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how to replace oil pump in 2001 gmc sierra 1500 4 8l

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2003 GMC Truck C 1500 P/U 2WD Engine Knocking or Lifter Noise

Engine Lubrication: All Technical Service Bulletins Engine – Knocking or Lifter Noise File In Section: 06 – Engine/Propulsion System Bulletin No.: 02-06-01-038 Date: December, 2002 TECHNICAL Subject: Engine Knock or Lifter Noise (Replace 0-Ring) Models: 2001-2002 Chevrolet Camaro 2001-2003 Chevrolet Corvette 2001-2002 Pontiac Firebird 2002-2003 Cadillac Escalade, Escalade EXT 2000-2003 Chevrolet Suburban, Tahoe 2001-2003 Chevrolet Silverado 2002-2003 Chevrolet Avalanche 2000-2003 GMC Yukon, Yukon XL 2001-2003 GMC Sierra with 4.8L, 5.3L, 5.7L or 6.0L V8 Engine (VINs V, T, Z, G, S, N, U – RPOs LR4, LM7, L59, LS1, LS6, LQ9, LQ4) Condition Some customers may comment on an engine tick noise. The distinguishing characteristic of this condition is that it likely will have been present since new, and is typically noticed within the first 161-322 km (100-200 mi). The noise may often be diagnosed as a collapsed lifter . Additionally, the noise may be present at cold start and appear to diminish and then return as the engine warms to operating temperature. This noise is different from other noises that may begin to occur at 3219-4828 km (2000-3000 mi). Cause The 0-ring seal between the oil pump screen and the oil pump may be cut, causing aeration of the oil. Correction

2001-2008 GM 1500/2500 Series Pick-Up Edelbrock Header Installation Manual

INSTALLATION INSTRUCTIONS DISASSEMBLY 1. Disconnect negative battery cable. 2. Unbolt exhaust pipes from manifolds. RIGHT SIDE 1. Disconnect and remove spark plug wires. 2. Unbolt and remove dipstick tube. 3. Unbolt and remove manifold from top. 4. Install flange gasket and header from top. Install header bolts, lock washers, and thick flat washers supplied. Note: Ensure proper alignment on slotted holes of port flange and only snug bolts at this time. 5. Re-install spark plug wires. 6. Re-install dipstick tube. 7. Some models may require the aluminum heat shield under the A/C receiver dryer to be re-positioned, adjusted or bent to gain some clearance between header and heat shield. LEFT SIDE 1. Disconnect and remove spark plug wires. 2. Unbolt and remove manifold. 3. Install flange gasket and header from top. Install header bolts, lock washers, and thick flat washers supplied, ensure proper alignment and only snug bolts at this time. IMPORTANT NOTE: Proper installation is the responsibility of the installer. Improper installation will void warranty and may result in poor performance and engine or vehicle damage.
©2007 Edelbrock Corporation Catalog #65022 & 65023 Page 2of 2 Brochure #63-0364 Rev. 8/07 – DA/mc Edelbrock Corporation, 2700 California St., Torrance, CA 90503 Tech Line: 1-800-416-8628 Office: 310-781-2222 Tech Fax: 310-972-2730 E-Mail: 2. Using supplied hardware, re-attach the factory exhaust pipes to the headers and tighten bolts evenly to ensure a tight seal. ( Note: The 7/16 x 2 bolts are to be used on 4.8L, 5.3L, & some 6.0L V8s. The 7/16 x 1 ¾ are for the left side of 4.8L & 5.3L V8s, and on the 6.0L V8 that do not have OEdonut gaskets. 3. After the factory exhaust pipes have been tightened to the collector flange of the header, tighten the port flange bolts to recommended factoryspecifications. FINAL INSPECTION 1. Check all lines (hydraulic, vacuum, air conditioning and fuel) to ensure there is adequate clearance to headers. 2. Re-connect battery. 3. At this point, it is a good idea to look everything over and make sure that nothing was missed in assembly. 4. Start vehicle and bring up to normal operating temperature. Check for possible leaks. 5. Turn engine off and let cool. Tighten all bolts again. Note: Thick washers are to be used on slotted holes of port flange. 4. Re-install spark plug wires. Note: Due to production tolerance, it may be necessary to bend the motor mount heat shield for better clearance. ASSEMBLY OF EXHAUST PIPE Note: Some 2007 model year vehicles will have a donut gasket on the right side OE exhaust manifold. If your vehicle has that donut gasket, it will be re-used with your shorty headers (see below). This system comes with 2 exhaust crush rings. On 2001- 2006 4.8L & 5.3L V8s, one will be used on the left side collector. On 2001-2006 6.0L vehicles will use one on the left side and one on the right side to replace factory-installed crush rings. 1. On 4.8L, 5.3L, &6.0L V8s with donut gasket – Remove the donut gasket from right side exhaust manifold. Using a pair of pliers, remove the retaining ring from the donut gasket and place the donut gasket in flare of factory exhaust pipe.

2001 HONDA Civic EX Replace the cylinder head assembly 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.
2 of 2 01-083 5. Do the Idle Learn Procedure: Make sure all electrical items (A/C, audio unit, defogger, lights, etc.) are turned off, then start the engine. Let the engine reach its normal operating temperature (the cooling fan cycle twice). Let the engine idle (throttle fully closed and with all electrical items off) for 10 minutes. 6. If you are working on a 2001 Civic 2-door EX, do the Cruise Control Learn Procedure. Drive the vehicle, and set the cruise control above 40 miles per hour. Continue driving the vehicle for 5 to 10 minutes. NOTE: You can use a smog/chassis dynamometer to do this step instead of driving the vehicle. Do not do this step with the vehicle on a lift.

4T65E Transmission 1-2 Shift Shudder at Light to Moderate Acceleration (Replace Complete Second Clutch Assembly)

2001-2004 Buick Regal 2001-2005 Buick Century, LeSabre 2002-2007 Buick Rendezvous 2005-2007 Buick Terraza, LaCrosse, Allure (Canada Only) 2006-2007 Buick Lucerne 2001-2005 Chevrolet Venture 2001-2007 Chevrolet Impala, Monte Carlo 2005-2007 Chevrolet Uplander 2006-2007 Chevrolet Malibu SS, Malibu Maxx SS 2001-2002 Oldsmobile Intrigue 2001-2003 Oldsmobile Aurora 2001-2004 Oldsmobile Silhouette 2001-2005 Pontiac Aztek, Bonneville, Montana 2001-2007 Pontiac Grand Prix 2005-2007 Pontiac Montana SV6 2006-2007 Pontiac G6 GTP 2005-2007 Saturn Relay with 4T65E Automatic Transmission this service kit contains: Second Clutch Housing Fluid Seal Rings (613), a Second Clutch Assembly (617), a Case Cover (Channel Plate) Upper Gasket (430), and a Case Cover (Channel Plate) Lower Gasket (429). In addition to the content of this service kit, four other gaskets not included in this service kit will also be needed to complete the repair, a Control Valve Body Cover (Side Cover) Gasket (54), a Control Valve Body Cover (Side Cover) Inner Gasket (59), a Case Cover Lower Gasket (429), and a Case Cover Upper Gasket (430). These gaskets can be obtained by ordering service kit P/Ns 24206959 and 24206391. Be sure to use ONLY the Second Clutch Assembly and Second Clutch Housing Fluid Seal Rings provided in this service kit. DISCARD the Second Clutch Assembly and Second Clutch Housing Fluid Seal Rings removed from the transmission being serviced. Disassemble ONLY the Oil Pump Assembly from the Case Cover (Complete). DO NOT disassemble the Control Valve Body from the Case Cover. Remove ONLY the Case Cover-to- Case bolts to remove the Case Cover and Valve Body from Transmission Case AS AN ASSEMBLY . To access all Case Cover-to-Case bolts, it is necessary to remove the Pressure Control Solenoid Valve Assembly (322), and 1-2 & 3-4 Shift Solenoid Valve Assemblies (315A, 315B).


WHEEL HUB, BEARING, AND SEAL REPLACEMENT (4WD) Tools Required J 45859 Axle Remover Removal Procedure 1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels. 3. Remove the rotor. Refer to Brake Rotor Replacement – Front in Disc Brakes. Fig. 62: View Of Retaining Bolts For Brake Hose And Wheel Speed Sensor Brackets Courtesy of GENERAL MOTORS CORP. 4. Remove the wheel speed sensor and brake hose mounting bracket bolt from the steering knuckle. 2004 Chevrolet Silverado 1500 2004 SUSPENSION Front Suspension – Sierra & Silverado Fig. 63: Removing The Wheel Drive Shaft Nut Retaining Cover (4WD) Courtesy of GENERAL MOTORS CORP. 5. Remove the wheel drive shaft nut retaining cover. IMPORTANT: Do not reuse the nut. A new nut must be used when installing the wheel drive shaft. Fig. 64: Removing Wheel Driveshaft Assembly Retaining Nut And Washer (4WD) Courtesy of GENERAL MOTORS CORP. 6. Remove the wheel driveshaft assembly retaining nut (2) and washer (3) from the wheel driveshaft. 7. Disengage the wheel drive shaft from the wheel hub and bearing using J 45859 or equivalent Fig. 65: Disengaging The Wheel Drive Shaft From The Wheel Hub And Bearing (4WD) Courtesy of GENERAL MOTORS CORP. 8. Remove the wheel hub and the 15-series bearing mounting bolts