Help - 2002 996 seized motor

[2thmvr]

I have a 2002 996 C4S with 47K miles and the motor seized. I had it towed to the dealer and they said it would 20K for a new motor or they could take it apart for 7K to see what is going on. What should I do? Contact Porsche North America? Take to independent? Find a used motor on ebay or pelican? Any and all help would be greatly appreciated!

Originally Posted by 2thmvr

I have a 2002 996 C4S with 47K miles and the motor seized. I had it towed to the dealer and they said it would 20K for a new motor or they could take it apart for 7K to see what is going on. What should I do? Contact Porsche North America? Take to independent? Find a used motor on ebay or pelican? Any and all help would be greatly appreciated!

Oh. man, I feel for you. I'm guessing the engine is toast. would not spend a dime on diagnostics. Those engines are basically un-rebuildable.

[Phil Blacklock]

see thread below with motor for sale

[Wayne 962]

I'm currently looking for another car and/or motor to do an Engine Rebuild article on. I've been talking with a guy who has a 2001 that is mixing oil and water together. I called over to LA Porsche Dismantelers and my friends there told me that the going rate for an 01 with a blown motor is about $4K-$6K. That is about what they buy them from. Another source told me just about the same thing.

I have a 3.6 997 motor that I picked up about 3 years ago with 10-20K on it (can't remember, but I have some paperwork somewhere on it). The car it came out of was rear-ended. The engine has a small scratch on the bottom of the case, and it's weeped a tiny bit of oil from there as it has sat on the engine stand for 3 years. I paid $5K for the motor, and would sell it for that (plus your core, which I can then use for my article), should pretty much be a pretty easy swap into an 02. Or, I might be interested in the 02, as I could easily drop the 997 motor in there. But as I mentioned previously, these don't sell for too much these days with broken engines.

-Wayne

[gerry ganz]

Wayne, 2002 porsche is silver c4s 47,000 miles in Long Beach if interested. might be interested in motor

[blackcabby]

Oh Wow! I am really sorry to hear it!

Do you mind if I ask what caused the failure? Definitely, hope you have better luck with the next motor...

BC

[gerry ganz]

The engine seized due to a bad bearing in the glockendockle. I am having the engine rebuilt costing about 10K.

[dtakenname]

I heard with exchange of good core, you can get a factory reconditioned engine for 13000.$ and you will get 2 years warranty with that.

[Wayne 962]

Originally Posted by dtakenname

I heard with exchange of good core, you can get a factory reconditioned engine for 13000.$ and you will get 2 years warranty with that.

I think those days are somewhat gone now. I think the cost is now much higher for the factory crate motors.

-Wayne

[Wayne 962]

Originally Posted by gerry ganz

The engine seized due to a bad bearing in the glockendockle. I am having the engine rebuilt costing about 10K.

Who is doing the rebuild? There are many things on these motors that cannot be rebuilt. I prefer to think of these overhauls more as a "refreshening" than an actual rebuild.

I started up our project 996 with the bad motor today, boy did it sound bad. I checked for camshaft deviation with the PST2 and didn't find any. That means that the timing chains are probably okay, which is what I thought was originally wrong with it. But now, it looks like we might be tearing it apart and rebuilding it.

-Wayne

[Jamikest]

996 reman engine is up to about $14,500 list price. Checked on a 99 recently. Chunks of chain guides in the motor. But that is another story.

[bxtech]

Wayne.........Any more info on these engines mixing water and oil together? Have you heard about any common problem found for this symptom? Someone told me that the oil coolers commonly failed on these, but I haven't heard and I cannot find much about that. Wondering if this might be true? I have an '01 with mixing and am thinking about tearing it apart in the near future. The engine did NOT overheat and just started sucking in coolant one day.

Anyone else with info/input would be greatly appreciated as well! Thanks.

[rb101]

Most common failure I know of is a crack in the head at #1 or #4. Dharn55 fix his last year. Check out his threads:

http://forums.rennlist.com/rennforums/996-forum/497527-intermix-problem-found-the-crack.html#post6516543

[sc_rufctr]

I know this is going to sound stupid but here goes anyway...

How did Porsche ever get away with this? I mean 47K miles and the motor is done!
Kia, Toyota, Mazda etc couldn't never get away with that.

Considering their history and heritage they should fix these cars.

Just my opinion but I grew up thinking Porsche cars were special and built like no other.
That's why I saved for 10 years so I could buy my SC.

I can't help but feel Porsche could have done a lot better for it's customers.

[txhokie4life]

Originally Posted by bxtech

Wayne.........Any more info on these engines mixing water and oil together? Have you heard about any common problem found for this symptom? Someone told me that the oil coolers commonly failed on these, but I haven't heard and I cannot find much about that. Wondering if this might be true? I have an '01 with mixing and am thinking about tearing it apart in the near future. The engine did NOT overheat and just started sucking in coolant one day.

Anyone else with info/input would be greatly appreciated as well! Thanks.

I know of several ways this can occur:

cracked cylinder head,

blown freeze plug (but unlikely if not overheated) (seen this)

oil cooler failure, but in this case it seems that oil is in coolant, not vis versa.

spun bearing, which alters piston travel that collides with head that
opens gap in head gasket. (seen this)

there is a small rubber gasket between the two block halves that I have
heard can fail, and this causes intermix. I have not seen this, just
heard of it.

good luck with things

Mike

[C2951]

Originally Posted by bxtech

Wayne.........Any more info on these engines mixing water and oil together? Have you heard about any common problem found for this symptom? Someone told me that the oil coolers commonly failed on these, but I haven't heard and I cannot find much about that. Wondering if this might be true? I have an '01 with mixing and am thinking about tearing it apart in the near future. The engine did NOT overheat and just started sucking in coolant one day.

Anyone else with info/input would be greatly appreciated as well! Thanks.

The oil cooler might leak and cause the intermix but this is usually due to a cracked head . The oil cooler is easy to remove and pressure test so that is a good first step but you'll probably find a cracked 1-3 head, with the crack running between the #1 spark plug hole and one of the #1 exhaust valve guides. You should remove the 1-3 cam cover (note: a special tool is required to hold the cams before removing the cover), clean the area between the #1 spark plug hole and the #1 exhaust valves, and check for a crack before further disassembly. It'll be easily visible after spraying the area with brake cleaner. If the crack is not found there, repeat on the 4-6 head.

[cattman]

The engine on my '05 997S blew last week, due to a failed IMS bearing. Not acceptable for a car meant to be driven hard and put away wet. Need to find a new or replacement engine...
CATTMAN

[FPB111]

Look for a crack like this.

[FPB111]

So, OP did that series of exchanges answer your question?

[FPB111]

Log this failure with NHTSA

Recalls are triggered by complaints to the NHTSA. NHTSA complaints and investigations can be researched at their website: Vehicle Owners | Safercar -- National Highway Traffic Safety Administration (NHTSA) . Complaints can easily be filed there. Between MY 2000 and 2010 there were only 6 IMS failures reported with std or S Boxsters: 1 in 02, 4 in 03, 1 in 04 - not enough to trigger an investigation, much less a recall.


See this thread

Possible Leverage for failed IMS/engine replacement - Rennlist Discussion Forums