Top 20
2003 Lexus ES 300 Questions & Answers
How to change the alternator - compressor belt on a 2003 Lexus ES300
NO engine told of 7, and is an engine question wow hard. that.
the service manual covers that.
https://eautorepair.net/Marketing/Default.asp
did the belt fall off, not told , the story.
all have tensioner that must be retracked
2 kinds, fixed bolt kind
or, the spring loaded kind and to be frank we make sure is kind is not bad first. if there at 19 years old.
called the main front drive belt system. (not cams)
I am not answering for all 7 sorry.
all we do is look at it. see what tensioner is there,
if spring type we retract it with a beaker bar socket drive. per the manual told in services manuals
if not spring type out comes my tension tool and per spec, do that.
Lexus problems
Adjust the rpm, near the throttle body. Or clean the throttle body. If neither of those work, look into the idle air control valve.
Catalyst evaporative system
No such thing. Are you confusing the catalytic converter in the exhaust with the evaporative emissions system that routs fuel tank vapors to a charcoal canister and then into the engine to be burned?
The catalytic converter just takes the exhaust gas through it, and by a chemical reaction with the rare metals in the converter acting as a catalyst, it burns most of the remaining hydrocarbons (unburnt fuel) in the exhaust for a cleaner, less polluting exhaust.
My lexus es300 2003 a/c light keep flashing
The problem may be low Freon, has it been pressure tested to see what the system pressures are? If not sure try adding some freon yourself using a a/c recharge kit available at most autoparts stores, just follow the instructions, if you are sure freon pressure is ok there may be a problem with the a/c clutch relay, it's located in the fuse box under the hood, all relays and fuses are marked on the inside of the cover, look for the 'MG/CL relay and try replacing it. Other than that there's not much more you can do yourself and it will require a professional using some specific special equipment to check the system.
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