bigmac

Good shop should cost you about $1700 for new belt, pump, pulleys, time @$90/hour,etc. Should then be good for 5 years/60K miles. Good luck. Change all fluids as well. New hoses for gas lines etc..

Mike Frye

OUCH!

Do you plan to maintain this car yourself or use mechanics? If you plan to maintain it, we can probably put together a group to come and help diagnose the problem and show you how to do a TB/WP. If the valves are bent, you're looking at a pretty expensive proposition, but still doable.

Let us know your plans for taking care of the car, there are a few of us within a few hours that would be willing to help out if your interest is in doing your own wrenching. Otherwise, someone in your area may be able to recommend someone.

In most cases (especially for something like this) if you go to a mechanic with no experience, you'll be paying for him to get an education even if he's the best at what he does. Even then, it will be the first time he's ever done it.

worf928

I agree with Andrew: seized water pump.

And to reinforce:

Do not drive the car. Do not start the engine for any reason.

Your 928's engine is 0 to 300 seconds of operation from self-destruction.

In fact, the timing belt is, now, possibly melted to the water pump's pulley and thus, simply attempting to start the car may cause the belt to snap.

I'd disconnect the battery to make it more difficult for anyone (tow truck driver, etc.) to attempt to start the car.

cold_beer839

You need a TB/WP job. Most shops charge $1500+.

Make sure your shop knows 928's or you'll be sorry. They will mess it up if they don't.

Give your exact location and maybe someone here can come over and take a look, or at least recommend a 928 shop near you.

If you start the car you will be out $10k.

Glenn M

If you're in Delaware you should contact Earl Gillstrom, he is in the Philly area and knows these cars.
His email address: captearlg@gmail.com, can't get any better 928 wrench.

Glenn

mark kibort

Usually, the pump fails by the impeller coming lose off the main pulley shaft. this means, its not spinning and the engine will overheat very fast. (within a minute). when the impeller starts to get into the block, usually the main shaft is allowing separation of pulley and impeller, this usually starts a small leak out of the pump. rarely does the impleller sieze into the block when it is rubbing , you wont even be able to hear it my bet is that the impeller has become lose and no moving . the tension light coming on is an interesting coincidence, if the pulley hasnt moved and created a lack of tension on the belt. are you sure there is no water leaks from the water pump area?

either way, it needs to come apart . not too difficult, with all the list help here. plus, the Pirtle article, manual, instruction information is very comprehensive. do it yourself, and it will cost a waterpump, belt , and 8-16 hours of time. $400 or so. Have a shop do it, and you are looking at $1500 easy!

you can rotate the engine to see if the timing belt marks are still aligned. TCD on the #1 compression stroke will tell you if the belt has skipped teeth or is aligned . Ive run the car with 3 teeth skipped with no damage. any more and its a crap shoot of how many valves will be bent.

mk

PorKen

I would proceed with the assumption the belt is melted to the water pump pulley, and not rotate the engine until the center cover has been removed.

dprantl

Please don't start the car until you get this sorted out. If it is the water pump that seized, the motor could be mere seconds from bending valves. I just had to say it again even though many people have already.

Dan
'91 928GT S/C 475hp/460lb.ft

Bill Ball

You been told!



Do not start the car! Do not pass Go. Do not collect $200.

Go directly to the repair shop on a faltbed.

worf928

+928 x 10^23

AND, when the flatbed guy says "let's just try to start it and drive it onto the truck" say NO. If the guy in the shop says "let's try to start it", say NO.

Also, make sure that the car is not in gear when it is moved (else the wheels will attempt to turn the engine.)

Lopez

It's probably been said enough, but dude, you need a new water pump.

Don't start your car.

The exact same thing happened to me (impeller came off) and the car overheated within about the same amount of time.

Bill Ball

And watch the way he hooks up the winch to pull the car onto the flatbed. Ideally, you should use the factory tow hook.

WallyP

I second the advice to contact Earl Gilstrom.

Mrmerlin

take the battery out of the car B4 the tow truck driver gets there and then disconnect the 14 pin connector over the hot post.
This will prevent anyone trying to turn the engine over till the covers are removed

ISOMY928

Just talked to the shop, water pump seized, belt stretched/being replaced. He said it was dumb luck, personally I think it was great resource management. I am glad it had that warning light.. Valves are clean, Thanks for all of the input. It was not started during any phase following initial overheat. I did pull the post connecter this morning, it was all I could find to prevent turning it over. So it is not as bad as I thought and he can put on my new Bilsteins while it is in for the repair. Love that car.....