Author's Archive
How To Replace The Tie-Rod On A ’99 Audi
Written by Staff on Monday, October 18, 2010 | Comments Off
Categories: Audi Tags: 1999, tierod. tie rod
Audi cars have rack and pinion steering thus the need for a tie-rod to hold the pinion to the wheel. The tie-rods make the wheel go in the direction the driver turns the steering wheel. The constant compression of the tie rod will cause the metal to get fatigued and that is when you will need to replace them. the Audi A4 tie rod replacement is not at all difficult but you will need to lift the vehicle and secure it on supports while working on them. Just about all the newer model cars have the new steering so you can just about use the same instructions for all.
How to Remove Heater Core ’85 Chevy Van
Written by Staff on Monday, October 18, 2010 | Comments Off
Categories: Chevrolet Tags: 1985, Chevy, heater core
Since the 1985 Van is also a G20 model this information should work for them all. The heater core is a heat radiator. The hot coolant passes through the core, the fans blowing air across the core cools the liquid inside.
A strut is basically a coil spring and shock absorber assembly combined, the strut being the “shock absorber”. It supports the weight of the car and controls the ride quality. The strut integrates the different components including The Coil Spring, schock absorbers, spring seats, bearings and steering knuckle into one unit that provides the smooth and comfortable ride of the vehicle. The housing for the strut serves as the structure for the suspension system and it attaches the upper struts to the lower joint so that it all moves with a turn of the steering wheel. You will need to purchase the struts, the top plate springs and a compressor for the springs. You can find them already compressed iof you are willing to shell out more dough.
There are a few reasons that a valve will have become burnt. Having one is indeed a serious engine problem. When a valve burns it means that a part of it has melted away. This can be caused when the cylinder will not seal properly anymore. A burnt valve is one of the reasons you end up with a dead cylinder.
Why do valves burn is the question that should be considered first. It has to do with the number of miles that have been traveled. The parts that are in motion are also under tremendous heat. The heat and motion combine to wear down the melted in the face and seat. This is where the exhaust valve releases a great deal of heat. As the parts become worn this heat weakens the metal which eventually becomes brittle and flake off. It is like a chain reaction the more heat the weaker the metal, the weaker the metal the more heat gets generated. The valve begins to leak and you loose compression.
Because it allows unburned fuel leak into the exhaust the HC levels will increase. High hydrocarbon emissions are a sign of a burnt valve. This could also be because the valve lash was not properly adjusted so it is left hanging open. The truth is that almost any conditions that cause overheating could result in a burnt valve.
The best way to really test for a burnt valve is to get a compression test. After the test is complete if the emissions are high proceed to a visual inspection.
The purpose of the oxygen sensor is to monitor a car’s air to fuel ratio in order to improve its efficiency. It also helps to reduce harmful emissions. They last for about 100,000 miles of use but can get faulty before then. If you get a “check engine light” this might cause it. Your car is equipped with a diagnostic center that can quickly confirm that suspicion. If it is less than two years old it might still be under warranty if it isn’t you can fix it yourself with a little know-how and a few tools.
Since the Lincoln Town Car is a high-end vehicle there are a few variables to consider before you begin. Read the owners manual first if it advises against prolonged disconnection you will need to purchase a battery backup. This inexpensive little device attaches directly to the cables to provide enough power so that your security cods and other information is not lost and the arduous task of reprogramming will not have to be undertaken. Once this is established and you have removed all obstructions between you and the alternator you are ready to begin.
