No heat or A/c on 1998 Toyota RAV4

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I've already submitted a question concerning the RAV4 overheating - engine light comes on - thermostat was replaced - sensor replaced - gas cap is ok - still overheats. When the thermostat and sensor was replaced - car ran ok for about a week and then wham - engine light back and on and temp gauge shot through the roof - when the thermostat was changed - there was no A/C???? - don't know if it's all related HELP!!!
(3) Answers
(3) Comments
Really need to get the check engine code, it may or may not be related to the over heating issue.
Also, like I said in the first answer, make sure that your cooling fan is working and then do a chemical block test to ensure the head gasket is still sealing properly.
Will follow through - just got home from work - almost home -I work 54 miles away from my home. When I started my 04 Ford Focus (181k), I noticed that the engine sounded "rough" like it was knocking - I thought I better get that checked out. Made it to the McDonalds - .5 mile away from home - in the take out line and I felt all the power fading - car went dead - I tried to start it got a terrible screech and it wouldn't start again. Electrical ok - could I have thrown a rod - 2 guys help push me to the parking area and said Happy New Year. I thought now this and the RAV4???? Any help ?
Hello gbgoul,
I agree with dandd. First I'd retrieve the engine's trouble codes registered in the vehicle's computer to properly diagnose the problem that triggers the CEL. Inoperative cooling fan could cause a rapid engine overheat.
2 relays were changed - car ran fine for first day - 2nd day it ran hot again. I barle==ely made it home - had to run heat at max to get home now what - I'm stumped.
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When Engine Computer detects overheat condition it will disable AC System.
How does the system enable the AC system to come back on?