Unfortunately it wasnt my first time pulling a t5 motor. Had the old out 4 months or so back for the manual swap and an overhaul and long story short... it leaked from new rear main seal after i reinstalled the motor and i had to pull it a 2nd time. So went much faster this time even wirh pulling do...

most ALL of the vacuum lines !!

Temp sensor does affect consumption, starting and drive-ability as it tell the engine how much fuel to add based on engine temperature. If it is reading in the normal position on the gauge then chances are it is ok. If it is slow to respond or reading low there may be an issue and need replacing. Yo...

But you should have two o2 sensors.
Volvo Ect is SWF(Valeo)....only aftermarket i would use is Vernet.

It is a spare, they both AW50-42 transmissions.

I changed mine about 2 years ago. I think it did make shifting nicer in winter.

I used Valvoline synthetic gear oil - its a pretty big odd size bolt - maybe a 21 or 22mm?

I changed mine with an engine swap at about 229 k. Oil that came out was, according to my mechanic, pristine. He said he wouldn't have changed it. I don't think you'll hurt anything (but I used the ridiculously expensive Volvo gear oil) -- I would have sold Steve my used stuff. . .

When I did the clutch replacement in my old '96 GLT, I used Redline MTL in the trans. I've had good luck with it in other vehicles in the past, and it seemed happy with it.

I had about 230k on mine when I changed the clutch and changed the fluid at the same time. Volvo wants a GL4 and I used a Royal Purple that said GL4 on the bottle but it was actually GL5 that covers the GL4 spec. The only issue I had was that it was "notchy" when it was cold and I think th...

You can have an open circuit and still read full continuity. The problem is the wiring breaks inside the sheath, it will show a complete circuit when the car isn't moving but fluctuate open/closed when the car is actually moving. They're the only wires on the car that move when the car does, they br...