Rear Windshield sprayer hose clogged
 

Greetings All, Recently I posted about a mucous-based alien life form that had taken residency in the windshield fluid reservoir. I was able clean the reservoir and the hose from the pump (front) to the front nozzles.

However, the hose from the pump (rear) to the nozzle above the rear window is clogged as well. I have removed the nozzle and it is clean. I split the rear hose apart at a join about 10 inches from the pump. From the pump to the split is ok as well. However, I have tried pressure and vacuum on the section from the join to the rear windshield (theoretically this must run at least 10 feet) and get little to no air to pass (made it to 18 psi vacuum before getting worried).

Does anyone have experience with cleaning this hose? I am new to the Bentley manual but can't find the hose path there. All help appreciated.

There is a check valve in the line a few inches away from the spray nozzle. You have to unbolt the spoiler to access. I'm guessing it's stuck closed. Just a few bucks from the dealer.

David.X5 ... much thanks. Just pulled up the RealOEM page so am seeing the connections. Also, I believe I have instructions to remove the spoiler. I will post the results when the car returns (if the game isn't on yet).

I had the same problem with mine, works now but the new check valve still seemed fairly restrictive.