it is a straight forward job. a Bentley manual will help somwhat. Remember you will have to discharge the system first, also remember to have a vacumm pulled on the system as soon as possible, moisture is the killer of any A/C system. You will have to drop the rear A/C unit to get to the valve. The dryer is located in the Driver's front wheel well. Two good adjusted wrenches are needed, or even better a good set of wrenches. Take your time a be patient it is more labor than skill. Do not stip the connections. It is a good idea to look over the rear a/c unit, for trash and clean the coil while you are there. Something to think about though,how high is high on his readings. 134a runs higher and is only about 80% efficent as r-12. Did he flush and clean , and change the o- rings and oil in the system? If not ....you prob. don't need the change these parts......my 2 cents...hope it helps |
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