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Q: how to repair cam seal on 1998 Lexus GS300

how to repair cam seal on 98 lexus gs300
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You basically have to break down the front of the engine similar to replacing the timing belt. Then remove the cam pulleys, then replace the seals. You cannot "repair" the seal.
"Jeff" did a series of videos of the major timing belt service for the 2JZ which includes how to do the seals.
It's a good idea to get a repair manual if your going to work on your own vehicle, and it's never been easier or less expensive to get a high quality manual. Try and you can have one in minutes, for less than $30.00. Read up on the job you are about to perform, it will show you what special tools you will need and you will be much better prepared to tackle any job on your vehicle.
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