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I'd like to know about this as well. I actually also am trying to get the procedure for getting to the air bag unit, and even to the tach in order to clean it up inside, and replace the bulbs (bad lighting).
I dunno, but I know this: It aint cheap I somewhat recently had my belts/tensioner/rollers, and some other misc stuff done: new tires/alignment and more... (nothing like on ur list) and it cost me more than just a couple grand. :o
Sorry man, I really don't know the answer to your question. But are you in the Alexandria area a lot? I have taken my car to Minh once: Pitstop in Alexandria, (they bought out Autothority) I have been using this one mechanic in Fairfax, VA for just major jobs (timing belt, rollers, etc) Autobahn Services: Jose, real honest guy. I am going to be working on my 87 944 turbo soon, im getting my license back. I work out in Sterling and stay in fairfax. Do you do a lot of DIY with ur ride?
I just had my Belt re-tensioned after replacement, the re-tension was $196, when the belt was replaced I did not need and others (normal wear items to change are rollers/tensioner/water pump) and I had the motor mounts replaced for a grand total of $1200, but is much better than the 2-3 K for a head rework if the belt fails. As for longevity or life of the belt, I use my 88 944 as my daily driver, mostly highway at speeds of we'll just say probably too fast... Replace the belt, re-tension it at 1000 miles later, 15K and replace again at 30K or two years whichever comes first is what my friendly local dealer (Euroclasics Porsche, located in Richmond VA) has told me, Similar situation with me. I constantly would hear and read different things. Based on what johnkoawood and my mechanic in northern VA have told me is to change it every 30-35k miles, and do a re-tension every 1-1.5k miles after the new change. And replace every 2yrs/30-35k miles again. How important is the re-tension at 15k miles? Geeze, this is all part of why these motor are high maintenance even though its s 20+ yr old car.
I dont know about using the G12 Coolant, but if I had to guess, I think it would not hurt really. I just ordered some OEM Porsche coolant thro Pelicanparts.com I did a coolant flush/fill about 5 months ago. There are a few ways to do it. 1) Drain the radiator throught the plastic drain plug underneath the unit, but then it is suggested to also drain the coolant in the engine block too. This is a pain in the *** cause that drain plug is real real tight and hard to get to, and most of the time its corroded with rust n ****. 2) This is the procedure I used. Run the motor for a few minutes and wait for the cooling fans to turn on, the second they turn off, turn OFF the car, get under the vehicle and loosen/open the lower radiator rubber pipe coming from the lower passenger side. The thermostat is open at this time, so ALL the coolant will flush out. After, tighten the hose, and u can poor water in the system and run the engine to flush out any dirty stuff (optional really), and do the same procedure again. Just be careful when running it with the water in, you just dont want to do it for too long, just long enough for the fan to turn ON then OFF, and then go and drain it at the same spot. After you've done that, go ahead and fill the system back up with Coolant (the Porsche coolant I got, I mixed with 50/50 distilled water) Hope that helps :thumbup:
Does anyone know where you can find Castrol 5w-50 Synthetic in the U.S.? I was going to try Walmart first. I live in Northern VA, so we get all the seasons here. A reliable Porsche mechanic told me to either use Mobile1 0w-40 OR Castrol 5w-50 I drive a 87' 944 Turbo