I bought a rebuilt A/C Compressor

Question: I have a 1984 Chevy Corvette and I bought a rebuilt A/C for it but there is a switch or some kind of wire that plugs into it that the new A/C is blocking off. My friend had this happen to his and said he just left that wire disconnected. Is that what I need to do? Answer: If you are talking about the pressure switch in the back of the compressor, it is held in place by a snap ring. The new compressor should have a plug in the same hole in the same spot that the switch is located on the old compressor. Just remove the plug and swap the switch from the old compressor to the new compressor. It is put there for safety reasons, in case of a pressure problem with the system.

AC cold air turns warm after ....

Question: My 2003 Honda Accord LX, 4 cyl, auto ac will function properly on humid days until I drive over rumble stripes or hit a bump in the road. Then the blowing air warms up as if the AC switch was turned off. Sometimes if I drive over another bump or reflector in the road, it starts blowing cold air again. Other times it won''t blow cold air until the car is turned off for a few minutes. The dealership has replaced a relay switch but it didn''t fix the problem. The radio has been replaced in this car. Obviously we don''t know if this is relevant or not but the problem didn''t occur until several months after the dash was pulled to replace the radio. Answer: A couple things can cause this, the relay is one and sounds like your dealership has addressed this. Another common thing that causes this but is often overlooked is the air gap in the A/C clutch. As the air gap increases when it's hot a bump or shock to the car can cause the gap to be too much and then A/C compressor shuts off. If compressor is allowed to cool then the gap decreases again and it will work. The good news is the gap is easy to check without taking the compressor off the car or anything. With a feeler gauge and the spec. in the book a tech can see if it's out of range. Another way to check for this is to hit the outside of the clutch on the A/C compressor when it shuts off again and see if the compressor starts working again. If so the air gap is out of spec.

Can you tow using the bumper hitch ?

Question:

Can you tow with a 1995 Ford Explorer V6 engine using the bumper hitch, I might buy one but I want to make sure I can tow with it ?

Answer:

Yes, you can tow with a ford explorer. In fact some of them came with a factory bumper hitch. As long as you do not exceed the towing capacity of the bumper hitch which is commonly 2000 lbs. If you want to tow more than that, I would recommend a Reese style hitch(one that bolts directly to the frame.

slack on supercharger belt

Question:

I have a 1997 Pontiac GTP has slack on supercharger belt and the tensioner is clicking back and forth. Belt is the right size. Already tried changing the belt with a smaller belt.

Answer:

It sounds like the tensioner needs to be replaced as the internal spring is to weak. The only thing would be to make sure none of the pulleys the belt rides on are sticking/hanging up. Spin them with the belt off to check them. There is no adjustment for the tensioner and they commonly need to be replaced. They probably have one in stock at your local auto parts store.

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Left rear brake Sticking

Question: I have a 1988 Ford Mustang w/ rear discs and no apparent ABS. Replaced calipers and pads. Left rear brake fails to release after using E-brake. Replaced caliper again. Same deal. Answer: Sounds like the problem is in your Park brake cable. Disconnect them. pull the lever and measure. Release the lever and measure to make sure they are releasing. If not, replace the cables and make sure they are routed correctly. If it fails to release without using the park brake, then you need to replace the caliper hose.(most common)

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trying to locate a diagnostic plug

Question:

I have a 1997 Renault Laguna 2.0 Petro and i have been trying to locate a diagnostic plug on my Laguna 2.0 Petro and cant find the plug anywhere, is there one in the vehicle . no. 3 injector not working. Can you tell me where it is ?

Answer:

Diagnostic plug should be located under left lower dash area at base of steering column.

error code of P1824

Question: I took my 2002 Ford Explorer to the repair facility with an error code of P1824. After extensive research on their part, or so they say, they stated that the electronic shift control module needed replacing so the 4x4 high light would stop blinking on the console. We have replaced this part and the light is still flashing, after unplugging battery for five minutes to reset the computer. They cannot figure out what is wrong. Any suggestions??? Answer: Replacement of the 4WD control module does not require programming using the Ford scan tool on this vehicle. Vehicles built after 03/04/2002 with the 11th digit of the VIN being (U) or vehicles built after 03/11/2002 with the 11th digit of the VIN being (Z) require a different module than those built before these dates. The modules are not interchangeable though the harness connectors will plug into either of the modules. The modules have different internal designs. The 4WD shift module is located forward of the glove box, under the passenger side of the dash. 1. Check the resistance of the magnetic clutch coil at the transfer case measuring between terminal 16 and terminal 11 of the shift motor connection. Terminal 16 connects to a Brown (BN) wire on the harness and terminal 11 connects to a Brown/Yellow (BN/YE) wire on the harness. Resistance should indicate a reading of 2.5-3.0 ohms. 2. Use a scanner to try and command the 4WD clutch on. If this is possible, monitor the voltage on the BN wire while increasing the command on the clutch. If there is low or no voltage to the clutch no matter what the command, check the powers and grounds to the module. 3. The Four Wheel Drive (4WD) module is located behind the glove box area. A. C281a pin 1 Black/White (BK/WH) and pin 2 White (WH) should be battery voltage at all times. B. Pin 9 Violet/Orange (VT/OG) should be battery voltage with the key on. C. Pin 10 Orange (OG) should be battery voltage with the key in the crank position only. D. C281b pin 16 Grey/Yellow (GY/YE) should be battery voltage with the key in the run position. 3. The grounds are C281a pin 7 Black (BK) and C281b pin 2 Black/Light Blue (BK/LB). 4. If the powers and grounds are OK, replace the 4WD module. Be sure to get the correct module, the early and late build modules will plug in but are not interchangeable.

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