL is on, and DTC P1361 (TDC sensor intermittent interruption) or P1362 (TDC sensor no signal) is set, or the engine makes a rattling noise. PROBABLE CAUSE Excessive end play in the camshaft. CORRECTIVE ACTION Replace the cylinder head assembly. DIAGNOSIS Remove the valve cover. Check the camshaft for excessive end play. The maximum allowable amount of end play is 0.5 mm (0.02 inch)(see page 6-40 of the 2001–02 Civic Service Manual). • If the end play is more than 0.5 mm (0.02 inch), go to REPAIR PROCEDURE. • If the end play is less than 0.5 mm (0.02 inch), proceed with normal troubleshooting. REPAIR PROCEDURE 1. Remove the cylinder head (see page 6-30 of the 2001–02 Civic Service Manual), and discard it. 2. Inspect the TDC sensor and the timing belt covers for damage (see page 6-57 of the service manual). Replace any damaged parts. 3. Install the new cylinder head (see page 6-50 of the service manual). 4. Check the engine oil level; add oil if necessary.