Tag Archive | "Corteco"

PROMO: TVD INSTALLATION AND REMOVAL

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PROMO: TVD INSTALLATION AND REMOVAL


PROMOTIONAL CONTENT WRTTEN BY CORTECO

Torsional Vibration Dampers (TVDs) provide vital protection for a vehicles engine. TVDs are made up of rubber and metal components; the rubber within the metal absorbs excessive vibrations that are leaked from the engine. These vibrations, if transmitted, can damage surrounding components causing them to fail prematurely. Having parts within the engine failing can cause significant damage to the vehicle.

We at Corteco thrive off the quality and expertise passed down by our parent company Freudenberg. We offer vibration control components and repair kits in OEM quality for more than 27,500 types of vehicles. All products are designed to meet the highest quality standards and are manufactured using the latest production methods.

This directly relates to our TVDs and we know that if you start to hear excessive noise coming from the engine or the vehicles is, vibrating excessively then you need to get your car into the garage. The steps below will show you how you can successfully remove and install a replacement TVD.

Step 1– The belt routing can be quite complex so we advise that you take a picture or draw a quick sketch of this.

Step 2– Next we need to remove the tensioner from the belt, this can easily be done by rotating the pulley.

Step 3– To remove the TVD from the crankshaft you need to loosen the mounting bolts. As we know not everything is as straight forward and some TVDs are different.

If the TVD you are replacing has a central expansion bolt then you will need to block the flywheel, like most repairs on a vehicle all parts need to be replaced and this includes the central bolt.

If the TVD you are replacing doesn’t have a central bolt then this can be removed by holding the pulley and removing the mounting bolts. As always we recommend that all bolts are replaced with the TVD, Corteco offers complete TVD kits to make this possible.

Step 4– Unpack the new damper and place this on the engine.

Step 5– Now the new TVD is on we need to tighten the mounting bolts, if there are several bolts we recommend tightening alternate bolts and working them in a star pattern. Torque the mounting bolts to 1/3 of the installation torque.

Step 6– Before fully tightening the bolts we recommend you torque the mounting bolts to 2/3 and then continue to tighten them to the full torque as specified by the vehicle manufacturer in the manual.

Step 7– Before releasing the vehicle back to the customer, it is advised to inspect the front end auxiliary drive for wear and to replace any parts that are showing significant signs of stress. Ensure the belt has been re-fitted before starting the engine

Step 8– The final step to the installation and removal process is reloading the belt onto the tensioner by rotating the tensioner to the correct position. Ensure the belt has been re-fitted before starting the engine without doing so can cause significant damage.

As a pulley is seen as a crucial repair only quality products should be used, Corteco offers a lifetime warranty on all TVD kits, as we know they will not let you down.

Head to www.corteco.com/en/products/vibration-controlto find out more about our extensive range.

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PROMO: CORTECO EXPLODES THE GUIDE BUSHES ‘MYTH’


PROMOTIONAL CONTENT WRITTEN BY CORTECO

 

Clutch input shaft sleeves (guide/ bushes) and seals: essential, but are they really only available through dealerships? Corteco explodes the myth.

The first call for any replacement part is the local motor factor, but when it comes to a part such as a clutch input shaft sleeve (guide/ bush) and seal, most UK garages turn to dealerships.

Essential in clutch changes for many German, Italian and French-built cars, dealerships hold a virtual monopoly on aftermarket sales throughout the UK. But the fact is, they are not an OE supply only item.

Garages only think they are.

 

New direction

Split-open view of a guide bush

Until quite recently, for example, that’s precisely what they thought up at Almark Garage in Wirksworth, Derbyshire:

“We always sourced them through the dealers. It just seemed like the place to get them because it was associated more with the OE gearbox than the clutch,” says proprietor Mark Swift.

“Our problem was that once you’ve got the vehicle up on the ramp and the gearbox off, you couldn’t hang around all day. Sometimes service from the dealers leaves a lot to be desired, so it meant that we didn’t always replace them, even though we know they can be a source of problems with the clutch.”

Almark is fitting more, now, because the availability has improved.

“It was only when the motor factor came along about three months ago and pointed out that they now had them in stock that we switched over. They are not expensive to buy, but even so, they are half the dealership price. I have to say that the service they provide means we are now fitting more than we ever did,” he adds.

 

Guide/ bush function

When not in operation, the clutch release bearing withdraws and comes to rest on the shaft sleeve. The shaft sleeve can become pitted through wear and tear. A worn release bearing can catch on it, leading to misalignment problems that can cause the clutch to slip.

This accelerates clutch wear.

Inside the shaft sleeve is a rubber seal. This is designed to protect the clutch from ingress by gearbox oil. If the seal fails there are problems ahead. Seal failure is often related to debris generated by clutch wear.

 

Contaminants

Clutch ‘dust’ accumulates in the gearbox. If the dust accumulates on the shaft and on the sealing lip, the seal can be compromised. It can damage the seal and reduce operational life. A worn or damaged seal allows the oil to leak into the clutch housing. If this contaminates the friction plate, premature failure of the clutch is inevitable.

This leads to excessive slippage. Any excessive slip between the clutch and flywheel causes overheating. Soaring clutch temperatures increase the potential for failure.

Installation errors

After removing the clutch, the clutch input shaft sleeve (guide/bush) and seal is sometimes ignored or not considered for replacement. Three alternative views are:

  1. a) It is part of the gearbox, rather than the clutch
  2. b) It looks ok, so let’s save the customer money
  3. b) They are difficult to replace so are best left alone

Each of these constitutes an error of judgement that can expose the garage to an expensive rectification procedure and damage its reputation.

Best practice

Corteco, one of the world’s largest manufacturer’s of clutch input shaft sleeves (guide/ bush) and seals, says that although these components are highly reliable performers, they must be replaced when changing the clutch.

It adds that because so many garages have always sourced their replacement from dealerships, many motor factors are unaware of the demand.

Given that labour is the major cost of the clutch change and that the clutch input shaft sleeve (guide/bush) and seal is not an expensive part, garages would be inclined to change more of them if the parts were available. A campaign to raise awareness about aftermarket availability is under way.

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PROMO: CORTECO HAS RELOCATED

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PROMO: CORTECO HAS RELOCATED


PROMOTIONAL CONTENT WRITTEN BY CORTECO

Corteco has successfully moved from Lutterworth to Rugby. The move has completed the largest expansion for the brand in the UK and emphasises the rate of annual growth for the company.

New site in Rugby is part of firm’s expansion plans

The new location places Corteco alongside its parent company Freudenberg Sealing Technologies (FST) allowing Corteco to reap knowledge and expertise from the Original Equipment Manufacturer and to pass it onto their customers. This is still proving to be a fruitful year for Corteco, with the expansion of the team, the new state of art location and additional stock enabling Corteco to serve customers instantly.

The move has brought access to a bigger warehouse, a more central location, more office space, improved facilities, a strong source of OE knowledge and a brand new ordering system. All of this helps to benefit the team and the customers greatly proving a seamless service from start to finish.

Corteco asks all customers to ensure the new address is updated to reflect the completed transition.

For any queries on this matter please call 01455 550000 or email a member of the customer service team on service@corteco.co.uk

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PROMO: WHEN DURABILITY MATTERS, MAKE THE RIGHT CHOICE

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PROMO: WHEN DURABILITY MATTERS, MAKE THE RIGHT CHOICE


Promotional content written by Corteco

When seals become contaminated, vehicle performance and reliability is quickly compromised.

Lorries are expected to operate around the clock while exposed to moisture and general physical debris and still produce as little down time as possible. Operating conditions are harsh, but reliability remains vital for the driver and the customer. Cassette seals for axles provide the perfect solution and form part of a new generation of ‘closed sealing’ solutions that protects against contamination in working conditions and tough operating environments. Corteco has a comprehensive seal range for axle applications that now includes almost every sealing option, from traditional gaskets and O-rings to the latest low-friction Cassettes for CV and LCV.

Cassette Seals were developed for vehicles working continuously in extremely physical environments on a daily basis. Cassette sealing system technology is now used in a wide number of applications and available for a broad range of different sizes. The most important aspects for the selection of Cassette Seals are:

  • Temperature
  • Circumferential speed
  • Axial play
  • Fitting procedure
  • Degree of contamination of the surrounding area

Choice of sealing materials

In addition to its product design and innovative capabilities, Freudenberg Sealing Technologies has access to resources that include thousands of different types of raw materials. Each individual component may comprise of combinations of many different rubber or plastic compounds that are used in association with various coatings and adhesives. OE manufacturers rely on FST in the selection of raw materials, product design, as well as the development and production processes of the seals that are fitted to their vehicles.

The choice of sealing materials used in individual cassette seals is based upon:

  • Operating environment
  • OE requirements
  • FST experience

FST is a name that OE manufacturers know they can trust and that’s the reason why they manufacture billions of seals each year. By working closely with FST, Corteco has developed a Cassette Seals product range to match the needs of the aftermarket – and thanks to extensive logistical experience, the correct sealing solution for almost every application is never very far away.

Product Reliability

Cassette Seals deliver reliable first time fit solutions that fleet operators can depend upon. Each Cassette Seal includes:

  • Static sealing system
  • Dynamic sealing system
  • Dust lips for dirt protection

Fleet operators rely on the parts that are installed into their vehicles to withstand excessive pressure from everyday operating life. Fitting OE Cassette Seals ensures peace of mind and reduce costs and downtime making sure everything runs smoother.

Applications 

Automotive applications are characterized by contamination, intensive utilization and high speed for long distances and periods. The utilisation of Cassette Seals covers many fields including; pick-up, commercial vehicles and on-road trucks. 

General Industrial applications are characterised by the presence of severe contamination, intensive utilisation, continuous start and stops with short distances and high repair costs. The utilisation of Cassette Seals cover many fields including; off-road trucks, agriculture, earth moving machines, implements and many more.

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LUBRICATION THAT CAN DAMAGE OIL SEALS

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LUBRICATION THAT CAN DAMAGE OIL SEALS


PROMOTIONAL STORY ON BEHALF OF CORTECO

Today’s cars are becoming increasingly powerful but are still retaining the convenient size which fits with the chaotic world we live in. With cars becoming more demanding, the engines have to do more while trying to meet efficiency targets, this is helped by the engine oil that we put in to keep the car ticking over. However, although this oil is beneficial for many parts within the engine it also causes a lot of harm to components such as oil seals.

Oil additives are chemical components that improve the lubricating performance of the base oil. These additives are vital for the proper lubrication and prolonged use of engine oil in modern combustion engines. Without many of these the oil would become contaminated, breakdown, leak out or not properly protect the engine parts at all operating temperatures. Some of the most important additives include those used for viscosity and lubricity, contaminant control, for the control of chemical breakdown and for seal conditioning. The viscosity of oil also changes with temperature, becoming more viscous when cold and less viscous when hot. So the viscosity of the oil can be affected both by the weather and how hot your engine is.

Although the additives in the oil are extremely beneficial for most engine components, the additives being used today have an adverse effect on oil seals, often causing them to wear or leak causing early repairs being done to fix the problem. One way a seal can fail from oil additives is due to chemical compatibility, this is an issue that arises when changes are made to the formula of lubricants. Sometimes even though the base fluid remains the same an additive causes the seal to fail. However, the effect is not always predictable as the seal may wear out faster than expected or simply not perform as it should.

Alternatively the seal material can break down when it encounters a corrosive fluid. This will occur when the improper seal material is chosen for an application. The use of non-compatible materials can lead to chemical attack by oil additives, hydrolysis, and/or oxidation of seal elements. This will result in the loss of the seal lip interface, softening of the seal durometer, swelling, and/or shrinkage of the seal. Discolouration of the seal is an indicator of chemical erosion.

To avoid the seal from wearing early or not performing as expected then certain things need to be looked at. The fluid pressure range needs to be checked, this includes not just the operating range of the fluid system pressure, but also the severity and frequency of the system pressure peaks.

Another crucial factor is the temperature range as this will be effected by the additives within engine oil and can also be effected by the engine temperature and even the weather. The resting and operating temperature range of the fluid and the cylinder assembly are important with seal selection.

The fluid type due to the fluid media and viscosity are important for seal efficiency and effectiveness. Getting this right will ensure the long life of an oil seal as well as reduce the need for early repairs.

The size of the seal will determine the size of the cylinder. This includes the rod and bore dimension, seal groove dimensions, gaps, cylinders overall length, surface finish specifications and the stroke length. How the cylinder is used will impact how long it can last under certain operating conditions. This includes cylinder installation, environmental factors, and exposure to harsh conditions.

With oil additives being added to engine oil it is becoming ever more crucial to ensure the right seal is chosen not just for the application but for operating conditions and to work well alongside the additives.

Corteco offers a range of more than 7,000 gaskets and over 6,500 different shaft seals Simmering® and valve stem seals in OEM quality for a wide range of vehicle applications to ensure you can get the right seal for the job.

For more information on Corteco’s range of products head to www.corteco.com/en/products/sealing alternatives head over to Facebook, Twitter or LinkedIn and follow Corteco to get all the latest new, technical information and promotions.

 

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