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  1. ZVOLV

    Volvo 240 Diff Issues

    The shims go beneath the bearings. If you did not install them, of course it will be loose.
  2. ZVOLV

    Driveline vibration tracking

    12mm is a lot. It's sure worth a try. I think that would be to REDUCE the working angles of the u joints. I know on my wagons when I had a lot of weight in the back I would get vibrations due to the increased angles. What you DON'T want is a zero degree working angle because then the u joints...
  3. ZVOLV

    240 Fuel Accumulator Question

    I have a B21FT fuel system for sale for $100 that was known good working order when it was pulled due to the car being rear ended. https://turbobricks.com/index.php?threads/free-b21ft-short-block-240-turbo-engine-components-for-sale.377005/
  4. ZVOLV

    Rex-Regina IAC (1389557)

    84B23F (aka Kansas) may not be around here anymore. He hasn't logged in since Jan, 2024.
  5. ZVOLV

    I turbo is bad on my 1984 760 Turbo and I need help on what to do next

    The turbo isn't bad. It is just oil from your PCV system.
  6. ZVOLV

    lightly modified 1994 940 Turbo: Rough Idle

    It is a misfire? You can put your hand over the tail pipe and you can tell if it's a dead miss. Or unplug an injector one at a time and see if there's a dead cylinder Or maybe it's just your intake rig causing the problems
  7. ZVOLV

    Tricking Regina +T into retarding timing under boost?

    IDK what happened to him. No login since Feb 2024. I sent a message asking if he's ok and never heard back...
  8. ZVOLV

    Tricking Regina +T into retarding timing under boost?

    Dubstep. Yop yop yop
  9. ZVOLV

    Regina no start

    Ok. Well, OP hasn't logged on since Oct 8, 2024 so this one will likely just be another dead thread with no resolution. At least now I know Regina has that relay. We didn't get Regina cars in California so I don't really ever see them. A few here and there in the junkyards, but I haven't...
  10. ZVOLV

    Driveline vibration tracking

    Who is Reed? I got to play with a reed tachometer in class. We then punched the data into a worksheet and did a little math and could determine first order, second order vibration, etc and which component is the source of the vibration. There are also electronic vibration analyzers out there...
  11. ZVOLV

    Driveline vibration tracking

    Did you make sure the driveshaft halves are indexed correctly? The arrows are probably long rusted away, but there is an arrow on each half of the shaft. One member here got his vibration to go away by cutting out some of the rubber in the outer diameter of an aftermarket center support. Maybe...
  12. ZVOLV

    b234f automatic timing belt tensioner 3531187

    Be ready to find the balance shafts puking oil and NLA components down there.
  13. ZVOLV

    240 Understanding ATF Viscosity for AW70/1

    Reported! Damn AI bots
  14. ZVOLV

    Stock 1993 940T = 16mpg. combined highway/street driving with a light foot .OMG Don't stop I'm almost there!

    I usually get 225 miles from a 15 gallon tank on my bricks. That is 15 mpg.
  15. ZVOLV

    Upgrading to AW71L and can't identify my own (maybe AW71, maybe AW70) transmission

    Pull the torque converter and look for fluid passages on the input shaft. The holes will also be in the converter if it's a lockup. That's how it locks up.
  16. ZVOLV

    XC70 no start, red triangle of death, abs light, check engine light

    Sounds like the module is shorted out and taking down a data line
  17. ZVOLV

    XC70 no start, red triangle of death, abs light, check engine light

    I wouldn't drive with a unplugged connector. If water gets in there, you are screwed. You could at least bag it and tape if off tightly if you really need to drive it. That's great that somebody already pointed you right to a common source of the U code.
  18. ZVOLV

    Water in driver footwell

    It's for a manual vent for euro non AC cars. On most cars it's sealed up with a plastic plug which can leak. I always seal mine up with a huge bead of RTV.
  19. ZVOLV

    1988 740 wagon relay question

    Volvo wiring documentation isn't always accurate. The wiring colors change over the years and models. Most of the stuff you find will be for Euro versions of the vehicle. I don't know what relays are named each letter. Just be prepared for the printed information to be wrong for you vehicle.
  20. ZVOLV

    1988 740 wagon relay question

    Relays don't pulse injectors.
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