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07-22-2021, 05:46 PM | #1 |
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Pump & Hydrolics - 2007 Z4
Hi Forum
I've recently had a garage diagnose my 07 convertible Z4 as having a defective roof motor. Accordingly, I ordered the replacement part and had them replace it. However, they have told me that, apparently, after refitting the motor and replacing the roof, they realised that the hydrolic line was leaking too. They are now saying that they need to remove the roof again to refit the hydrolic line. They say that, apparently, it is impossible to test the full hydrolic system while the roof was off the car, ergo I need to pay for the roof to be removed and refitted again. Grateful for any views. Best M |
07-23-2021, 06:15 PM | #3 | |
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Quote:
However, I'm honestly not sure how they pinpointed a blow line as the source of the leak without pulling the top again. A loss of pressure might be either a blown line or a faulty hinge lifter. However, since your top was just worked on it could also be the line connection (there are four) to one of the hinge lifters was dislodged when the top was either taken off or reinstalled. Did the top work when it was returned to you? Show the video to the repair shop so they are aware there is a method of checking the hydo system with the top is off. Ask them to check the line connections to hinge lifters, as they might have been jarred lose during there work. Then, if need, ask them to top off the system with hydo fluid and test the system to determine where the leak is actually located |
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09-24-2021, 07:58 AM | #4 |
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Hi guys
Sorry for the delayed response. Thanks so much for your answers. I used that information to get a discount from the garage and, more importantly, to get them to remove the hydraulic lines and cylinders. I then sent the cylinder away to top hydraulics to be refurbed. However - in the meantime the car has stopped working, as in won’t turn on - so I haven’t had chance to get them to implement the fix. Will update further once I have it working again. Best M |
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