Originally Posted by Jethro_Bob
Originally Posted by philipp10
Ok I'm going to play devils advocate here. I have 3 cars, a 2007, 2008 and a 2010....so all are fairly old. None have ever been serviced. All three still cool decently but far from ice cold. I'm going under the assumption that all basically don't have a gross leak since they all cool. But as we all know, every system leaks some and at 10 years old, they are all probably a bit low on coolant. So what's wrong with going the shade tree hack and adding just a few ounces each. If they improve, probably just stop there. What's the worst that can happen? I end up in the garage for a service?
Where I live, shops advertise the hack job for $39.99, a 15oz can of 134a is about $5 retail. It take all of five minutes to put a hose on the low pressure side and guess with a non temperature compensated gauge. Best case scenario, your paying $400 an hour to improperly repair your car. Worse case, he used stop leak, your compressor fails and a $90 job becomes a $2000 system replacement.
This is why the top off cans with gauge are so handy.
If you have auto history & know it's been neglected & you can read instructions,
you can fire up the A/C system & load it & note performance improvement.
You'll actually be more careful than the service guy with eight vehicles stacked up behind yours.
Originally Posted by philipp10
Ok I'm going to play devils advocate here. I have 3 cars, a 2007, 2008 and a 2010....so all are fairly old. None have ever been serviced. All three still cool decently but far from ice cold. I'm going under the assumption that all basically don't have a gross leak since they all cool. But as we all know, every system leaks some and at 10 years old, they are all probably a bit low on coolant. So what's wrong with going the shade tree hack and adding just a few ounces each. If they improve, probably just stop there. What's the worst that can happen? I end up in the garage for a service?
Where I live, shops advertise the hack job for $39.99, a 15oz can of 134a is about $5 retail. It take all of five minutes to put a hose on the low pressure side and guess with a non temperature compensated gauge. Best case scenario, your paying $400 an hour to improperly repair your car. Worse case, he used stop leak, your compressor fails and a $90 job becomes a $2000 system replacement.
This is why the top off cans with gauge are so handy.
If you have auto history & know it's been neglected & you can read instructions,
you can fire up the A/C system & load it & note performance improvement.
You'll actually be more careful than the service guy with eight vehicles stacked up behind yours.