Repair And Fix it

The 2003 Buick Lesabre has a history of engine gasket failures. The intake manifold and oil pan gaskets are common replacement requirements that can cost you in excess of $700 to have repaired. Replacing the Positive Crankcase Ventilation Valve (PCV) can keep crankcase gases from building up in the engine and extend the life of the gaskets. The PCV valve is often overlooked as a maintenance item on this engine due to its location.

Instructions

1

Open the hood. Remove the oil filler cap. Remove the oil filler neck by twisting it counterclockwise until it releases. Remove the engine cover by lifting the front of it and pulling it towards you to release the rear mounting tap.

2

Locate the MAP sensor on the intake manifold towards the front of the engine. This sensor will have three wires- orange/black, light green, and grey. Lift the connector locking tab and remove the connector. Remove the MAP sensor by releasing the locking tabs with the screwdriver.

3

Remove the PCV valve cover under the MAP sensor by pressing a 5/8 -inch socket against it and twisting it counterclockwise a quarter turn. Remove the PCV valve and the O-ring. Wipe oil and debris from the mounting area.

4

Install the new PCV valve and O-ring by pressing it firmly into place. Install the PCV cover plate by pushing down on it with the socket and twisting it clockwise until it stops. Replace the seal on the MAP sensor if it is damaged. Install the map sensor slowly, taking care not to damage the mounting tabs. Snap the wiring connector into place.

5

Install the engine cover, making sure that the rear tab is inserted into the mounting bracket. Replace the seal on the oil filler neck if damaged. Install the oil filler neck. Install the oil filler cap.

There is no time like the present for replacing that ugly, faded and probably cracked dashboard in your Buick Park Avenue. The good news is that doing so is a fairly easy job. In fact, the only difficulty will involve removing the parts that are designed to prevent dashboard removal. You will need only a couple of tools to complete the job, and before you know it the interior of your Buick Park Avenue will be good as new.

Instructions

1

Remove the edges of the trim adjacent to doors and beneath the steering wheel. The trim is what keeps the dash in place and covers all of the wiring. Wedge the flat-head screwdriver under the trim that runs alongside the windshield by the doors and pop the dash loose. Remove these trim pieces and set them aside. Use a Phillips screwdriver to loosen any remaining mounting bolts securing the steering wheel trim.

2

Loosen the trim along the edges near the doors and under the steering wheel. Use a flat-head screwdriver to pry under the edges of the trim running down the side of the windshield near the doors and pop the trim loose. Slide the trim pieces out of the car and set aside. Use a Phillips-head screwdriver to remove the five to eight mounting bolts holding the steering wheel trim in place. Pull the trim down and discard it.

3

Grab the temperature control knobs with a pliers and give a sharp tug. Use the pliers to pry off the radio knobs as well. If you cant pry the knobs off, turn them counterclockwise, as occasionally the knobs screw into the dash.

The Buick Century is a mid-size car manufactured by the Buick division of General Motors. The 1993 model belongs to the fifth generation of the Century, produced from 1982 to 1996. The engine in a 1993 Buick Century may be a four-cylinder 2.2L engine or a six-cylinder 3.3L engine. Both of these engines use fuel injection, requiring a high-pressure fuel pump. The fuel pump in the 1993 Buick Century attaches to the fuel tank, which you must remove in order to replace the fuel pump.

Instructions

1

Loosen the filler cap of the fuel tank and raise the the vehicle on jack stands. Disconnect the electrical connector from the fuel pump and lower the vehicle. Start the engine and allow it to run until the engine stalls. Crank the engine for three seconds to consume any remaining fuel in the fuel lines.

2

Disconnect the cable for the negative battery terminal with a socket wrench. Raise the vehicle on jack stands and drain the fuel tank. Detach the electrical wiring from the fuel tank, including the ground wire under the body of the vehicle. Disconnect the fuel lines from the fuel tank. Support the fuel tank with a jack stand and remove the nuts on the fuel tanks retaining strap with a socket wrench. Lower the fuel tank with the jack stand and remove it from the vehicle.

3

Disconnect the fuel filter from the fuel pump by twisting it and pulling it off the fuel pump. Discard the fuel filter. Detach the electrical connector for the fuel sending unit and remove the fuel sending unit from the fuel tank. Pull the fuel pump from its mounting bracket on the fuel sending unit.

4

Install the new fuel pump onto the fuel sender assembly between the mounting bracket and the pulsator. Connect the electrical connector for the fuel sender assembly. Place the fuel filter into position on the fuel pump and push the fuel filter until it is fully seated.

5

Install the fuel sending unit onto the fuel tank and connect the fuel tank. Check the fuel system for leaks and connect the battery cable to the negative terminal of the battery with a socket wrench.

To protect their consumers, vehicle manufacturers will recall any vehicle model that puts a consumers safety at risk. Due to safety belt buckle problems, steering knuckle problems and possible electrical shorts, Buick has recalled several vehicles to correct problems in their late-model cars. Under recall, needed repairs are completed free of charge.

2009 Buick Lucerne

On June 4, 2010, General Motors Corporation started a recall to correct an electrical system malfunction in 1,365,070 2009 Buick Lucernes. Under the recall, a fuse is added to the cars control circuit harness to reduce the risk of a electrical short on the printed circuit board.

Because additional problems concerning the heated washer fluid modules (HWFS) were reported after the electrical problems were corrected, dealers are also permanently disabling and removing the HWFS. The degree of damage around the modules varied from vehicle to vehicle. Some modules experienced slight melting while others had extensive melting of the plastic around the HWFS fluid chamber. An insert is being will be attached to the owners manual to indicate that the feature has been disabled and removed from the vehicle.

Buick

866-608-8080

Recall ID 10V240000 - electrical system

2007 Buick Lacrosse

Dorman Products Inc. is recalling 979 steering knuckles used in certain 2007 Buick Lacrosse cars. The steering knuckle parts being recalled are Dorman part P/NOS. 697-902 and 697-903. Both parts were sold under Dormans "OE Solutions" brand name. Due to a design defect, the steering knuckle in the HUB area could break and result in a loss of steering control. Dorman will replace the defective parts free of charge and reimburse for all labor charges. The recall began on February 23, 2009. Dorman can be contacted directly.

Dorman

800-523-2492

Recall ID 09E005000 -Steering

2009 Buick Enclave

General Motors is recalling 207,210 Buick Enclaves due to possible safely belt buckle restrictions. When the second row seat is returned to an upright position, the side trim may block the safely belt buckle from completely springing upwards. Applying force to return the second row seat to an upward position may result in the red release button being partially pressed. When pressed, the seat occupants will not be properly restrained. Under the recall, dealers are adjusting the second row side trim shields. Any damaged safety belt buckles will be replaced free of charge. The safety recall began on August 18, 2010. Buick may be called directly for information.

Buick

866-608-8080

Recall ID 10V3750000 - Seat Belt

The Buick LeSabre originated in 1951, but was not placed into production until the 1959 model year. The 2001 Buick LeSabre was available in a base model, and an upgraded Limited model. The 2001 LeSabre was equipped with a 3.8-liter V6 engine, capable of producing up to 205-horsepower and 230-foot-pounds of torque. The taillight bulbs in the rear of the LeSabre are enclosed within the taillight housing, which is fastened through the inside of the trunk.

Instructions

1

Open the trunk of the LeSabre.

2

Remove the three plastic winged nuts from one side of the trunk, on the rear side of the taillight bulb assembly you are working on. You can use a pair of pliers to remove the winged nuts, if they are too tight to be removed by hand. Be careful not to snap the tabs off of the wing nuts with too much pressure. Peel the trunk liner off of the taillight studs and away from the taillight.

3

Pull the taillight assembly away from the rear of the LeSabre, and rest the assembly on the rear bumper. Remove the taillight from the housing by turning it counterclockwise in relation to its position on the car.

4

Pull the old taillight bulb out of the socket by hand. Insert a new taillight bulb using a paper towel or napkin around your hand. Do not touch the taillight bulb with your fingers directly.

5

Reinstall the taillight bulb back into the assembly, and turn it clockwise to lock it in position. Install the taillight assembly back into the rear of the car.

6

Push the trunk lining back onto the rear of the trunk, allowing the taillight assembly studs to go through the allotted holes. Install the plastic wing nuts onto the studs and tighten them by hand. No torque is needed to tighten the wing nuts.

7

Follow Steps 2 through 6 to change the taillight bulb on the opposite side of the bulb you just replaced.

The Buick Regal is a four door sedan. If your 1994 Buick Regal will not start, there are several things that you can look at before you get it towed into an auto-shop. The battery on your Buick Regal is the most important part of the starting process. If your battery is dead, the Buick Regal will not start properly. Car batteries can go out, but the primary cause is leaving the lights on in the car overnight.

Instructions

Regal Wont Crank

1

Get another car and jump the battery with jumper cables.

2

Allow the car to sit for about 5 minutes to charge the battery.

3

Take the jumper cables off of the battery after 5 minutes and then turn the car off.

4

Restart the car. If the car does not restart, replace the battery.

Regal Cranks

5

Check the fuel level to make sure the car has enough gas. The car cannot start without gasoline.

6

Ensure that there is no corrosion on the Regals spark plug.

7

Remove the timing belt cover on the Regals engine. Look over the timing belt and make sure that there are no cracks in the belt. Replace the belt if needed.

8

Turn Regals key to "On" and listen for the Regals fuel pump to pressurize. If you dont hear the fuel pump, you may need to replace it.

The 1995 Buick Century was available in Special, Custom and Limited editions, each equipped with front-wheel drive and an automatic transmission. Regardless of the type of Century you own, problems can occur during ownership such as overheating, power steering going out and issues with tires and brakes. You can troubleshoot your vehicle to find the problem and save you a lot of money.

Instructions

1

Open the hood of the car while the engine is running and listen for the sound of the fan(s) running. This is an indication of the engine overheating.

2

Turn the engine off and check the fluid level in your coolant. Wait until the car cools down as it is easy to burn yourself when checking fluid levels of a hot engine. If the coolant is low, refill to the "Full Hot" coolant line. If you notice the fluid leaking, this can indicate a possible leak in your radiator hoses, heater hoses, water pump or another part of the cooling system.

3

Remove the dipstick from the power steering compartment while the engine is off. The power steering compartment is located on the passenger side of the engine. Wipe the dipstick with a clean rag and reinsert. If the fluid level is below the "C" mark you may experience difficulty with the power steering. Add fluid and recheck to verify you have added the right amount.

4

Inspect your tires to see if there are any bulges, cracks or splits in the tire. Check the treadwear of your tires to determine if you need to replace them. Poor tire conditions can lead to flat tires. Also, the cord or fabric inside the tire should not be showing through the rubber.

5

Listen for a high-pitched sound while driving and whether it stops when you press on the brakes. This may be an indication that your brake pads are worn. Unless you are skilled in brake repair, take your car to a repair shop for inspection and possible brake replacement. It is a good idea to have your front and rear brakes checked at the same time.

An exhaust leak can be frustrating. While exhaust leaks are often difficult to identify, worn exhaust manifold gaskets are often the problem. Removing worn exhaust manifold gaskets and replacing them with new gaskets on a Buick LeSabre is a small, inexpensive project for a do-it-yourself mechanic. With a few tools and a bit of time, you can remove failing exhaust manifold gaskets and replace them with new gaskets to increase the performance of your Buick LeSabre.

Instructions

1

Allow the engine and exhaust manifold to completely cool.

2

Disconnect any tubing from the exhaust manifold.

3

Loosen and remove the exhaust manifold bolts. If the bolts are resistant, use a penetrating oil to loosen them.

4

Remove the exhaust manifold and gaskets from the engine. The exhaust manifold in a Buick LeSabre is typically secured with two studs and two nuts.

5

Clean the gasket areas on both the engine and exhaust manifold with a scraper and wire brush to remove any remaining material from the old gasket. A clean, smooth surface ensures proper installation of the new gaskets.

Every car manufactured, including the Buick Rendezvous, has specific paint coding attributed to it. Subsequently, once a vehicle is purchased, the owner has a reference for what tint the touch up paint should be to match the original color.

Identification

The paint codes for a Buick Rendezvous are found on the service parts identification sticker. For this particular vehicle, the sticker can be found either in the left rear storage compartment inside door or inside the glove box.

Features

The paint codes inscribed on the sticker normally begin with BC/CC, or basecoat/clearcoat, or a U for upper body color. This lettering is then followed by a four-digit number, such as 8555 for black or 8624 for Olympic white.

Considerations

Aftermarket touch up paint may have a different lettering prefix, such as WA, but the numbers that follow should match with the manufacturers numbers for a correct paint tint. Make sure to verify that the paint number does correlate with the specific year, make and model of the vehicle if there are any discrepancies.

The Park Avenue is a full-size sedan that was manufactured by the Buick division of General Motors from 1990 to 2005. The Park Avenue has a 6-cylinder 3.8-liter engine with sequential fuel injection. The oil pump of a late-model Buick Park Avenue is mounted to the engine under the front cover. The installation of the oil pump in this vehicle requires you to remove additional components to access the oil pump.

Instructions

1

Place a wooden plank on a floor jack as a cushion and support the engine with the floor jack. Disconnect the cable from the batterys negative terminal with a socket wrench to prevent the engine from starting accidentally.

2

Rotate the tensioner counterclockwise to remove the drive belts. Disconnect the tensioner assembly from the engine with a socket wrench. Remove the pulley and bracket for the drive belt idler.

3

Remove the axis mount bracket with a socket wrench if this is necessary to access the front cover for the engine. Remove the front cover and disconnect the mounting bolts for the oil filter adapter. Disconnect the oil filter adapter assembly, including the spring and pressure regulator valve. Discard the gasket for the oil filter.

4

Disconnect the mounting screws for the cover of the oil pump with a socket wrench. Remove the inner and outer gears from the oil pump housing.

5

Coat the gears for the oil pump with petroleum jelly and insert them into the oil pump housing. Pack the remaining space in the housing with petroleum jelly.

6

Fasten the oil pump cover and tighten its mounting screws to 97 inch-pounds with a torque wrench. Install the oil filter adapter assembly with a new gasket and tighten its mounting bolts to 11 foot-pounds. Attach the front engine cover and the tensioner assembly with a socket wrench. Connect the pulley and bracket for the drive belt idler if you removed it earlier. Attach the drive belts and the torque axis mount bracket.

7

Connect the negative battery cable with a socket wrench. Lower the floor jack supporting the engine. Fill the engine oil to the proper level if necessary and start the engine. Check and fix any oil leaks.

A catalytic converter can become clogged over time and need to be replaced. A clogged converter will cause a lot of back pressure in the engine, which results in poor fuel economy and loss of power to the engine. Your 1991 Buick will feel like its struggling when you need the power the most. The catalytic converter can be easily removed from the car, and the process only takes about 30 minutes.

Instructions

1

Park your Buick on a level surface and set the parking brake.

2

Place a wheel chock in front of one of the front tires.

3

Raise your Buick with an automobile jack and place a jack stand under the vehicles frame near a jack point for safety.

4

Remove the connecting bolts from the front end of the catalytic converter with the proper sized wrench and remove the bolts from the back end.

5

Remove the catalytic converter from the exhaust system.

The Buick division of General Motors has manufactured a variety of cars under the Century nameplate. The 1997 model is a mid-size sedan with an anti-lock braking system, or ABS. The brake control module, or BCM, controls the ABS in an emergency stop. The BCM detects when a wheel is rotating significantly more slowly than the others, which can occur when the wheel loses traction. The BMC then reduces the braking force to that wheel to prevent it from locking.

Instructions

1

Find the BCM on the left side of the steering column under the instrument panel. It is a small black box with an electrical wiring harness connected to it.

2

Squeeze the pressure tabs on the BCM together, then detach the BCM from its bracket.

3

Unplug the electrical wiring harness from the BCM, then remove the BCM from the vehicle.

4

Plug the electrical wiring harness into the new BCM. The electrical connector will make an audible click when the harness is securely fastened to the BCM.

5

Install the BCM to its bracket. The pressure tabs will make an audible click when the BCM is securely fastened to the bracket.