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vyhanh

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Everything posted by vyhanh

  1. There are two possibilities: - Serial - Parallel If you hook up your speakers in serial, you add their impedances. example: 2 + 2 = 4 ohms example: 4 + 4 = 8 ohms If you hook up your speakers in parallel, you add their inverses. example: 1/(1/2 + 1/2) = 1 ohm example: 1/(1/4 + 1/4) = 2 ohms Since you have two identical speakers (and not more), this can be simplified as follows: Serial => multiply impedance by 2 Parallel => divide impedance by 2 How to hook them up: Serial: Amp + to Speaker A + Speaker A - to speaker B + Speaker B - to Amp - Parallel: Amp + to Speaker A + and Speaker B + Amp - to Speaker A - and Speaker B -
  2. Hi, Thanks for all the replies. I am going to purchase the sensors (2) from Autozone but am still waiting for the detailed location (somewhere near the transmission). I requested Lexls to reply but no luck so far. Thanks VH
  3. Try changing your Vehicle Speed Sensor #1. Autozone sells them in pair ($90)
  4. Hello Denny (VBDenny), Could you or someone explain/show how to replace: 1. Vehicle speed sensor #1 2. Both oxygen sensors 3. Engine and Trans mounts TIA VH 91 LS400 170K
  5. I believe that it may be the radar detector if you have its control in the middle armrest
  6. Is it also happening when the radio on?
  7. Thanks to LScott400 for quick reply. How hard is it to replace both ? TIA VH
  8. Hi, Could somebody post picture or describe in detail where the speed sensor is located on 91 LS400 so that I can replace it using sensors bought from AutoZone? Thanks VH
  9. Hi, May I repeat that I just turn the key to the starting position ie. as if you only want to see the various indicators on the dashboard but NOT turning the engine over. Whenever the key is at this position but not yet turning the engine , I hear the clicks.
  10. Hi, Been following this thread. Could anybody tell me about this issue that I have: When I turn the ignition key to the start engine position, there is a 'click...click...click..click' in the engine bay (I think near the TPS or the Trac Position cover) for a few seconds (2-4 secs). What may cause the clicking??? Could it be the starter showing its problem? Thanks VH 91 LS (170K miles)
  11. :chairshot: Just looked at the manual: DEXRON II/III ATF. Bought Mobil 1 ATF+4 at WalMart and filled up. When weather warms up, will drain reservoir fluid, clean solenoid, screen..... Any instruction? VH
  12. Hi, Big confusion: I called 2 Lexus dealerships (Wayzata and Maplewood) Wayzata said can use Dextron or Toyota ATF+4 but Maplewood said a big No just regular P/S fluid Any help? TIA VH
  13. Hi, Thanks for your reply. Every little bit helps. I will check with Lexus Service dept. Have a wonderful Xmas / New Year everybody VH Oh geez, it was about 4yrs ago. If i remember correct the part was "only" 90-120$ I had the luxury of having a cetified toyota guy who worked off the clock back then. What i do remember was it was removed and replaced from under the car, not to mention he did this in his driveway! Unfortunatly he has since moved so i can't reference him on the details. I would call lexus service and ask about the part and its location. I'm sorry it's so blurry, but i hope it helps:)
  14. Hi, Can you provide more details about the idle speed sensor ? eg. price, where to get it, what does it look like, where is it on the car, easy to replace? Thanks VH 91 LS400
  15. Hi, My son's 91LS400 CD led is not working ie. at night, you can see other butttons (FM,Tape...) lighted but not the CD. Does each button have its own LED or something else? Thanks VH
  16. You can find it in the LEXUS Repair Manuals which come in 2 volumes, costing about $150-200.
  17. Hi, If after all you have tried without dismantling the door panel, then this may relate to a loose nut (or it fell off) behind the door panel. There was a thread about this long time ago. There is a web site (to do with stereo install) that shows how to dismantle the panel. I have the manual, removed the panel and found 2 nuts that fell off and caused the squeaks. Good luck VH 03 BMW X5 4.4 (10K) 99 ML320 (65K) 91 LS400 (167K) 92 Prelude 4WSi (65K) 91 Galant LS (165K)
  18. Hello to Admins, Why do I have 5 blue marks warning against my login? Thank VH
  19. Hi, Except for paintwork, you can shop all parts on eBay cheap. I replaced my son's 91LS400's: 1. Passenger headlight assembly 2. Wheel molding (along wheel well) For sure, DIY and parts are lot less than $2300 !
  20. Hi to ThreadCutter and Cardona, Thanks for your comments. Gas prices are falling.... I should use the bimmer now VH
  21. Hi, Do you guys think that I should be driving my 2003 BMW x5 4.4 more (it currently has 10000 miles) ? VH 2003 BMW X5 (4.4) 10K 1999 ML320 66K 1991 LS400 167K 1992 Prelude 4WS 60K 1991 Galant LS 165K
  22. Hi, Is it a 'distant or close' relative ???
  23. Hi, My son's 91 LS400 above meters stopped working last night. I hit the panel and the dashboard hard to no avail. Any ideas? Oh by the way: the "O/D off" warning also flashed permanently now. Car otherwise is going ok. Thanks a bunch VH
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