I am reading/ experiencing/ hearing/ seeing frequently about A/C compressor issues in Corolla post 2002 models (Almost within all variants Launched in Pakistan plus the Imported ones too).
So @hash4u is right, almost > 90% of all Corolla models post 2002 have after-market compressors and mostly are Toyota Duet/Terios Kid etc. while after lift up of Lockdown of Covid-19, A/C markets in Karachi, Islamabad & Lahore are flooded with Mitsubishi Compressors so A/C walas are happy in swapping those.
@Xulfiqar ,Right now used/ old/ Kabuli Mitsubishi Compressors in Pakistan are between 12K to 15K while these Terios Kid/ Duet(Denso brand) compressors are between 17K to 25K.
Gas charging and associated Labor charges are ranging between at least 4K to 7K in Karachi.
I am too disheartened to see this situation. Tried to compiled little sort of research in finding the basic reason behind those failures but could not complete it due to lack of time. Hope to get more time soon in future so that i can send emails to HVAC Manufacturers or at least to Car brands in Pakistan for pointing out this issue. Till now, 2 major factors what i have observed or reach out findings by discussion with more than 2 dozens of A/C walas of KHI and LHR:
1. Clogged Condenser due to Dirt, sand durst, mud.
Of course due to poor road conditions in whole country but specially in Sindh & Balochistan, too much sand durst, dirt particles, micro waste materials are causing Condenser clogged almost daily. As per A/C walas, this factor contributes in high pressure disturbance which later i=on ended compressors,
2. High pressure Engine/ Compressor washing by Water
For countering point 1, we are simply rushing to service stations where Labors used to pressure wash whole engine by high jet water dispenser pipes and particularly wash A/C Condenser and Compressors to make it clean from dirt and dust. (This includes service facilities at 3S Dealers too).
In this practice, water/ moisture used to enter these Compressors and causes severe damages Later on. These rotary/ screw/ scroll type/ pwm valve based Compressors are very sensitive and this moisture and water washing is causing them bad otherwise they can run for more time.
3. Dirty Car floor mats which are filled with tons of dirt and dust due to our shoes running daily on broken roads are also causing cabin filter and other a/c components choked.
@pwuser14958616851 you can contact Dmotorsports @dani_kk
or @rajaatta in RWP/ ISB for your A/C issues.