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Discussion Starter · #1 ·
Hi
Hope I can get some good advise here, I have a 99 E38 and a month ago the interior light fuse started to blow every 3 to4 days, I think it operates the washer pump too, can you please advise how to fix, also I had to add some antifreeze every once in a while but some good amount (15 oz) is this normal , no leak at all but sometimes I smell antifreeze, thanks all.
 

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Discussion Starter · #3 ·
Hi
The washer pump works fine when I change the fuse as for the leak I can not find any traces of coolant under the car , is there a specific location that I should look for the leek at it, thanks.
 

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42, The meaning of life
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Have a look at the seam between the plastic tanks at each end of the radiator and the metal section. I have a similar issue on my E38 and its a small leak on that seam. I know I'll be replacing my radiator soon, but it did get me through a hot summer without failing totally. Check your engine oil to make sure it isn't cloudy, but if you can smell coolant, its going to be an external leak of some sort. Remove the bottom engine cover (plastic panel) that you remove to change oil and see if you can spot where it leaks from. Apparently that cover can catch the coolant before it makes it to the ground.
 

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Help from over the pond
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If you can smell antifreeze you definitely have a leak, also along with Brett's recommendations check for a leak under the waterpump (around the central bearing look for rusty residue or anywhere around the pump) and at the rear of the engine where all the coolant pipes go to the heater matrix, also have a feel under the expansion tank around the sensor,coolant leakage normally leaves a whiteish residue and white crystals when it dries so look for this as well, as for the interior lights check all the connections in the puddle lights are nice and tight, this sounds like a short of a connector being loose..
 

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Discussion Starter · #7 ·
For the fuse, it will work and go bad without a single use of the pump I am more inclined to the center-lock or the alarm system, I think it goes bad with locking and unlocking, any ideas.
 

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42, The meaning of life
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I think (not sure) that the puddle lights are the interior lights in the base of each door. Probably called puddle lights because they light up the ground when you open the door.
Activating the central locking turns the interior lights on, you might find that simply by opening the door, or turning the interior lights on without operating the central locking the fuse still blows.
 

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Help from over the pond
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Correct Brett...Puddle lights as they light up the puddles left by the rain...well here in the UK they do Haha!
 
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