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Wednesday, April 09, 2008

Free Wiring Diagram - 1998 Lincoln Continental

Question: I have a 1998 Lincoln Continental. I am trying to sort out some electrical issues with my engine cooling fans. I know how to use a multi-meter and have experience working on cars. What I need is a wiring diagram or schematic to go by so I can fix this myself. Where can i get one for free? Answer: There are several places to get wiring diagrams. One place is by following the link to your right labelled "Automotive Wiring Diagrams" and selecting the year, make and model of your vehicle. This comes with a $9.99 fee, but includes all repair information, TSB's, color coded wiring diagrams, belt routing's and diagnostic charts just like the dealers use. Great buy for the money. If you are just needing a generic or basic wiring diagram, you can get one Free at our parent website Free Auto Mechanic.com . I have gone ahead and posted this one hear for you to let others know what to expect. Since it is free, the requests the website receives is overwhelming and may take a month or longer to receive. http://www.freeautomechanic.com/coolingfans.pdf

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Blower motor runs on high speed

Question:
I have a 1991 Buick Park Ave Ultra Blowers motor runs on high speed all the time even with key off?? The Air Conditioning and heat work fine. It has a 3800 engine.
Answer:
1) The blower motor relay is stuck, replace it and if the blower motor will only work on high speed, replacing the blower motor resistor. This is if it is has manual Air Conditioning.
2) Replace the Module if car has the auto control for a/c. It has a module no resistor or relay

Tuesday, April 08, 2008

hard shifting transmission

Question:
I have a 1988 Ford Mustang hatchback 4 cyl. How can i fix a hard shifting transmission in my 88 mustang which has a stiff clutch also it tends to not go into first gear easy if at all other gears are difficult but it can be done. I have done nothing yet i don't want to mess anything up i can still drive it, but its real real hard to shift gears, and the clutch is stiff.
Answer:
The symptoms you are having is a sure tell sign of a clutch needing replaced. Replace the clutch, pressure plate and throw out bearing and this will cure the problem.

Monday, April 07, 2008

Induction Service

In just the past few months I have been presented with a number of estimates given to my customers from dealerships that have performed warranty or recall work. On each estimate the dealer claims that the vehicle is in need of "Induction System Service". I have been asked by several people what this service is and if they really need to have it done. INDUCTION SYSTEM SERVICE: The Induction Service consists of removing the throttle body and cleaning the inside or throat of the throttle body. This allows a smoother flow of the required amount of air. DO I NEED IT: The Service can help aid in the correct idle if you are having this issue or looking to prevent it. In most cases if your car is running fine, you are not required to have this service done. It is however, a good preventative measure.

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Friday, April 04, 2008

Found Plug in transmission pan ?

Question: I am in the middle of changing my transmission filter and upon removing the pan I found a plug with an o-ring around the middle of the plug. What is it and where does it go? It is a 1999 Ford F150 5.4 engine. Answer: I can tell that this is the first time the filter has been changed. The plug is installed by the manufacturer of the transmission for shipping. Once the transmission is installed on the assembly line a transmission dipstick tube is installed by shoving the plug the rest of the way through. It will not hurt anything to leave it in there, but you might as well toss it while you in there.

Thursday, April 03, 2008

massive oil leak

Question:
Hi I have a 1996 Lincoln Continental that has developed a massive oil leak that looks like its coming from between the AC compressor and engine block. It is a hard area to see! any ideas? its definitely a pressure leak.
Answer:
It may be the oil pressure sending unit. They are the only external part that carries a lot of oil pressure. It is usually pretty close to the oil filter and if I'm not mistaken the filter sits under the ac compressor. This is best viewed from underneath the car.

Wednesday, April 02, 2008

1999 Jeep Grand Chreokee Air Conditioning

Question: My 1999 Jeep Grand Cherokee had the Air Conditioning compressor replaced in July '07. It worked OK for around 5 months. It Stopped engaging. I had the system recharged and had dye added at the same time. Drove it home about ten miles and it seemed OK. Did not run Jeep for two days. A couple days later I noticed the compressor wasn't engaging. Took it back for the UV light check for the dye. No leaks were found. They tell me that my evaporator core (under dash)is leaking. They can replace it for $750. The compressor doesn't engage but the system seems to have a charge (determined by pushing down the fill stem.) Does this sound right and could it be something else? Answer: Absolutely possible. The A/C system can still have pressure in it, and yet be too low to engage the compressor. The low-pressure cut-off switch will prevent compressor clutch engagement to protect the compressor in the event of a low refrigerant charge, and this condition is normal. The system can still contain some refrigerant (noticeable at the service ports), and will even seem to have a charge with only residual refrigerant (essentially, empty) when pushing down on the schrader valve at the service port. When checking the system with dye, it's often easy to verify the leak by shining the UV light on the HVAC case drain tube. Often times, though, nothing is evident at the drain, and you only notice the leak when the HVAC case is removed and the evaporator inspected (the evaporator is not visible without pulling the dash and HVAC case). I've pulled plenty of these apart, after the UV showed nothing visible *anywhere*, only to find out that the evaporator is green (with fluorescent dye).The cost seems a bit high, but in HVAC system repair, you often get what you pay for. $750, while expensive, is about normal for the dealer, and it's the hardest component to replace in the A/C system.

Tuesday, April 01, 2008

deployed both the drivers and pass airbags

Question: My 2005 Chrysler Crossfire was in an accident which deployed both the drivers and pass airbags. I replaced both of them along with the clock-spring and seat belt assemblies. Before I put the fuse back in to power up this system is there any other thing I need to do. Do not want to deploy new airbags. Answer: As long as you have everything hooked up right you should be fine. This is what the service manual says you should do: The following procedure should be performed using a DRBIII(R) scan tool to verify proper supplemental restraint system (SRS) operation following the service or replacement of any SRS component. WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE SUPPLEMENTAL RESTRAINT SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, DRIVER AIRBAG, PASSENGER AIRBAG, SIDE IMPACT SENSOR OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE SUPPLEMENTAL RESTRAINT SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY. During the following test, the battery negative cable remains disconnected and isolated, as it was during the SRS component removal and installation procedures. Connect the DRBIII(R) to the Data Link Connector (DLC). Exit the vehicle but maintain contact with the DRBIII(R). Turn the ignition switch to the On position. Check to be certain that there are no occupants in the vehicle, then reconnect the battery negative cable. Using the DRBIII(R), read and record any active (current) Diagnostic Trouble Code (DTC) data. Next, use the DRBIII(R) to read and record any stored (historical) DTC data. If any DTCs are found, Use the DRBIII(R) to erase any stored DTC data. Turn the ignition switch to the Off position for approximately fifteen seconds , and then back to the On position. Observe the airbag warning indicator in the instrument cluster for proper operation.