XC60 automatic: Can I replace an AGM battery with EFB one? - Page 2

Washwipe · Apr 19th, 2021, 14:10

I’ve been told that the charging of a standard battery is different to an AGM battery.

Guu · Apr 20th, 2021, 21:42

So my outcome was that I returned my first battery and ordered an AGM replacement. The seller halved the courier charge for the return. Overall I roughly broke even if I compare to Halfords off the shelf price.
The retaining bolt is usually the fiddliest bit on any battery change. On an XC60 there is more space to work than on other cars I've done and the bolt is connected to the plate so it can't fall and get lost. The battery bay is also self-contained so, again, no potential for bolt falling down inside the engine compartment. There was still a gotcha though - the bolt just refused to take to the nut. I took the battery back out and tried the nut and bolt together - they were fine, no stripped threads. When I tried again with the battery in situ the same problem happened again. I finally realised that there was a safety pamphlet glued to the nearside of the battery and the thickness of 4 sheets of folded paper was enough to stop the bolt and nut from lining up. Once that was removed, the bolt tightened up fine. Just a cautionary tale for anyone else reading this!

Guu · Apr 20th, 2021, 22:13

Quote:

Originally Posted by MacV50

Since changing, I have noticed that MPG has improved. I'm assuming this is because the battery isn't being constantly charged so the load on the engine is less

The Volvo manual states:
"The higher the current take-off in the car, the more the alternator must be working and the batteries charging = Increased fuel consumption."

Apr 19th, 2021, 14:10	#11
Washwipe Junior Member Last Online: May 6th, 2023 21:45 Join Date: Aug 2020 Location: Here	I’ve been told that the charging of a standard battery is different to an AGM battery.

Apr 20th, 2021, 21:42	#12
Guu New Member Last Online: Aug 28th, 2021 14:00 Join Date: Mar 2019 Location: A north-west town	So my outcome was that I returned my first battery and ordered an AGM replacement. The seller halved the courier charge for the return. Overall I roughly broke even if I compare to Halfords off the shelf price. The retaining bolt is usually the fiddliest bit on any battery change. On an XC60 there is more space to work than on other cars I've done and the bolt is connected to the plate so it can't fall and get lost. The battery bay is also self-contained so, again, no potential for bolt falling down inside the engine compartment. There was still a gotcha though - the bolt just refused to take to the nut. I took the battery back out and tried the nut and bolt together - they were fine, no stripped threads. When I tried again with the battery in situ the same problem happened again. I finally realised that there was a safety pamphlet glued to the nearside of the battery and the thickness of 4 sheets of folded paper was enough to stop the bolt and nut from lining up. Once that was removed, the bolt tightened up fine. Just a cautionary tale for anyone else reading this!

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