Last post on Dec 03, 2011 at 11:40 AM
You are in the Mitsubishi Diamante
What is this discussion about?
Mitsubishi Diamante, Sedan
Feb 14, 2004 (9:31 am)
I'm needing to refill my powersteering fluid every week or so due to an apparent leak in the Power Steering. Everything was fine with the steering until a few weeks after my last Mitsubishi Service visit, needless to say I don't really trust them. Now, they want over $800 bucks to replace the steering rack. However, the car is a 1998 Diamante ES and has 100K on it. I don't have the money for the repairs and refilling the fluid brings the steering back to normal and the grinding noise when the fluid is low goes away. My question is, notwithstanding the mess this is leaving on my garage floor, can I just keep filling this steering pump with fluid indefinitely to avoid paying the hefty repair bill or is there something I can do to repair this somehow? The PS fluid is pretty cheap and one bottle usual covers me for a month or so. Maybe I can wrap the PS hose?
When I asked the Mitsu service how this kind of problem could happen, their answer was something like 'well, these things sometimes just start leaking at around this mileage, nothing you can do about it really but replace the rack', or something to that effect.
#1116 of 1497 Service Departments:
Feb 14, 2004 (10:45 am)
Once you get past the warranty period on your car your basically on your own. Your better off going to a local garage than going to customer service after your warranty is expired.
#1117 of 1497 lngtonge18 - Wipe/Washer/Leather
Feb 14, 2004 (9:41 pm)
With the car still under warranty you need to take it in and have them diagnose and fix what is making the noise with the wiper mechanicals. The washer is supposed to spray the windshield before the wiper blades start moving to prevent scratching the glass with dry blades. Obviously, something is preventing this. That could be a clog in the fluid line or pickup, or a defective pump or motor. Either way, that should be fixed under warranty.
As to the leather, what color do you have? Both of my Diamantes have the gray interior and do not show any discoloration, with the oldest being 5 years old. A tan seat will probably show dirt easier. Watch out for black pants or belts that get wet. I once found black marks on the bottom of the seatback and traced it to a black leather belt that I was wearing one day when I got caught in the rain. The rain caused the belt to bleed its black dye. I was able to remove it with Lexol Cleaner.
I recommend cleaning the leather seats every three months with Lexol Leather Cleaner, followed with Lexol Leather Conditioner. Spot clean and condition any discoloration found in between regular treatments. The leather surfaces are the parts of the seat you body touches, but not the bottom of the back of the seat back or the outside sections of the cushion sides. The headrests, console cover, door "pleather" and all other interior surfaces are vinyl or plastic and should be treated with Vinylex.
#1118 of 1497 chrism07924 - Power Steering Leak
Feb 14, 2004 (10:20 pm)
The first thing you need to do if find exactly where the fluid is leaking from. That involves cleaning all parts of the hydraulic components of the power steering system and then waiting a few days and looking for the fresh leak.
If the leak is from a hose, that is the cheapest repair. A leaky pump will be the next most expensive repair. A leaking rack is the most expensive repair. So just replacing the rack is not appropriate unless it has been diagnosed that the rack is leaking. Racks usually leak from the internal seals and drip out of the ends. If it turns out to be the rack, you can buy one at wholesale at one of the Mitsubishi dealers that lists on www.parts.com. You'll have to have a dealer install it unless you are mechanically skilled yourself.
You can continue to just add power steering fluid and put off the repair, but check to see what is getting wet by the leak. You don't want a leaking hose to be dripping down on a brake caliper, or worse yet the exhaust system. The leak won't get better, and probably will get worse, so if you are going to keep the car, consider replacing the leaking part now, not later.
If it is definitely the rack, consider trying a leak stop product like http://www.prestone.com/products/43.htm to see if it helps. These types of products are a last ditch effort to put off a repair, so don't just assume it is the rack and use the leak stop. If it is only a hose or fitting, it is best to replace the leaking part.
Feb 15, 2004 (4:26 pm)
For the tips on the power steering leak. I haven't cleaned things up to tell where the leak is for sure, but based on the spots inside the garage (which was clean before the leak), it's coming from the front-left tire (right inside and behind it). No other leaks are visible on the concrete. The service center did check it out at my request and they claim it's the rack, but I don't trust them at all. Lately the car has made a rattle noise during normal acceleration from around 800rpm to just under 2000. I'm thinkin it's power steering related.
#1120 of 1497 update on wiper/washer
Feb 22, 2004 (8:10 pm)
I took my D in on Saturday. They couldn't find anything wrong with the wiper. I didn't think they would since the noise mysteriously stopped. As for the washer, they said both washer nozzles are plugged up so they ordered new nozzles. I knew the pitiful spray couldn't be right. Odd that both were plugged up. As for the broken mount for the cargo net, get this..Can you believe they have to REWELD the mount? All I thought happened was the plastic stud broke off inside the plastic hook. Apparently, the mount also has a piece of metal that is welded to the frame of the car and this broke off. The dealer is in the process of buying a new welding machine so lord knows when that will be fixed. So all I really got out of over 2 hours waiting at the dealer was a car wash. But hey, it sure needed it! LOL
Vivona, thanks for your insight. Your help is always most appreciated. My car has gray leather by the way. I was able to clean the black markings off the seat. I think it was dye that rubbed off of black pants. I just hope it won't get that dirty under normal circumstances.
#1121 of 1497 Help, Mr. Vivona, idle too high after throttle body cleaning
Feb 23, 2004 (8:41 pm)
Hi Mr. Vivona,
First of all, I would like to thank you for your dimand and pearl paper about throttle body cleaning. It is well-written, and easy to follow the instructions.
I have a 92 D LS with 138,000 miles and live in Philadelphia. I had rough idle: 750rpm in P, and 550-650 in D/R since early Feb. Sometimes in D, rpm decreased to 400rpm, then immediately increased to 1,200rpm. (Last Sept. I had idle problem. So I did 120,000 miles maintanance & repair by Mits dealer, who changed idle air control motor, spark plugs and wires, cooling system thermostat, timing belt, etc.)
I figured out the throttle body could be dirty, so last Sunday (Feb.22) I disconnected the battery, followed your TB cleaning instruction and cleaned the TB. (TB was really dirty!) After I cleaned TB, I started my car. It idled at 2,000 rpm for a while (in cold weather, 28F), but when the temp rised to normal driving temp. It idled at 1,000rpm in P, and 800rpm in D/R. I took a test drive, and the idle was fine.
However, today even after the car has been driven for 10 minutes, the idle is 1,500 rpm in P, and 1,000 rpm in D/R.
1) Is it possible that I have messed up the TB? The followed the exact steps in your article.
2) Is it possibe that because the TB is clean, so the throttle body opening is 'bigger and wider' than it was before when the ECU sends out the same signal to open the TB during idle?
3) Can I manually adjust the TB? If I can, how can I do it?
Thanks a lot!
#1122 of 1497 update on my high idle
Feb 24, 2004 (3:58 pm)
Today the idle in my 92 D LS is still high, but much better than yesterday. When the car is completely stopped, the idle is around 1100rpm in P, and 800rpm in D/R after it has been driven for 10 minutes. I guess my D need time to re-learn the setting. So I will give it more time to adjust itself before I have to manually adjust the throttle body.
Mr. Vivona, I am still interested in learning how to adjust the TB. Could you give me some advice?
#1123 of 1497 Heat Shield Noise?
Feb 24, 2004 (5:05 pm)
I just purchased '03 Diamante w/ 17K and just love it.
I discovered a noise coming from the engine/transmission or underside of the car when I go from Neutral to Drive.
I brought it to a Mitsu dealer to have them look at it. They told me everything looked fine and that it was a normal sound. They told me that the noise is generated from a heat shield from underneath the car. They said the heat shield is properly mounted and secured. They said it is the design of the car.
Does this sound correct? I can't believe that car of this level would have such a disturbing noise as part of a design.
Does anyone have an opinion? - Thanks