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Mitsubishi Diamante Repair Questions and Answers

Question: 1992 Mitsubishi Diamante mileage: 185,000. We have been told that our ABS system has failed, and that this is the reason that we are experiencing about 50% of our braking power. Apparently, the right front and left rear are working, but not the other brakes. In order for us to replace the ABS hydraulic and control system, we need the unit part numbers or we can't locate the parts needed. Can you help, as we will have to replace these ourselves as the cost is prohibitive to have a dealer complete it for us, and we really love the car overall. Your help in this regard will be sincerely appreciated.

Answer: Check the master cylinder, as it may be the source of your problem.

Answer: The Michel1 is a good source for repair manuals or try your local public library.

Question:  1992 Mitsubishi Diamante  mileage: 110,000.  I was told my car needed the valve seals in the engine replaced, and my husband wants to do the work himself.  The problem is we can't find a repair manual or any other info to help him.  Can you help us find any kind of manual, video, etc. for my car?  Can you give me any advice on any of the above to replace the valve seals and/or rebuild the whole engine?   Any help you can provide will be greatly appreciated because if my husband can do this work himself it will save us at least $1500.

Answer: If you are considering rebuilding your engine, we would suggest getting an already rebuilt engine and “swapping” it for yours.  To replace the valve stem seals, remove the cams and apply air pressure in the spark plug hole to hold the valves up.  Next, remove the valve keepers and retainers to expose the seal.

Question:  1993 Mitsubishi Diamante  mileage: 120,000.  Ok...   my Diamante brake system is not working correctly.  The right front and left rear brakes seem to be working fine, but the left front and right rear are slow to start working, and then after releasing the pedal it takes a couple of seconds for them to release.  My mechanic told me that the master cylinder needed to be replaced so I paid to have that done.   This did not fix the problem.  Now he is telling me that it is the ABS Unit.  He also said that the master cylinder was definitely bad and needed to be replaced regardless of the fact that it didn't fix the problem.  I have a hard time believing it is the ABS unit.  When you push hard on the brakes the ABS appears to be working correctly.  In addition, there is no ABS light on... any ideas guys?  Thanks...

Answer:   From what you describe, it does sound like the ABS unit may be faulty.

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