Automotiveseal dimensions

Rotate crankshaft (in the direction of normal rotation) at least two complete turns to remove any slack in the belt and to allow the teeth of the belt to seat themselves perfectly in the pulley grooves.

Seal dimensionschart

The choice of seal faces is diverse and can be tricky.  Not all seal faces can run against each other.  The wrong combination can squeal like a pig, generate heat or pre-maturely wear. Seal face combinations do range from the inexpensive carbon Vs. ceramic (which can last 20 years in clean water) to Expensive TC vs. TC which will last 5 x longer and makes sense in abrasive applications.  We can help you make the most economical, long-lasting choice.

Replacing a timing belt is a complex job that cannot be done without the use of dedicated tools that can vary from application to application. On our packaging you can find a reference to the required tools you need to install a timing belt correctly. Ask your supplier about the Gates range of professional tools. As a professional you know that the procedure for installing a timing belt is not the same on every engine. For this reason, we offer engine-specific instructions inside most of our boxes. For some difficult drives or recurring problems we offer Technical Bulletins. Our timing belt boxes also indicate if a bulletin is available. You can read or download all our technical bulletins here.  In most cases, as well as replacing a worn timing belt, all of the other metal components will need to be replaced. A complete timing belt kit offers a solution. It is more efficient to replace the tensioner and idlers and even the water pump when the engine is already demounted. Check our online catalogue to find the matching timing belt kit or timing belt kit with water pump for your application. What follows is a general step-by-step procedure for installing timing belts. Note that these are general guidelines. Carefully check the instructions of the vehicle manufacturer or our engine-specific instructions inside the box.

Place the new belt over the pulleys, but be careful not to force it. Never reinstall a used timing belt, as tension values are calculated for new belts.

Oilseal dimensions

Your answers to these questions are very important. If the old belt was broken, the engine may have sustained damage that must be repaired prior to the installation of the new belt.

We are unique.  Most distributors are tied to one major line and promote only that line.  We offer multiple lines because no one sealing company is good at, or most cost effective in all the product segments they offer. Let us help you get the most for your money.

Seal dimensionsin inches

With thousands of variations of the same seal, getting the right seal can be as simple as providing the industry standard part number for that seal. If you don’t know the standard the links from this page will help you to figure it out.

Loosen the tensioner adjustment bolt slowly, so that it can swing back against the belt. Be careful to ease the tensioner into position. Do not allow it to 'strike' the belt. Make sure the tensioner spring is engaged properly. If there is no spring-loaded tensioner, tension the belt according to the vehicle manufacturer’s recommendations.

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Reinstall all of the parts that were removed. Reinstall  the timing belt cover. All bolts must be torqued to the manufacturer’s recommended torque settings.

Loosen the tensioner and re-tension the belt according to the vehicle manufacturer’s recommendations. When the drive has a fixed tensioner, check the tension with the Gates STT-1 sonic tension tester. Torque the tensioner adjustment and pivot bolts to the manufacturer’s recommended torque setting.