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The fuel pump switch is also known as the inertia switch, a device that prevents fuel from going to the engine if your 1991 Ford Explorer happens to get into a collision. It also enables the fuel pressure to be relieved.

Location

The inertia switch can be found mounted on the floor pan on the passenger side inside your Explorer; look below the heater unit. It will have an electrical connector attached to it.

Servicing the Fuel System

Disconnect the electrical connector that is attached to the inertia switch when performing a task such as relieving the fuel pressure on your Ford Explorer. Whenever youve finished servicing the fuel system, reattach the electrical connector to the switch. You do not need any tool for removing and attaching the connector.

Reset Button

The inertia switch also has a reset button at the top to use in the event the switch was activated during a procedure like relieving the fuel pressure, which would create a popping-like sound. Simply push the button to reset the switch if this occurs.

Most vehicles today have multiple fan speeds for the heat and A/C. These speeds are controlled by a blower motor resistor. The blower motor resistor is a small electrical device that controls the voltage to the fan motor. If the resistor becomes defective, you may only have one working speed on your fan control. If this problem occurs, the blower motor resistor will need to be replaced. It s a fairly inexpensive part and is available at most car part stores.

Instructions

1

Locate the heater blower resistor in your vehicle. It is typically mounted under the dash near the blower motor. You may need to check your vehicles repair guide, or your car dealership to help determine the resistors location. Parts of the dash may need to be removed depending on resistor location.

2

Remove the wire connector from the blower motor resistor by lifting the tab on the connector and gently pulling the connector off the resistor. This may require working the connector back and forth a few times to free it from the resistor.

3

Remove the two screws holding the resistor in place. These may be screws or small bolts depending on your vehicle. The resistor should now be able to be removed.

4

Position the new resistor in place, and secure it with the two screws. Reconnect the wire connector by firmly pressing it onto the resistor. Replace and dash parts that were previously removed.

Nothing can be more frustrating than a broken-off bolt on your vehicles exhaust manifold. Not only is this putting stress on the rest of the attaching bolts for the manifold and the manifold itself, dangerous carbon monoxide could be escaping from the manifold and working its way into the passenger compartment. It is very important that you correct a broken exhaust manifold bolt from a mechanical as well as a safety standpoint.

Instructions

1

Use penetrating fluid on all of the exhaust manifold bolts, including the broken one. Let the penetrating fluid work in for several hours.

2

Loosen the remaining exhaust manifold bolts. Give the bolts another dose of penetrating fluid if one or more bolts still will not budge. Allow the fluid to soak in for an hour or so. Apply some heat with a propane torch if you still have any stuck bolts. Concentrate the heat onto the center of the stubborn bolt until it is red hot. Allow the bolt to cool then loosen and remove it.

3

Remove the exhaust manifold to reach the broken bolt. Try using vise grips or an easy-out tool to twist the bolt out if part of the bolt is protruding from the engine block. Drill the bolt out if it is broken off flush with the engine block. Use a drill bit the same diameter as one of the exhaust manifold bolts without the threads.

4

Run a tap into the hole that is the same size as the exhaust manifold bolts to clean out any remaining remnants of the broken piece. Tap the remaining manifold bolt holes while you are at it to ensure the bolts will thread back in smoothly.

5

Replace the broken bolt with one of the same size and strength as the original. Take one of the good bolts to an auto parts or hardware store to make sure you get the correct replacement. Clean up the rust on the threads of the original bolts that you are going to reuse. Use a wire brush or a wire wheel installed on a bench grinder for this task.

6

Scrape off any remaining gasket material from the engine block and the exhaust manifold mounting surfaces with a gasket scraper or a putty knife. Install a new exhaust manifold gasket between the exhaust manifold and the engine block. Run in the manifold bolts finger tight. Tighten the bolts with a torque wrench. Find the torque specifications for your specific model in a shop manual or from your car dealers service department.

7

Start your vehicle and check for exhaust leaks.

A tire changing machine can help you mount and dismount car tires from wheels. There are several different types of tire changing machines available, including one designed to change the tires of motorcycle wheels and one that is designed to change heavy duty tires such as those found on big rig 16-wheel cargo trucks and off-road farming equipment. Most tire changing machines also include auxiliary systems that allow you to inflate new tires, preparing them for use on the road.

Instructions

1

Remove the core of the wheels valve with a valve core remover.

2

Wedge the bead breaking blade between the inside of the tire and the rim of the wheel, and then set the blade into position.

3

Press the bead breaker pedal of the tire machine with your foot to break the bead, i.e., the edge of the tire that sits on the wheel.

4

Place the wheel on top of the clamps, while ensuring that the clamps are set in the outer configuration. Press the wheel clamp jaw pedal with your foot.

5

Move the mount/demount head onto the rim of the wheel, and then pull the vertical bar lock lever.

6

Insert a tire iron between the inside of the tire and the dismount head, and then use it to pull the inside of the tire over the dismount head.

7

Press the rotation pedal with your foot, and then lift the tire to dismount the backside.

8

Pull the backside of the tire over the dismount head with the tire iron. Press the rotation pedal with your foot.

9

Rub tire lube inside the new tire, and then place the tire on top of the wheel.

10

Lower the mounting head between the backside of the tire and the rim of the wheel. Press the rotation pedal with your foot.

11

Attach the inflation hose to the valve stem and press the inflation pedal all the way down with your foot to initiate the bead blaster. Once the bead is fully seated, partially press the inflation pedal to inflate the tire.

Occasionally, even after changing the engine oil on your 2005 Monte Carlo, the "Change Oil" light will still stay on. If this occurs, you must reset the light manually through one of two methods. The first method involves the accelerator pedal, and the second involves the radio. If you have an aftermarket radio, you will not be able to perform the second method.

Instructions

Accelerator Method

1

Turn the Monte Carlos engine off. Leave the keys in the ignition in the "Run" position.

2

Press and release the accelerator pedal three times within five seconds. The "Change Oil" light will flash twice and then turn off.

3

Repeat this procedure if it did not work the first time. The accelerator pedal must be fully pressed and released each time, and it must be completed three times within five seconds.

Radio Method

4

Turn the Monte Carlos engine off. Leave the keys in the ignition in the "Run" position.

5

Press and hold the "TUNE" button for five seconds. "SETTINGS" will now appear on the radio display.

6

Press the "SEEK P-TYPE" button to scroll through the options on the display. Stop when "OIL LIFE" is displayed.

7

Press the "1 PREV" button to scroll through the sub-menu. When "RESET" is displayed, press the "TUNE" button to confirm. A beep will emit from the speakers, confirming the reset procedure. "DONE" will appear on the display.

8

Press the "TUNE" button to exit the program. One more beep will be heard to confirm the exit.

The brake lever sits in the center console of the Jeep Cherokee. The emergency brake cable runs under the Jeep and attaches from the bottom side, joining the two rear cables with the single front cable. While failure of the lever assembly is not common, the ratcheting gears inside the handle and the locking mechanism can fail. Those parts cannot be serviced individually. You have to replace the entire assembly to fix a problem with the lever or the components inside it.

Instructions

1

Raise the front of your Cherokee off the ground with a jack. Position a set of jack stands under the frame to support the Jeep. Slide under the Jeep and locate the parking brake equalizer, which is directly under the parking brake lever.

2

Remove the nut from the tension rod with a wrench. Slide the equalizer off the tension rod. Remove the front cable from the tension rod and lay it aside. Slide out from under the Jeep. Open the passengers door so you can access the center console and the brake lever.

3

Open the center console. Locate the two screws at the top edge of the trim panel that extends from the top of the console to the front of the brake lever cutout. Remove the screws with a Phillips screwdriver.

4

Pull the brake handle up then lift the rear of the trim panel up several inches. Slide the trim panel back to release it from the front of the center console and lift it off the brake lever.

5

Locate the electrical connector on the brake lever switch near the bottom of the brake handle assemble. It is on the drivers side near the back of the assembly. Pull the connector off the switch and set the connector aside.

6

Remove the two retaining bolts from the brake handle assembly with a socket and ratchet. Lift the assembly out of the console and remove it from the Jeep.

First introduced in 1947, the Fleetwood is a luxury four-door sedan manufactured by Cadillac in America. Powered by big and powerful V6 and V8 engines, Fleetwood is equipped with a modern twin-turbine fuel pump that delivers enough fuel to feed the needs of this car.

Fuel Pump Operation

The fuel pump is an electric medium-pressure twin-turbine pump which is mounted to the fuel level meter assembly in the fuel tank. The fuel pump delivers pressurized fuel from the pump through an in-line filter to the throttle body injection (TBI) unit and injectors. The electric fuel pump operation is controlled by the electronic control module (ECM) through a fuel pump relay.

Fuel Pump Pressure Specifications

Cadillac Fletwoods fuel pump operates in the range of 62 to 90 kilopascals (9 to 13 pounds per square inch) of pressure when the engine is running.

Part Replacement

The fuel pump is still supplied by Cadillac and is priced at $77.98, as of late 2010. The OEM part number is 25168719.