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    lexus ls 400

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  1. Unless your engine has severe blow-by, you will gain no goodness from this change. Besides, that it what Seafoam is for. You want to "wreck" that great smokey experience? Up until the early 1960's, a pipe called a "road draft tube" was used on all cars just as you are thinking. It put oil on the road along with the unburned hydrocarbons. Of course, engines did not fit as tight (machining-wise) back then so there was a LOT of blow-by going on compared to modern engines. Interesting read here -> Hmm, i guess ill just pick up a new grommet at parts source . I was always afraid of seafoam because i have 205 000 miles.
  2. well the reason i was thinking to do this is because the crankcase is pumping carbon burn off into the intake manifold...wouldnt this gunk up the car, and by doing this mod extend the life of the engine?
  3. So i was thinking, the vent that the PCV vavle plugs into sucks up all the crankcase exhaust...doesnt this all get recirculated? Since i dont have emissions where i live couldnt i just vent the PCV tube to somewhere under the engine venting the exhuast outside?
  4. You need a two part leather cleaner/conditioner in two seperate products (mothers) go buy yourself a soft bristle brush and go to work.
  5. Dirty fuel injectors might be contributing to this problem. I encountered similar symptoms on my 2002 LS430 which were cured after injector cleaning. Since then I pour a bottle of a good fuel injector cleaner into the tank before a long trip every few thousand miles. Also, don't try to save a few bucks by using half premium and half regular gas. Agree that the fuel filter should be changed if not done so as suggested in the maintenance schedule. I also noticed after changing the plugs/wires, dist. caps and rotors that the car provides much smoother acceleration. You might want to check this out as it seems like something people neglect on these cars. Mine were the original from 92 :whistles: Here are a few other things to check: Air filter Pcv valve (just clean it with a toothbrush but you need a new grommet and a pair of tweezers) egr vacuume filter Let me ask this though, how does the car idle?, pretty rough?
  6. I workout 6 days a week and count my calories eating mostly organic food and clean protein sources, so why dont you tell me whats healthy when you put down your fast food hamburger and suger filled soda, i completely cut sugar even in coffee. If i want to enjoy some smokes on the weekend why the hell not. I got a longer breaker bar and got the driver side bushing in, but the passenger side....I broke the trailing arm/strut rod in half where it connect's to the knuckle and stripped the bolt to boot, i welded up the strut rod as this is my daily driver and im driving very cautious now. As soon as i find a strut rod i will replace it with my dads help (sometime this week), as well as grinding the bolt off and putting in a new one.
  7. I put alot of pressure, i tried everything. The bolt is just stuck, not to mention i don't think i bigger bar would help as i doubt it would even fit. Any suggestions on where to buy new bolts?, i find this very hard to believe that on 1st gen ls400's more people don't run into this issue.
  8. you know its a little hard to type with mechanics gloves on sitting in a shop with my laptop and impact gun in the other and a cigarette in my mouth. btw not helping. For the record trailer park boys give canadian's a bad name.
  9. im trying to remove the rear carrier bolt to remove the rear axle carrier bushing, but the c@&$ s@&! is seized and everytime i try and hit it with a hammer it bounces back due to the rubber bushing absorbing shock. Can anyone help me??????????????
  10. There is no reliable way to tell how many miles are on the timing belt from a visual. The good news is that your 92 is a non-interference engine so if (when?) the belt breaks, it will not harm your engine. Just leave you stranded. All in all, not a bad deal. B) haha nice, so its true than. Working on this car is a real pain the !Removed! though, i wont lie. i would hate to do the timing belt
  11. Alright, yeah there are some belt tensioner pulleys on ebay from refudable brands, ill probably get one. Hey is there any way of knowing when the timing belt was last done? It looks pretty good no visible cracks or frays but im not sure.
  12. Only you can decide if it is "worth" it. Given the 200k miles, the issues you describe are normal. And think about what would be a good replacement car. It is not going to be cheap. I know it seems endless and difficult to repair but you are gaining valuable experience in the process. I get a sense of pride, accomplishment and a tremendous confidence boost when I tackle difficult jobs. I would keep plugging away at the issues. Knock them out one-by-one. It is almost always cheaper to repair than replace the vehicle. The LS is built like no other. well i did replace the distributer caps and rotors today and just like the spark plug wires (which were laser etched 1992) they were the original or at least very old, A real pain though and had i expected it too be so complicated i would have allocated extra time. Your right though, i have learned a lot from this car about suspension and engine components. However, I believe when i was spinning the fan clutch assembly and the tensioner pulley they both didnt seem that smooth. I think its mostly the tensioner pulley, where can i get a replacement bearing?
  13. Sounds like a simple fuel filter, How does your air filter look?, also take apart the throttle body and see how dirty it is aswell as the mass airflow sensor.
  14. yeah ive looked at this, prior to this car i had very little experience. This car has taught me alot of suspension and the likes. Honestly if this was not my daily driver i could do it but since it becomes very difficult. At any rate my motor mounts need to be changed first i think.
  15. I guess it would be good to clear up the ambiguity of "right side of the engine". Normally, the "side" is as referenced from the driver's seat. So "RHS" would mean the passenger side of the engine compartment. A really simple test for squeals is to spray a little (very little) lubricant like WD40, or silicone or teflon spray onto the belt while running and see if the squeal is affected. If so, its the belt. If not, you will have to "catch" the noise with a stethoscope or careful directional listening(very tough, thats why a mechanics steth is important for pinpointing noises). From your description, it could be the idler pulley. Some have also reported the fan clutch bracket pulley as making noise and needing replacement especially if you have a lot of miles on it (>150k). How many miles on your 92 LS400? its more of a rattling than a squeling, like a bearing. 200 000 miles. So the idler pulley is the one next to the power steering resevoir? Honestly i love this car but all these picky small things like this are a PITA. Is it really worth it to replace all this, or should i just sell it?, so far i did my upper control arms myself, lower ball joints by the mechanic as i didn't have time, a bunch of small stuff not worth mentioning. Today im draining the rad to get to the distributer cap and rotor. Also i need motor mounts was hoping to do myself but it looks complex....I need brakes and rotors too. so again is it really worth it?, my dad keeps saying im putting so much money into it and it will break down. so i guess what im saying how much is this car going to cost me to keep it for the next little while?
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