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| URGENT - Heritage Brake Master Cylinder Recall https://ausmini.com/forums/viewtopic.php?f=2&t=99428 |
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| Author: | winabbey [ Thu Oct 24, 2019 10:18 am ] |
| Post subject: | URGENT - Heritage Brake Master Cylinder Recall |
Thanks to Mark Forster on the UK mk1-forum for bringing this to the attention of Mini enthusiasts. Several forum members have experienced fluid loss and brake failure with these master cylinders manufactured by UK company 920E and supplied by Minispares UK. I'll make Minisport and Karcraft aware of the issue in case they supply these master cylinders locally. Attachment: Heritage Brake Msster Cylinder Recall Oct 2019.jpg
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| Author: | winabbey [ Fri Oct 25, 2019 9:24 am ] |
| Post subject: | Re: URGENT - Heritage Brake Master Cylinder Recall |
Some more information from the manufacturer here - http://recall.920e.co.uk/ Thanks again to Mark Forster on the Mk1 Forum for the following: For anyone who has purchased from Minispares I can confirm that the Minispares part Numbers for the items in question are as follows: GMC172 (cooper s tin) = 4222-301P GMC171ORIGINAL (small brake tin) = 4222-997PT3P GMC171 (plastic brake) = LBAECLO13AP GRK1006 (seal kit) = HMK141 GRK1002 (seal kit) = HMK142 Other suppliers will have different numbers. Additonally, this is from the FAQ section of the 920E website: What parts are affected? The part which is reported to have experienced a critical failure is a brake master cylinder specifically manufactured for the classic Minis affected are: Part description Part number Brake Master Cylinder 4222-301P Brake Master Cylinder 4222-997PT3P Brake Master Cylinder LBAECL013AP Master Cylinder seal kit HMK141 Master Cylinder seal kit HMK142 The fault was caused by the failure of a limited number of secondary seal within the mater cylinder. Therefore the recall is for both the brake master cylinders containing the seal, and the seal kits for refurbishing the master cylinder. What is the problem? Several parts have been returned to 920E having suffered what appears to have been a leakage of brake fluid from the brake master cylinder. If all fluid leaks from the brake reservoir, it will render the brake unit ineffective. What is the cause of the problem? Extensive investigations have been undertaken and identified the secondary seal as the source of failure. 920E are now confident that a small number of nonconforming seals have accidentally been mixed with a large batch of good seals by the supplier. In order to ensure that we are taking all steps to protect motorists and classic car enthusiast, we have taken the decision to recall all parts manufactured in this period. We are also working closely with the manufacturers of the seals to understand how non-conforming seals could have been used. How did this problem come to light? Several units were returned to us due to leakage and in two cases there appear to have been critical failures of the unit leading to complete brake failure. What were the circumstances of these incidents? We do not have all the details, but thankfully there have been no reports of injuries. The units concerned are believed to have failed shortly after fitment of the brake master cylinder. When did this problem first come to light? The first on-road incident occurred in late June 2019 Have there been any other accidents since then? We understand there was a subsequent incident during July 2019 Why are you only now alerting end users to the risk? It was not immediately apparent what the cause of these incidents had been, and it was important to try to establish the facts before proceeding with further action. As soon as the root cause of the failure was understood, the stock was quarantined, and the distributors notified. What steps are you taking to ensure anyone potentially at risk is alerted? Once we were aware of the safety critical nature of the issue and understood the failure mode, we were able to identify which products were affected. We have then urgently devised and launched a product recall program. As part of the process, we have also notified the DVSA who are monitoring the recall and its progress. We hope in this manner to minimise any risk for our customers or the public. How have you contained the problem? We identified the batch of components that have a safety related risk and quarantined all components manufactured during that period that were still in stock at our factory. We have also contacted our main distributors and issued a recall notice, asking them to quarantine their stock. They in turn are contacting their distribution network, their partners and customers, where possible. In further support of the recall, we have contacted the DVSA, established both a recall hotline and website for further information and will run an advert in targeted media notifying users of the recall. Do you believe a large number of parts may be affected? From our investigations so far we believe the number affected is small, but it is important that we recall and examine all of the suspect parts to ensure there is no further risk to vehicle users. Roughly how many of these parts were made and where are they used? This is a niche product. We manufacture approximately 1,500 parts in the stated period and typically the part is used in classic cars, particularly Mini classics. Are you still making this part? On identifying the issue, all seals were quarantined and individually inspected. All units manufactured from September 2018 onwards on site were quarantined soon after the first incident. During the issue investigation no affected parts have been made or sold. When the investigation had identified the root cause of potential failure, we have worked with our supplier to procure correctly formulated seals, which have been rigorously tested on and off the parts. We have just reinstated production and are confident that we will be able to provide parts with a guaranteed performance to our customers and distributors. What should people do if one of these suspect parts has been installed in their vehicles? Customers that have purchased a 920E brake master cylinder should follow the guidelines given in either the recall notice or website (www. recall.920e.co.uk). If the part falls within the date code range, it should be returned to your retailer as soon as possible for replacement. Where the part has already been fitted and the packaging disposed of, it is important that the care should not be driven. The part should be removed, and the manufacturer date checked as shown in the guidelines given in either the recall notice or website (www. recall.920e.co.uk). If the part falls within the date code range, it should be returned to your retailer as soon as possible for replacement. If you are unclear or have further concerns, please contact the recall team on 01926 359637or via email to [email protected]. Who will pay for the replacement? The retailer will replace all affected units free of charge and reimburse customers for any cost of postage. Has something like this ever happened before? A failure of this severity has not occurred previously. As part of the investigation an in-depth review of past warranty records has been undertaken. Whilst there have been very occasional units returned as faulty or exhibiting signs of leakage, no similar fault has been found due to the wrong formulation of the secondary seal. What action was taken on previous occasions? Should a unit be returned under warranty, 920E quality department and laboratory carry out a review to assess whether the part is fault and why the unit has failed. This action is passed to engineering and production to see whether further action is required. What impact is this having operationally and financially on the 920e operation in Leamington? This is just one of a large number of braking components made at our plant in Leamington. All other operations are continuing normally. |
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