Quote:
Originally Posted by PabloX
On my car at least, the headlight washers are driven off the same pump as the regular windshield washer system.
Yes, agreed on the check valves. I replaced the two drivers side ones last year. I'm thinking of just putting a check valve on the fluid line out of the intensive tank.
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If the headlight washers are driven off the same pump as the regular windshield washer system, there's something wrong with your arrangement. They should have separate pumps. There were a couple different arrangements for the headlight washer pump type, location and plumbing, and you may not be able so see your pump with the washer fluid tank in the car.
If everything is working correctly, you shouldn't need to add another check valve. Just trace what you have and see if it has been screwed with in the past by a previous owner, or if there's a failure in one of the existing check valves.
JR