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I find that most people who think that their 7M oil pan is leaking discover that it's coming down from the valve covers.

I thought... Maybe not today.

Look up the TEWD on CygnusX1.net. Particularly the brake light system on Page 74. Troubleshoot. You've got something cross-connected somewhere.

Fine. Cut/paste The pictures are actually from a spare sender I salvaged from my parts car, which is why there's some extra wiring on the connector. (Made it easy to test with a multimeter) On this one, I had to make a new connection on the sender tot he arm, which is where I soldered on the...

I put up a thread on the local club back in 2007. http://supraclub.ca/forums/showthread.php?t=1988

It's whatever your machinist will do. TSRM proceedure is Maximum warp (of block deck) 0.05mm (0.0020" ) If warpage is greater than specified, replace the cylinder block. TSRM Page EM-74. Which means that you aren't even supposed to machine that surface, according to Toyota. (Which is...

No, you can pull the sender without dropping the tank. You can't pull the fuel pump without dropping the tank, though. I had a similar issue to the OP in my '89. I repaired the sender. I also repaired a sender from an '87. It's a pretty simple device, usually not difficult to see what's wrong...

The sender has a wiper on a coil. Probably not making proper contact.

Well, I'm better at dodging being hit with a stick... But this experience certainly doesn't make me want to help people much in the way of troubleshooting.

I won't be driving mine for the next few months... Winter is here, and the Supra is sleeping. While she's in mothballs for the winter, I plan on getting a start on the new audio system. Nothing as fancy as what I used to have, but it will probably feature 6.5" door speakers and a couple of...

I did some research after asking the same question here. The primary thing "wrong" with the wideband simulated output is response speed. The upshot of what I found was that the majority of users should be fine with it, but occasionally it can cause problems because it doesn't react fast enough...

Seriously, did you look at the TEWD link I put up? There is no relay. Power goes from the battery to the STOP fuse, from there, it goes to the brake switch, and on to the failure sensor module, where it gets passed on to the lights. It should take a very short time to diagnose this. I'm also...

I have one of the eBay silicone hose kits. 3 layers, just like the silicone couplers that I have for my IC piping, and the upper radiator hardpipe. Inner layer of silicone, middle layer of braided nylon fibers, and an outer layer of silicone. Specific density of the silicone matches that of...

Or maybe the coolant just dried out.

If you put permanent/red loctite on the crank pulley bolt I will curse you. That's what the PO of my engine did, and it was a stone bitch to remove.

Well, put the '90 away for the winter. Oil change, full tank of gas. I still have to put the battery maintainer on, but that's minor.

A used one is probably less expensive and far less intrusive than what you would need to do to make it work. You need to duplicate the functionality of the switch as shown on Page 60 of the TEWD. Might not cost 60 billion double dollars, but I'd guess that if you needed to ask the question...

No way a slight overheat could warp the head enough to have a visible wobble on the cam gear. None at all. The cam would be unable to turn before that happened, and it'd snap or strip out the timing belt. May have broken a cam, but then I would expect it not to run at all. If the coolant...

It is completely normal for brake lights to have constant power. http://www.cygnusx1.net/Supra/Library/TEWD/MK3/manual.aspx?S=Main&P=074

Not entirely true, since it isn't shaft speed that (entirely) determines the alternator output, but the strength of the magnetic fields in the stator allowed by the regulator, or else the voltage would rise out of control if you drove at high RPM without first turning on enough electrical...