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OIL SEAL FAILURE DIAGNOSIS

PROMOTIONAL ARTICLE ON BEHALF OF CORTECO

 

 

Oil Seal Failure Diagnosis

Often, when parts such as oil seals fail prematurely they are replaced and returned under warranty; however, in most cases the seal itself isn’t the reason the failure has occurred. In this guide, we will take you through the causes and how to avoid premature leaks and failures in the future.

Lip Leakage Diagnosis

Click for expanded chart

If the lip has worn out then this is often caused by the seal not being sufficiently lubricated before installation causing abnormally high temperature, the presence of foreign matter, disproportionate internal pressure or an excessively rough shaft surface. Similarly if when removing a seal, if the lip has hardened and there are visible cracks, you can be sure that this has again been caused by abnormally high temperatures, excessive internal pressure or insufficient lubrication. The cause for the abnormally high wear has occurred due to friction as the amount of lubricant was below the specified level and therefore did not reach the seal lip. Alternatively, insufficient lubrication can come from dry-wear conditions because the vehicle’s oil levels are low. Another sign of this is if the lip wear band is smooth and glossy.

Alternatively, if the lip has softened, then the main cause of this is the lip having the incorrect material required for the application. In order to prevent this from reoccurring make sure the correct seal is sourced for the specific application before installation.

If you notice the lip of the seal has worn unevenly then this is due to cocked seal installation or an excessive shaft offset. As before, both should be checked during installation but crucially before the vehicle is out on the road.

Installation errors tend to be a big factor in automotive parts failing prematurely. This is apparent if you can see that the lip of the seal is scratched, caused by improper assembly, improper handling, an incorrect shaft chamber or the presence of foreign matter entering the seal. The scratches are often caused by being assembled over burrs or other defects in the shaft chamber, the lip coming into contact with sharp metal parts during transit or storage or if the seal was handled with gloves contaminated with metal particles.

As stated improper handling can be a factor in causing a seal to fail prematurely, the tell-tale sign is the seal lip being swollen or soft. The swelling is caused by the lip being soaked in solvents or petrol before installation. Alternatively, if when removing a seal you see the fit trace is disconnected locally then the seal could have been deformed because of an improperly designed assembly jig or a gap in the press-fit occurred due to rough handling.

However, although problems during fitting can contribute to the part failing, other issues may be the key factor. If the lip’s waist (flex area) is broken, then this can be because of improper assembly but can also triggered by excessive internal pressure. Similarly if the lip is turned-under, the lip edge is severely worn and the wear band is concave then this is connected to an incorrect shaft chamber, improper assembly and excessive internal pressure meaning the oil seal area exceeded the maximum pressure it was originally designed for. To prevent this reoccurring, identify the maximum pressure for the seal and check it is compatible with the vehicle. However, if the lip edge is severely worn but there are circumferential grooves on the wear band then the cause is that the shaft finish was rougher than the specified range again this can be prevented by sourcing the correct part for the specific application.

Similarly, if the lip edge is severely worn and there are grooves or indentations on the surface. Foreign matter can affect the seal in many ways whether the cause is due to a shaft or seal that has been contaminated with foreign particles being used or the contaminants were embedded in the seal lip. The cause can be triggered when the seal is assembled in the presence of dirt and/or dust causing the contaminants to become embedded in the sealing lip. In addition, if the seal or the housing was assembled with silicone, the sealant will have contaminated the shaft or seal.

If, when removing a seal the garter spring has become disconnected then this has likely been caused by an incorrect shaft chamber or improper assembly, checking the installation can ensure you and you customers are happy with the finished job.

However, if there isn’t an obvious fault with the oil seal, the cause is often difficult to diagnose, but before you prematurely condemn a good seal first check if the shaft is scratched or the diameter is incorrect, if the shaft rotational direction does not match the helix on the seal, there is excessive shaft offset or runout, the shaft is worn or the seal has been installed incorrectly.

Press-Fit area leakage diagnosis

Below we identify four common causes of premature leaks due to incorrect handling/installation.

If the oil seal is cocked then this can be caused by an improperly sized bore diameter, incorrect shaft chamber or improper assembly jig.

Like with the lip leakage diagnosis if the oil seal is problem free, check if there is a scratched or an improperly sized bore or excessive bore surface roughness. Similarly if the seal OD is damaged or chafed the bore is often the cause. Ensure you check if there is an improper sized bore diameter, incorrect shaft chamber or improper assembly jig before installation.

All the causes mentioned can be avoided if the correct steps are taken when assembling, ordering and fitting a part.

Head over to www.corteco.com/en/products/sealing/ to view our sealing range.

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ANDREW PAGE AND ECP TRAINING PROGRAMMES MERGE

ANDREW PAGE AND ECP TRAINING PROGRAMMES MERGE

Euro Car Parts has brought together its Euro Academy training offer with Andrew Page’s Autoeducation programme. Bosses plan to keep the Autoeducation brand, with a new prospectus covering a wider selection of courses.

The extended programme will continue to deliver IMI-accredited training for technicians and include a dedicated technical phone helpline and online diagnostics database with a reference library of previous faults.

Courses available will include foundational electrics, oscilloscopes  and CAN BUS systems. There is also full MOT course coverage, from Level 3 accreditation to MOT Tester and Managerial Training. Autoeducation’s offering now also includes Euro Academy’s ADAS training course, delivered in partnership with Hella.

Helen Robinson, Marketing Director at Euro Car Parts, commented: “Since we acquired Andrew Page, we have been committed to ensuring that this trusted brand continues to thrive in the independent aftermarket. Recognising how popular and successful its Autoeducation programme is, we have boosted the portfolio significantly by merging it with Euro Academy. It is our intention to invest in our training offering to ensure the independent sector is well positioned to work on all types of vehicle.”

Euro Car Parts acquired the Andrew Page factor chain when the latter went into administration in 2016.

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SPARTAN OPENS ADDITIONAL BRANCHES

SPARTAN OPENS ADDITIONAL BRANCHES

South Wales-based Spartan Motor Factors has opened two new branches in Blackwood and Swansea.

The Blackwood branch measures 4000 sq ft, has five  drivers and three counter staff while the Swansea branch is 5,500 sq ft, and has two counter staff and three drivers.

These opening are in addition to  a branch in Pontypridd in April and a cooling division specialising in air conditioning and radiator repairs in Abercarn that opened in May.

Director Lee Gratton said: “This takes the total number of branches to 10 with the head office still based in Cardiff. We are actively looking to expand the Spartan network further into England through either acquisitions or branch openings if the right individuals approach us , we have depots in Avonmouth and Weston Super Mare at present”.

New Spartan in Swansea

 

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AUTOELECTRO AND CAAR SIGN DEAL

AUTOELECTRO AND CAAR SIGN DEAL

A supply deal has been struck between Autoelectro and accessory parts retailer CAAR.

The partnership will see the latter take advantage of Autoelectro’s extensive portfolio of remanufactured starter motors and alternators including its surcharge-free non-exchange (NEX) units. In addition, the former will be rolling out its recently-launched Active Inventory Management System (AIMS) to CAAR’s supplier base; allowing them to maximise their chances of returning old core as well as keeping close tabs on any outstanding surcharges owed,  following the company’s new pricing strategy.

Tony Bhogal, Managing Director of Autoelectro commented: “Having held discussions with senior staff at CAAR, we have agreed a competitive package for its members, to ensure they and their workshop customers receive the best value-for-money but premium quality product available”, he continued: “CAAR members will have access to the best range and availability of rotating electrics, along with a free next working-day AM delivery.”

Adding to his sentiment, CAAR MD David Owen said: “We are delighted to welcome Autoelectro on-board as an approved CAAR supplier, and the appointment has been warmly welcomed by CAAR members, many of whom were already using them for their rotating electrics.”

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CONTINENTAL TO ENTER FILTRATION MARKET

CONTINENTAL TO ENTER FILTRATION MARKET

Parts and technology group Continental have struck a deal with a filtration manufacturer to sell own brand filters across Europe.

The deal has been signed with Italy-based manufacturer UFI Filters and will officially launch at Automechanika Frankfurt in September of this year. Product will start shipping in January 2019.

Details of the product range have not yet been announced, but will  cover UFI’s all-makes programme of light vehicle fuel, oil, cabin and air filters. There is no word as yet on which, if any of the factor chains or buying groups will be stocking the product in the UK, and UFI has said that while the product ‘knows no borders’  a particular focus for Continental will be on the Germany, Austria, Switzerland, Benelux and Scandinavia markets.

“Our stated aim is to continue to expand our product portfolio for the automotive aftermarket under the renowned brand name Continental. To do this, we market only premium products that match our brand and that make sense for our customers,” said Peter Wagner, VP Aftermarket at Continental.

Giorgio Girondi, Chairman of UFI filters said:  “This agreement between two leading companies in the automotive aftermarket is a very important milestone in the history of UFI Filters. This strategic step by two premium brands shows that cooperation knows no geographical boundaries. That is crucial. We are really proud to see the UFI products in the renowned Continental branded box”.

UPDATE: UFI has confirmed that the agreement will cover markets across Germany, Austria, Switzerland, Benelux and Scandinavia only.

Georgio Girondi and Peter Wagner shake on UFI-Continental deal.

 

 

 

 

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ECCO SAFETY GROUP EMBRACES CHANGE

When ECCO Safety Group decided to combine it’s UK operations into one place under a common brand, it knew the scale of the challenge.

This is where Italy-born Enrico Vassallo comes in. His varied CV includes a period as CEO of bus makers Optare and Irisbus where he gained a reputation as a manager that could implement sweeping changes. Nonetheless, he is open about how challenging delivering the transformation has been so far.

You can read a full interview where he discusses the transformation of three legacy brands into a modern, lean manufacturing operation in the July issue of CAT.

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HAVE YOU SIGNED UP YET?

HAVE YOU SIGNED UP YET?

AUTOMECHANIKA PROMOTION

Automechanika Birmingham is just under five weeks away. Have you signed up yet? When you register free for your ticket, recommend a colleague to attend and you will receive free breakfast upon arrival at the NEC courtesy of Bendix. Also, new for the 2018 event, independent garages can park free *limited availability, first come first served!

Whether your exhibiting or just visiting, register now by visiting the Automechanika Birmingham website. We look forward to seeing you all there!

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EPIC ACCESSORIES GETS TRICO VAN

EPIC ACCESSORIES GETS TRICO VAN

New sporty van for Epic Accessories

Wiper blade brand Trico has presented Epic Accessories with a Trico liveried Ford Fiesta van, after the latter achieved its target during the former’s three-month promotion last year.

The vehicle was handed over to Epic Accessories owner Samantha Gutteridge at the A1 buying group’s spring trade show, which took place at the Whittlebury Hall in Towcester last month.

Speaking of her firm’s new addition, Gutteridge said: “The new vehicle will help us on both a promotional and practical level in getting the message out to potential customers that we fit wiper blades in our designated fitting bay at the rear of our store, so a huge thanks to Trico.”

Sam Robinson, Product Manager at Trico, added: “The show was a great success for us, in particular our promotional offer on Neoform retro-fit beam blades, which was well received with a number of members who placed orders for a merchandise box on the day. We also agreed plans with various members to help boost their sales, including supply of in-store signage, as well as training days to educate and support their staff on selling and fitting Trico blades.”

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SUPPLIERS FINED IN RECENT CARTELS

SUPPLIERS FINED IN RECENT CARTELS

Another cartel has been exposed

The European Commission has fined OE suppliers Bosch, Continental and NGK a total of €151M, after participating in one or more of five historic cartels concerning the supplies of spark plugs, hydraulic and electronic brake system components to VMs in Europe.

The first cartel lasted from 2000 until 2011 and aimed at avoiding competition by respecting each other’s traditional customers and maintaining the existing status quo in the spark plugs industry in the European Economic Area.

The second and third related to the supply of various braking components including electronic parking brake systems between 2007 and 2011.

All suppliers acknowledged their participation in these cartels and agreed to settle the
case. Denso was also involved in the first cartel, but was not fined after revealing the existence of its cartel to the Commission. TRW also escaped fines altogether for disclosing the second and third cartels, while Continental avoided charges for one of the two cartels it participated in on the same grounds.

Commissioner Margrethe Vestager, who is in charge of competition policy said: “These cases are about collusion at the expense of car makers. But in the end, any extra costs these carmakers may have incurred could potentially be passed on to final consumers when they buy a car. So our work will help to make sure that those markets work fairly for consumers.” She concluded added: “Today’s decisions are unrelated to our investigation that several German carmakers might have broken EU competition rules. That is still ongoing”.

“We will be active in this area as long as we keep finding companies that hope to
make higher profits by colluding instead of competing.”

Previously, bearing suppliers and air conditioning component makers have been fined under the same anti-trust rules for colluding against vehicle manufacturers.

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EURO CAR PARTS ACQUIRES NEW WAREHOUSES

EURO CAR PARTS ACQUIRES NEW WAREHOUSES

Two sites, similar to this, have been acquired by ECP

Factor chain Euro Car Parts has acquired trade counters in Scarborough and Normanton, Wakefield. The acquisition was completed on behalf of American commercial real estate broker Cushman & Wakefield; however, terms of the deal were not disclosed.

The Scarborough site is now open on Seamer Rd between Howdens and Toolstation, housing 17 staff and six delivery vans within its 3,356 sq ft warehouse. Meanwhile, the Wakefield branch will open in due course on Good Hope Close, located off Pontefract Rd near Junction 31 of the M62 motorway.

“We are delighted to have been able to secure both these sites for ECP, allowing them to expand their presence and better service their ever- growing customer base”, notes Henry King of the Logistics & Industrial team at Cushman & Wakefield. “These new locations are the first of an ambitious 2018 expansion plan
and signify a purposeful and positive start to the year.”

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