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The mkiv Supra Owners Club

Have I destroyed my engine?


supra-ireland

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I was driving along, temp gauge was normal.

Started to feel excessive heat coming in from engine so I pulled it.

Just as I pulled in the engine died and the engien warning light came on and the temp gauge went up full.

Opened the bonnet. a pipe from the radiator had come off so

I'd been driving the car for about 10 miles with no water.

The heat off the engine was incredible and the smell wasn't pretty.

Waited for the engine to cool down and filled the radiator with water.

Tried starting the engine, no chance.

The starter motor turns over fine but there's not the slightest kick out of the engine.

 

I'm hoping to take off the head and have a look but I don't really know what signs of damage to look for.

 

Please help.

What should I look for?

Are there any tests I can perform to try to see what damage I've done.

 

Like I said the heat coming off the engine was really hot when I stopped.

What's the worst case scenario here?

 

Any help would really be appreciated.

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So was this comment

"if it's an n/a engine you've fooked, i have one spare "

just some sarcasm that I failed to detect?

 

its just if you look in the f/s section there are about 3 na engines all less than 300 quid. tt ones are over a grand.(and harder to get hold of)

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So was this comment

"if it's an n/a engine you've fooked, i have one spare "

just some sarcasm that I failed to detect?

 

You're reading too much into it or not reading it correctly. He's saying he has a spare NA engine if you need it...which is good of him to offer.

 

Get some water in it and test it - we're just guessing till then.

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So was this comment

"if it's an n/a engine you've fooked, i have one spare "

just some sarcasm that I failed to detect?

 

No. I read it as a genuine offer to help you out. N/a engine are cheap as chips. You can pick one up for about £100, whereas TT engine will set you back about 2.5k.

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Bloody hell, the TT engines value has just hot up by 1.5K in 2 minutes! :p

 

It sounds like something obviously not happy. Potentially you could have a lot of problems, or you could have been lucky and had none. There's also everything in between. (Is that any vaguer than Matt's reply?)

 

Start off with obvious things. Whip the plugs out and check them. If they're good, then check for compression. If it's cranking, but not actualy trying to start, then my guess is one of these two.

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Bloody hell, the TT engines value has just hot up by 1.5K in 2 minutes! :p

 

It sounds like something obviously not happy. Potentially you could have a lot of problems, or you could have been lucky and had none. There's also everything in between. (Is that any vaguer than Matt's reply?)

 

Start off with obvious things. Whip the plugs out and check them. If they're good, then check for compression. If it's cranking, but not actualy trying to start, then my guess is one of these two.

 

Ok, thanks for all the help.

I'll check the plugs first.

Do you think it's a somewhat positive sign that the engine cranks, trying to start but won't kick it?

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Ok, thanks for all the help.

I'll check the plugs first.

Do you think it's a somewhat positive sign that the engine cranks, trying to start but won't kick it?

 

yes it is a positive sign, the engines are very strong although heat will obviously melt them, the plugs hopefully is the weakest link so as said check them first;)

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  • 4 weeks later...

Ok, so I replaced all 6 plugs and the engine still won't start.

I'm going to buy a compression tester and get some readings next.

 

Could someone tell me the location of the fuel pump fuse that I have to remove before running the tests.

 

Also, what sort of compression values are regarded as being healthy for the Supra?

 

-Thanks

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Ok, so I replaced all 6 plugs and the engine still won't start.

I'm going to buy a compression tester and get some readings next.

 

Could someone tell me the location of the fuel pump fuse that I have to remove before running the tests.

 

Also, what sort of compression values are regarded as being healthy for the Supra?

 

-Thanks

 

8:5:1 are stock compression values i think

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Ok, so I replaced all 6 plugs and the engine still won't start.

I'm going to buy a compression tester and get some readings next.

 

Could someone tell me the location of the fuel pump fuse that I have to remove before running the tests.

 

Also, what sort of compression values are regarded as being healthy for the Supra?

 

-Thanks

 

Mate, before you get too deep into this, have you checked the for fuel and spark? If you have then just ignore me and buy that compression tester. Not sure what the compression figures are, but the 8.5:1 quoted in another reply is the ratio and not the compression figure you will see on the tester. Sure CW could give you an indication of what pressure you should expect to see. Good luck and last year I left the clip of the bottom hose at the waterpump join and dumped my coolant. Gauge went off the scale and I feared the worse as like you the heat from the engine bay seemed immense. I let it cool down, replaced the coolant and its been fine since. Fingers crossed and good luck.

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