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Details about  02-0944 Gates Hose ,Manifold Outlet(2.8L Exc."S"Eng.),HOLDEN Torana(LC,LJ) 70-74

02-0944 Gates Hose ,Manifold Outlet(2.8L Exc."S"Eng.),HOLDEN Torana(LC,LJ) 70-74

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Brisbane, QLD, Australia
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Item specifics

Brand New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition


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YOU are Buying GATES product





* * * (Note Picture maybe illustration only, parts shipped with be correct as per above details)* * *


YOU ARE BUYING on a Product of  Gate's Radiator / Curved hose

Note: Listing is for one item of listing title part-number only

 100% BRAND NEW !!!!!!!!!!!! 

 Coolant Hose

 Coolant Hose 

Gates customers appreciate the wide variety of choices our extensive coolant hose line offers. The variety of hoses in this line offer the most comprehensive coverage in the industry .


 Radiator Hose 

Factory moulded to fit specific applications. Similar to OEM specifications.

Recommended for upper, lower and other coolant hose applications.

Heat and ozone resistant cover.

Engineered to resist electrochemical degradation – the leading cause of hose failure.

Meets SAE 20R4 and 20R3 Type EC Class D-1 and D-2 specifications.

Temperature Rating: -40°C to +135°C in coolant hose applications

CAUTION: Do not use for fuel or oil transfer applications.

For Part Number and Application info refer Hose Applications Catalogue 496-2043


 Small Bore Moulded Coolant Hose 

Specially designed, OEM style factory moulded hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Similar to 

OEM specifications.

Engineered to resist electrochemical degradation – the leading cause of hose failure.

Inside diameters range from 1⁄4" (6mm) to 1" (25mm).

Meets SAE 20R3 Type EC Class D-1 and D-2 specifications

Temperature rating: -40°C to +135°C in coolant hose applications.

CAUTION: Do not use for fuel or oil transfer applications.

For Part Number and Application info refer Hose Applications Catalogue 496-2043

Give a Good Squeeze to a Bad Hose

Until recently, the most common method of checking coolant hose was to visually inspect its outside cover for signs of wear, or "ballooning" under pressure. This method is no longer considered completely reliable in light of research by Gates Corporation that proves most hoses fail from the inside out.

The Enemy Within

What you can't see can hurt you. That's what Gates engineers discovered during four years of field testing on fleet vehicles. In these tests, they identified the primary cause of coolant hose failure as an electrochemical attack on the rubber tube compound in the hose.

The phenomenon is known as electrochemical degradation, or ECD. It occurs because the hose, liquid coolant (ethylene glycol antifreeze and water), and the engine/radiator fittings form a galvanic cell or "battery." This chemical reaction causes microcracks in the hose tube, allowing the coolant to attack and weaken the hose reinforcement.


Firgre  1

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 The "Squeeze Test"

The best way to check coolant hose for the effects of ECD is to squeeze the hose near the clamps or connectors using the following procedure:

1. Make sure the engine is cool.     

2. Use fingers and thumb to check for weakness, not the whole hand.     

3. Squeeze near the connectors. ECD occurs within two inches of the ends of the hose -- not in the middle (see Figures 1 and 2).

4. Check for any difference in the feel between the middle and ends of the hose. "Gaps," or "channels," can be felt along the length of the hose where it has been weakened by ECD.     

5. If the ends are soft and feel mushy, chances are, the hose is under attack by ECD. To avoid breakdown of the cooling system, Gates engineers recommend replacing the hose immediately.

Troubleshooting Cooling System Hoses

Today's smaller engines work a lot harder than the large V-8 engines that were standard 10 years ago. Under similar conditions, today's four-cylinder engine must run approximately 25% faster than a V-8 engine, creating proportionately more heat to be dissipated. The following report provided by Gates Corporation examines what these higher temperatures can mean to the service life of cooling system hoses.

The Heat Is On

With the reduction in engine compartment size, coolant hoses are prone to failure due to the prevalence of factors such as heat, abrasion and oil. In addition, new conditions arise, such as electrochemical degradation.

Gates has determined that electrochemical degradation, or ECD, results when the hose, liquid coolant (ethylene glycol antifreeze and water), and the engine/radiator fittings form a galvanic cell or "battery." This reaction causes microcracks in the hose tube allowing coolant to penetrate into the reinforcement. 

Accelerated by high-heat and flexing, the hose can develop a pinhole leak or rupture under normal pressure. This possibility of hidden reinforcement failure is one of the best reasons for replacing coolant hoses every two to four years. 

To address the damage caused by ECD, Gates has developed an electrochemically-resistant ECR coolant hose using a special EPDM (ethylene propylene rubber) formulation.

What To Look For

When inspecting a coolant hose for damage, make sure that the hose connection from the radiator to the engine is not kinked, and that it is not touching hot or moving engine parts or sharp edges. A kink can reduce the flow of coolant and cause the engine to overheat. The sharp surface may eventually cut or abrade through the hose, resulting in a loss of coolant. If the hose is resting on or will come into contact with a sharp surface, or is near a heat source, try one of the following:

Reroute the hose away from the point of contact;

Wrap protective sleeving (a slit piece of old hose, or emission control ducting for heat shielding) around the new hose at the point of contact;

Slightly twist the hose on one or both spouts to reroute the hose away from the surface.

Oil is another enemy of rubber hoses. A hose damaged by oil is swollen, soft and sticky. If the oil leak is external, eliminate the oil leak or try to reroute the hose. 

Sometimes the oil damage comes from within the hose. If the hose becomes swollen, the oil inside the hose is excessive. Check the transmission system for leaks into the radiator from the transmission cooler. 

Finally, check each clamp connection for leakage. Tighten any loose clamps and replace any that are defective

Replacing A Hose


Firgre  1

Firgre  2

 Gates engineers recommend that all coolant hoses be checked when the system is being flushed and antifreeze replaced -- about every two years -- or whenever servicing of the radiator or water pump is required. Hoses showing obvious signs of wear, and those more than four years old, should be replaced immediately.

Most EPDM hoses tend to bond to metals, so removal of coolant hoses from fittings must be handled carefully. It is important to avoid forcing or prying a hose to prevent damaging the fitting. Instead, use a sharp knife to cut off a hose (see Figure 1). 

Always check the spout to be sure it is not distorted or corroded. There should be no sharp edges, or burrs, which could damage the hose. Always clean the neck of the spout with a wire brush or emery cloth (see Figure 2).

When installing a hose, dip the ends in coolant to lubricate it and slip clamps over each end. In cold weather (25¡F to 30¡F), the hose may be stiff. Warm the hose with hot water. 

After slipping the clamps on the hose, push the hose onto the spouts, installing the engine end first. If the hose does not fit properly, remove it and reverse the ends. Whenever hose replacement is required, it's a good practice to also replace the clamps. 

Finally, tighten the hose clamps, and refill the radiator to the recommended level. Also, check the vehicle's owners manual. Certain vehicles must have all the air bled from the system and have bleeder valves to do so, usually located on the thermostat housing.

Solving The Problem

ECD is evident in almost all cooling system hoses. The most severe damage occurs where the temperature is hottest and air is present with the coolant, which is why upper radiator hoses tend to fail first.

A replacement interval of four years for all coolant carrying hoses -- especially the upper radiator, bypass and heater hoses -- can help prevent unexpected failure from ECD. The incidence of hose failure increases sharply after four years for most vehicles. 

Earlier hose replacement is recommended for fleet vehicles such as taxis, police cars and delivery vans that are subject to significant stop-and-go driving and the resulting high engine and coolant temperatures. 

To address the damage caused by ECD, Gates developed an electrochemically-resistant coolant hose using a new EPDM (ethylene propylene rubber) formulation and special wrapped reinforcement. These new hoses are long-lasting with no ECD effect. 

In addition to providing electrochemical resistance, the new EPDM hose offers improved performance characteristics over both standard rubber hose and much more expensive silicone hose. 

In tough fleet tests, Gates hoses have gone 200,000 miles, and are still going, with no electrochemical damage. Standard hoses revealed damage and failures as early as 20,000 miles on the same fleet applications.

* * * (Note Picture maybe illustration only, parts shipped with be correct as per above details)* * * 




 * * * (Note Picture maybe illustration only, parts shipped with be correct as per above details)* * * 



*********Important message to dearest buyers*********

Most items in stock, for items that are not you can either choose to pre-order or a full refunded.

please accept that before placed order !


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team SKRacingPRO




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Item location: Brisbane, QLD, Australia
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