Battery Drain

Asked by Jan 03, 2017 at 09:03 PM about the 2010 Land Rover LR2 HSE

Question type: Maintenance & Repair

My LR2 died again last week.  The battery wasn't
even a year old yet.  I took the battery to LR and
they gave me a new one (still under warranty).  I
took the battery back and installed it but my vehicle
wouldn't start because it was in crash mode.  I paid
$86 to have it towed to LR where they cleared the
crash mode, called me and told me it was ready to
go.  I hung up and got ready to leave when LR
called me back to tell me my alternator was bad
and that I was looking at about $1400.00 to fix.  I've
had a persistent battery drain that LR could not
diagnose since I bought it. Of course my alternator
is going to go bad if the battery drains every time I
turn it off.  I submitted all of my info for the class
action law suit but I cannot rely on a vehicle that
MIGHT start in the morning so, I picked it up from
the LR dealership and drove it next door to the
Nissan dealership and traded it in for a Nissan the
same day.  I'll never buy a LR again.

3 Answers

50,735

"Of course my alternator is going to go bad if the battery drains every time I turn it off." Your statement is totally incorrect. Next time you buy something do some research. Land Rovers have a terrible reputation for reliability.

How is this statement totally incorrect? Please elaborate. I will! Every time your battery dies and goes completely flat, the capacity of that battery to store a charge is diminished. As your battery gets weaker and weaker the voltage regulator on your alternator will send more and more current. This causes the alternator to get hot, especially at idle speeds. A constantly overheated alternator will cause the bearings to wear out quicker. I have also read in many LR forums where other people with the same problem have gone through more than one alternator. You're not talking to someone who barely knows how to change their own wiper blades here.

50,735

A drained battery is really not hard on an alternator, but a defective battery (one with a dead cell) never fully charges and that can be hard on the alternator. What was your question?

Your Answer

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