Not fitting is the issue, not the Cold Cranking Amps. You want the most CCA you can get in the size that fits. What CCA means is you have more power to crank the car longer before the battery dies.
New batteries need to be charged (the parts store should make sure of that) before installation or else you could/maybe/possibly overload the alternator. Once the battery is fully charged it makes no difference to the alternator because you are still using the same amount of power but from a larger battery capacity.
That being said if someone installed a 550CCA battery (that fit) into your car instead of the 420CCA and didn't tell you, you would never know it. The 550CCA is just a heavier dutier battery.
SOURCE: 97 subaru outback legacy intermitent electrical problem
I would have all the grounds checked. Sounds like it is not grounding properly. This will in turn not allow the battery to charge correctly and will make other electrical devices to operate incorrectly. For example the body ground if not good it will try to find another ground IE the shift cable. This is not designed to maintain a connection of amperage and will allow battery to die. Also will cause problem with cable and could fatigue it enough to break. Just check for good grounds on motor and body. Hope this helps. Good Luck.
SOURCE: I have a 2001 Subaru
I belive it is located on the 4" x 4" black box located by the steering column under dash.
yes it's most likely a alternator problem,usually the internal diode bridge breaks causing all lights you mentioned to come on,if this happens at a idle open the hood and remove green connector on alt.if lights go out you've found the problem
SOURCE: 2000 Subaru Outback manual transmission rebuild
I would want to see that for myself, or get a second opinion. That really sounds suspicious since they claimed there was rust in a box that was mostly filled with oil. And I can't see any logic in paying a lot of money to fix a transmission that is working. Why don't you take it to another shop and ask them to change the transmission oil, and to save the old oil for you to look at. It would be even better to change the oil yourself. Don't tell the dealer what you are doing. The best thing would be to just pick up your car, as is. If it is a scam, they could put some stuff in the transmission if you give them time to do it. In fact, they may have already done that. I can't say it's a scam, but it sounds like it could be if you haven't done anything that would have broken off teeth in the transmission. And if teeth are broken off you should be able to hear it while accelerating at low speed in each gear.
Testimonial: "Thanks for your suggestions. Today we found an independent mechanic recommended on Car Guys web site. We'll talk w/ him on Monday."
SOURCE: Our 2001 Subaru Outback has a vibration problem
This is the only reference I could find among my of TSB's. I hope it is of some help to you.
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