98 buick regal gs evap leak

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DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected

Filed Under (Other Manuals) by admin on 17-01-2014

Download DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected Refer to Engine Controls Routing Diagram, EVAP Control System Overview . System Description This DTC tests the evaporative emission (EVAP) system for a small leak. The control module monitors the fuel tank pressure (FTP) sensor signal to determine the vacuum decay rate. At an appropriate time, the control module turns the EVAP canister purge valve ON and the EVAP vent valve ON. This allows the engine to draw a vacuum on the EVAP system. At a calibrated time, or vacuum level, the control module turns the EVAP canister purge valve OFF, sealing the system, and monitors the FTP sensor input in order to determine the EVAP system vacuum decay. If the control module detects a leak larger than a calibrated amount, this DTC sets. The following table illustrates the relationship between the ON and OFF states, and the Open or Closed states of the EVAP canister purge and vent valves.… Read More

1998 Buick Park Avenue Engine Coolant Consumption or Coolant Leak

Filed Under (Buick) by admin on 20-01-2014

Download Engine Coolant Consumption or Coolant Leak (Inspect For Material Degradation/Replace Intake Manifolds) Models: 1995-1997 Buick Riviera 1995-1999 Buick LeSabre, Park Avenue 1996-1999 Buick Regal 1998-1999 Chevrolet Lumina, Monte Carlo 1995-1996 Oldsmobile Ninety-Eight 1995-1999 Oldsmobile Eighty-Eight 1998-1999 Oldsmobile Intrigue 1995-1999 Pontiac Bonneville 1997-1999 Pontiac Grand Prix with 3.8L Engine (VIN K — RPO L36) Condition Some customers may comment on excessive engine coolant consumption, or an engine coolant leak near or under the throttle body area of the upper intake manifold. Cause Upper intake manifold composite material may degrade around the EGR stove pipe and could result in an internal or external coolant leak. Correction 1. Follow the upper intake manifold removal instructions found in the Engine Unit Repair Section of the Service Information Manual. 2. Refer to the arrow in the illustration of the upper intake manifold above. Inspect the inner diameter of the EGR passage for signs of material degradation.… Read More

1997-1999 Buick Century/Regal 99-2001 AW-200GM INSTALLATION INSTRUCTIONS

Filed Under (Buick) by admin on 05-01-2014

Download BUICK Century 1997-99 LeSabre 1995-99 1 Park Avenue 1995-99 Regal 1995-99 Riviera 1996-99 Roadmaster 1995-96 Skylark 1996-98 CHEVROLET Impala 2000 Venture 2000 OLDSMOBILE Achieva 1996-98 Aurora 1995-99 Bravada 1998-99 Cutlass 1998-99 Cutlass Supreme 1995-97 Eighty-Eight 1994-99 Intrigue 1998-99 LSS 1996-99 Ninety-Eight 1994-96 Regency 1997-98 Silhouette 2000 PONTIAC Montana 2000 Sunfire 2000. BUICK LeSabre / Park Avenue 1995-99 Disconnect the negative battery terminal to prevent an accidental short circuit. Remove the plastic trim piece to the left of the glove box and (1) Phillips screw exposed. Unsnap the top edge of the knee bolster panel. Remove (1) Phillips screw from the panel. Remove the ashtray cluster and (2) Phillips screws from each side. Unclip the entire dash trim bezel and remove. Remove (3) 9/32″ hex-head screws securing the factory head unit and disconnect the wiring. Skip to the Installation Instructions for ALL VEHICLES on Page #6. CHEVROLET Impala 2000 Disconnect the negative battery terminal to prevent an accidental short circuit.… Read More

Test Guidelines for Use of Essential Tool J 41413-200 Evaporative System Tester

Filed Under (Other Manuals) by admin on 08-04-2014

Download Models: 2002 and Prior Passenger Cars and Light Duty Trucks with Non-Enhanced and Enhanced EVAP Systems. Non-Enhanced EVAP System Diagnostic Procedure 1. Pinch off or plug the EVAP vapor line to seal the EVAP system. 2. Connect the EEST red battery clip to the positive (+) battery terminal. Connect the black battery clip to chassis ground. 3. Install the appropriate fuel fill cap adapter to the fuel fill pipe. Refer to the Service Information for the appropriate fuel fill cap adapter part number. 4. Connect the EEST’s nitrogen/smoke supply hose and vehicle fuel fill cap to the adapter. 5. Turn the nitrogen/smoke valve on the EEST control panel to SMOKE. 6. Use the remote switch to introduce smoke into the EVAP system for 60 seconds. Important: Additional smoke may need to be introduced at 15-second intervals until the leak source has been located. 7. Inspect the entire EVAP system for exiting smoke using the high intensity white light (J 41413-SPT).… Read More

2001 Buick Regal Power Steering Pump Replacement

Filed Under (Buick) by admin on 01-01-2014

Download 2001 Buick Regal V6-3.8L VIN K Vehicle Level Steering and Suspension Steering Power Steering Pump Service and Repair Power Steering Pump Replacement. Removal Procedure 1. Place a drain pan under the vehicle. 2. Remove the accessory drive belt. Refer to Drive Belt Replacement in Engine. 3. Raise and support the vehicle. Refer to Vehicle Lifting . 4. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation. 5. Remove the power steering pressure hose from the power steering pump. Refer to Power Steering Pressure Hose Replacement. 6. Remove the power steering return hose from the power steering pump. Refer to Power Steering Return Hose Replacement. 7. Remove the power steering mounting bolts from the power steering pump. 8. Remove the power steering pump. 9. Remove the power steering pump reservoir from the power steering pump. 10. Transfer the power steering pump pulley. Refer to Power Steering Pulley Replacement Installation Procedure 1.… Read More

Buick Regal Cold Air Induction System Installation Manual

Filed Under (Buick) by admin on 17-02-2014

Download Thrasher Engineered Performance – Cold Air Induction Kit for 97 and newer Pontiac Grand Prix, Buick Regal and Chevrolet Monte Carlo. Follow steps 1-16 below for 97-98 model year vehicles. The procedure for 99-newer model year vehicles is currently under development. Step 1 (97-98) Remove the (3) 13mm bolts holding the fender – radiator support brace. This step is not pictured. Step 2 (97-98) Loosen the wing nut on the large clamp securing the ribbed duct, and remove the duct from the plastic air box outlet as shown. Step 3 (97-98) Remove the IAT (Intake Air Temp) sensor from the rubber duct. Save for reinstallation on your replacement duct. Step 4 (97-98) Pull the duct from the throttle body. This requires a lot of force, pull hard. When removed, the duct will be as pictured. Step 5 (97-98) Release the air box clamps and remove the cover, plastic outlet and filter element.… Read More

2000 Buick Regal Oil Pan Replacement

Filed Under (Buick) by admin on 02-01-2014

Download Tools Required z J 28467-90A Engine Support Adapters z J 28467-B Universal Engine Support Fixture z J 36462-A Engine Support Adapter Leg Set 1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical. 2. Carefully disconnect the throttle body air inlet duct. 3. Remove the engine mount struts from the engine. Refer to Engine Mount Strut Replacement . 4. Remove the drive belt. Refer to Drive Belt Replacement . 5. Install the J 28467-90A , the J 28467-B and the J 36462-A . Do not raise the engine. Refer to Engine Support Fixture . 6. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 7. Disconnect the three-way catalytic converter pipe from the right exhaust manifold. Refer to Catalytic Converter Replacement in Engine Exhaust. 8. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.… Read More

1988-1992 Buick Regal Radio Replacement

Filed Under (Buick) by admin on 31-12-2013

Download The original radio installed in the dash from General Motors is really a display unit only. This display unit is connected via wires to the actual radio (in this type of design, the actual radio is also commonly called the “brain”) which is located down in the lower dash, hidden below the glove box in front of the passengers seat. The power and speaker wires needed to install the new replacement radio are also located with this hidden “brain”. But, the new radio will be installed in the center console approximately 2-3 feet away from the hidden radio “brain”. 1) The Install Doctor STRONGLY recommends using a snap on wire harness adapter for this install. Since the location for the replacement radio is 2-3 feet from the hidden brain it will be necessary to add 2-3 feet of wire onto each wire of the snap on wire harness to adjust the difference.… Read More

1997 BUICK REGAL RADIO REMOVAL AND IN-DASH INSTALLATION

Filed Under (Buick) by admin on 09-12-2013

Download Note: the factory radio provision is for a gm oversize radio chassis. An installation kit is recommended for aftermarket installations. We recommend the use of a scosche gm1580 kit for normal installations of din or shaft radios, or gm1590 kit for custom installations of japanese double din iso or 2 stacked din iso radios. 1. Unsnap gear selector trim bezel, unplug and remove the bezel. Extract (2) 10 mm bolts from metal console bracket. 2. Open armrest storage, lift up rubber mat and extract (2) 10 mm bolts from underneath. 3. Extract (2) 10 mm bolts from the front sides of the console, concealed up under the dash. 4. Slide shifter back into low gear, push down on spring- loaded shifter trim and pull complete center console to rear of the vehicle, allowing the center lower dash section (attached) to unsnap from the dash. 5. Extract (1) screw from bottom lower dash panel at right of glove box.… Read More

2004 Chevrolet Chevy Suburban Gradual Coolant Loss Over Time with No Evidence of Leak Found

Filed Under (Chevrolet (Chevy)) by admin on 31-12-2013

Download 2004 Chevrolet Chevy Suburban – 4WD | Avalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) Service Manual. Information on Gradual Coolant Loss Over Time with No Evidence of Leak Found. 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 with 4.8L or 5.3L VORTECĀ® GEN III, GEN IV V8 Engine (VINs V, T, M, B, Z – – RPOs LR4, LM7, LH6, L33, L59) 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.… Read More

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