landar

1992 Starter Replacement

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6 hours ago, billydpowell said:

Craig, sorry it didnt work for you, mine is still going strong..

I did not have an issue billy, I was responding to the previous poster.

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On 2/14/2018 at 4:52 PM, Ronstang66 said:

Starter on my 92 went out back in 2009, little did I know how intensive the replacement process. Luckily mine was just burnt contacts which cost me $5 to replace.....unluckily my car has never run correctly since and sits now 9 years later. It runs but has a miss I cannot pinpoint. 

The plastic on all the wiring was so brittle many connectors either disintegrated or broke to some degree. I had to replace all the injector plugs. The worst part was the intake was so warped it wouldn't seal.....and it's a known issue since there is a warpage tolerance in the Lexus manual.... DOH!! Fixed that issue by taking the intake to my machine shop and fly cut it all perfect. 

Once the vacuum leak was fixed it still did not cure the miss. Since I had to take it apart all over again I decided to replace the timing belt, belt tensioner, water pump, both distributor caps, rotors, plug wires, and spark plugs. The engine has perfect compression across all eight cylinders even at 138K miles.  Engine is perfect but the car still had a miss so all I can assume is it's electica. 

I never was able to pinpoint the issue so the car just sits.  I've been working on and restoring cars since 1977 and I've worked on hundreds of cars and this is the first one I was never able to identify or correct the problem.  I can't see how you guys can work on these old Lexus cars these days as all the plastic under the hood turns to dust, and my problem was 9 years ago. 

I'm sticking with my classic cars, they don't have electronics to fail and leave you with a perfectly good car mechanically that is now useless because of the failure of a part that a not available or simply not traceable. 

Now I need to just get rid of this car, sad because it was a nice car at one time. 

I have a 98 ls400 with a 1uzfe and just last year i encountered this same problem. On a cold start it ran well until the motor was at operating temperature then would drive like s#*t as if it was mifiring. A few times the vsc light would come on check engine light stayed on. So i took it to my local shop found an air leak on the intake box, changed plugs, did a compression test all cylinders passed. Put it all back together and still did the same thing. I took it to another one of my mechanics who had a better diagnostic computer codes came back and said faulty vvts (variable valve timing solenoid) replaced those as well as removed the valve cover and cleaned the screens. I must say for 400xxx miles there was not any serious sludge. Put it all back together and still same problem. Later i changed timming belt ,tensioner, idler, guides even put new vvt cams in. Problem still continued, my buddy had a ecu that we tested and problem continued to occur. So as of rii now car has been sitting for close to 2 years not sure if anyone knows the problem

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Thank you for sharing. I hope that I won't have to do this. 

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