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  1. GONE Electronic Climate Control - no temperature fan

    GONE, Not sure how to delete the thread.
  2. Probably can conclude hydraulic pressure is...

    Probably can conclude hydraulic pressure is available briefly 1 out of 20 shifts and quickly fades. Tapping the tranny pressure ports would be more definitive of course. Dipstick show any...
  3. No pressure sensor internal to this tranny that...

    No pressure sensor internal to this tranny that I'm aware of. If there was, TCM can probably do better adaptation and we'd be able to do much better diagnostics.

    I guess TCM adaptation probably...
  4. ditto, sounds like no hydraulic pressure. I've...

    ditto, sounds like no hydraulic pressure. I've seen these trannys die due to clogged internal filter screen preventing fluid flow. When this first happens, the tranny may work again briefly if left...
  5. Ok, ruled out MAF, see if you can find someone...

    Ok, ruled out MAF, see if you can find someone with Volvo diag tool (VIDA DiCE) and run an ETM sweep test to see the condition of your TPS. TPS is a contact based resistive strip that measures the...
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    Really great summary. On the Tesla Model S, I...

    Really great summary. On the Tesla Model S, I think I can actually see the aggressive camber angle of negative ~2.5 degrees (or maybe its my imagination since I know the problem is there haha). 21"...
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    Make sense negative is generally better with a...

    Make sense negative is generally better with a tiny bit wider stance. I've had one experience where newly installed tires caused a heavy pull to one side (I recall quite common with new tires on P2s...
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    Toe is super easy but hard to get super precise...

    Toe is super easy but hard to get super precise at home, here is what I do

    - layout 2 straightest 2x4s in front and rear of the car on jacks, tie a string on both car side
    - check distance...
  9. Cleaning won't do much if common TPS failure....

    Cleaning won't do much if common TPS failure. Cheapest solution is to buy Sacer SA-300 TPS kit (~$100 on ebay) and rebuilt it yourself. Its what Xemodex use for rebuild. If you can find a Volvo diag...
  10. 01 ETMs fails at around 100k miles YMMV. Link in...

    01 ETMs fails at around 100k miles YMMV. Link in my signature has ETM info. White sticker = original, yellow sticker = replaced. That would be a good starting point.
  11. Since you have 2001s with known ETM issues, what...

    Since you have 2001s with known ETM issues, what is the ETM status? (rebuild? replaced? if so, how many miles on current ETM?)
  12. Replies
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    I know of only 3 electrically controlled valves...

    I know of only 3 electrically controlled valves around air box that can probably buzz. TCV (attached on the air box), ABS is under it but towards the firewall, and EVAP purge valve (buried near...
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    Fuel rail is pretty easy, I had similar worry as...

    Fuel rail is pretty easy, I had similar worry as you the first time. Tips are bleed the pressure via schrader valve on the fuel rail and have a fuel disconnect tool. Injectors all mount on the intake...
  14. Might also want to take a look at the CBV besides...

    Might also want to take a look at the CBV besides TCV. Here is a diagram

    https://www.matthewsvolvosite.com/forums/download/file.php?id=22310

    Diagram doesn't show rest of CBV bypassed air path....
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    Interesting, just contrasting the the boost...

    Interesting, just contrasting the the boost pressure vent design with a couple of Audi Turbo engines I've been working. Audi runs the whole PCV system in the head (filter out oil, route pressure to...
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    On a 180k mile 2000XC I worked on, the aluminum...

    On a 180k mile 2000XC I worked on, the aluminum tube air channel in this big expensive L hose looks about 1/4" ID. I kept flushing some carb cleaner through it and it kept on coming out dirty....
  17. Should be pretty close to this one for the S40...

    Should be pretty close to this one for the S40 but this diagram is missing the brake booster lines.

    http://i.imgur.com/zwrN3.jpg

    Key circuits in this diagram are

    - 3 TCV (Turbo Control...
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    Great to see FirstVolvo still working on Volvos!...

    Great to see FirstVolvo still working on Volvos! He gave me some parts to repair the 01 ETMs back when the problems were starting to appear. Many thanks.

    I helped a friend with an 02 V70XC a few...
  19. Should be 85-90C after 10-20min drive from my...

    Should be 85-90C after 10-20min drive from my prior observation with VIDA. This is basically the thermostat opening temp as ATF cooler is sandwiched with radiator and basically a heat exchanger.
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    If you've not flushed ATF, do that first. 2...

    If you've not flushed ATF, do that first. 2 gallons of 3309 compatible Valvoline Maxlife ATF ($18/gallon at Walmart) works fine on this tranny and will flush out 90%+ of old ATF. Flush is very easy...
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    Lower viscosity when ATF gets hot exposes...

    Lower viscosity when ATF gets hot exposes hydraulic channel leak issues in the valve body. This prevents proper fluid pressure necessary to direct the mechanical shifts smoothly.

    What is mileage...
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    2 most likely sources are 1) oil filler cap...

    2 most likely sources are 1) oil filler cap gasket, these get hard over time and doesn't seal well. Easy to replace and inexpensive 2) PCV as mentioned since it has a tube that goes right on the top....
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    Good suggestion since we've seen frying the CCM...

    Good suggestion since we've seen frying the CCM with battery removal and install sequence is not followed. Not as simple as one expect. Definitely cover up those starter connections with a towel...
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    First time for me was PITA, fan off and...

    First time for me was PITA, fan off and everything. A few more times later (when I was experimenting with modifying ETM with a contactless throttle position sensor), no fan shroud removal and 15min...
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    Turbo charged cars have much more complex PCV...

    Turbo charged cars have much more complex PCV system than a simple valve which is why the OP paid over $700 for replacement. Search for PCV in the following link for an explanation on this engine's...
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