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mrberl

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  • Lexus Model
    1999 RX300

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  1. Thanks for your input. That's exactly what I've thought. -mrberl I don't know if the 99 alternator is dimensionally identical and attaches in the same manner as a 98 but I will go in the defense of Toyota/Lexus in their choice of alternators. They chose a 120 amp alternator for a reason. Going with an alternator with reduced capacity MAY mean that under really high loads, your demand for excess power comes off of the battery. If that happens, then you get reduced battery life. Those conditions MIGHT happen on the proverbial dark and stormy night when you are running headlights, wipers, fan, a/c, etc. In the classic car world, some of our cars came with 35-45 amp alternators because we have so few power accessories. As guys and gals mod their cars with aftermarket stereos, a/c and such, the demand on their alternators is too much and they buy alternators with increased output. If I were in your shoes I would rebuild your existing alternator or buy one of the proper amperage. Just my thoughts. Gary
  2. Does anybody know if I can use a 100 AMP alternator (99 RXs that were manufactured after 7/98) in my 3/98 RX which comes originally with a 120 AMP alternator ? Does it really matter ? Any input is appreciated...
  3. Thanks for the reply. Just wanted to clarify a few things - is it basically just "stuck" there in the big bracket ? Also, how shoud I go about putting the new one in? Do i also have to "hammer" it lightly into the bracket ? Please let me know.... Thanks!
  4. Hello everybody Today I tried replacing the alternator with no luck. I removed all 3 bols (pivot bolt + 2 long bolts) and the alternator is moving up and down but it doesn't come out. It seems like there's something holding it, but all the bolts are out. Does it have to be hit really hard for it to come off its position ? Please help... Thanx in advance! -Mrberl
  5. That's what I figured as well. I was afraid of the sludge problem and that's why I switched to synthetic. I don't mind adding 1/4 to 1/2 a quart every once in a while but having the peace of mind that there won't be sludge (or very minimal). In fact, I just looked today underneath the car and there's no visible leaks anymore (where there were leaks before). I checked right after I took a ride of about 30 mins. Does it make sense ?
  6. Hey everyone, I have recently purchased a 1999 RX300 and for the past 2000km (1250 mi) I have been running on Mobil1 5W30 Synthetic oil. I have just taken a look underneath the car with a light and I see some oil leaking in between the seals in various places. The engine has 151,000km (94,000 mi). Any suggestions? should I switch to a different weight synthetic oil ? should I switch back to dino oil ? any input is appreciated! -mrberl
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