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sprinkles08, ASE Certified Technician
Category: Lexus
Satisfied Customers: 22832
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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Hot air from air conditioning system & timing belt.. It

Customer Question

Hot air from air conditioning system & timing belt.. It supposed to be permanent.. I don't know why having thus issue...
JA: How many miles are on the car? Have you noticed any odd squeaking noises?
Customer: Not really... Mileage is 160,000
JA: What is the model/year of your Lexus?
Customer: 2008 rx 350
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Just happened.. & I don't know what to do
JA: Anything else you think the mechanic should know?
Customer: Changed the coil
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Lexus Mechanic about your situation and then connect you two.
Submitted: 1 year ago.
Category: Lexus
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

There are many things that can cause the a/c to blow hot air. The problem could be with the compressor itself, a restriction in the system, the control head, an inaccurate pressure signal, evaporator or ambient temperature sensor signals, or charge may be low. The most common cause for an a/c performance issue is low charge.

Does the compressor engage?

Customer: replied 1 year ago.
It works again..i unbuttoned the AC. What about the chain belt sign? Isn't it supposed to be permanent?
Expert:  sprinkles08 replied 1 year ago.

Can you elaborate on what you're seeing?

Customer: replied 1 year ago.
Check Engine light was on. So I asked a mechanic. He told me that there's an issue with my chain belt.
Expert:  sprinkles08 replied 1 year ago.

What P codes are setting?