Just don’t mix Shell and Mobil oils. Either one is fine, don’t mix. All current engine oils are compatible. No issue whatsoever. What if someone had Mobil 1 oil, but did an oil change and switched to Pennzoil/ Shell? You can bet the new oil is mixing with what was left in the sump. Your engine will...

I assume this is the AW automatic transmission. I assume your leak is from the valve body cover/pan. With these assumptions - It does not run a gasket but uses RTV. You can use a gasket on the transmission from a Nissan Maxima that uses the same transmission model under $10.00 (other cars also use t...

I had the same issue. I disassembled the door module, looked over the circuit board, and could not find any obvious visible issue (like swolen capacitors or overheated parts. I took a chance that the relay was going bad, found a replacement for like $2.00, and replaced it. No dice. problem is somewh...

Once the battery gets weak and the cold weather comes in all kinds of electrical nasties will pop up.

Get a new battery if it is holding 25% charge.

abscate wrote: ↑10 Jan 2019, 05:44 Has to be down on the snorkel near the turbo?

Could be bad HVAC panel too.
If you have a spare HVAC panel (? From junk yard), swap it to diagnose the problem...