My system still has a leak and I have narrowed it down with an electronic leak checker. The only place it goes off is in the cabin next to the vents so I am thinking this persistent leak is the evaporator. A mechanic friend told me that it is too hard to replace an evaporator at home. Is his advice correct? Does anyone know where I can get the procedure for how to physically remove and install the new evap core? My car is a 97 Bonneville. I will buy evaporator part 27-30470 from ACKITS.com
well, you can look and see if its accessable from under the dash, remove all the kick panels and try and remove as much as possible. If not complete removal of the dash is nessesary, with it out the evap replacments really easy! Count on 8+ hour job
1990 Pontiac Turbo Grand Prix
1990 Pontiac 6000 LE V6
Both have R12 A/C
Dash removal.......only way...
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
I thought on a 97 bonneville the evap was under the hood??? mitchell gives 3.2 hrs???? (with out evac and recharge) not a bad job at all ... but I dont see them leak or give alot of problems here!
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