FAQs

Engine oils are made up from two important ingredients – base oils, and additives. Texaco oils are carefully selected from group two base oils and skilfully blended with performance additives to enable the oil to provide maximum engine protection. Note that Chevron is the leader in production of Group Two Base Oils

The components of TEXACO oils have been proportioned to reach an optimum result. Adding an additive / treatment may create unnecessary blends and even harmful. TEXACO forbids to adding additive / treatment to oils.

Oil is the lifeblood of your car. If the wrong kind is used, the engine is at risk of increased wear and corrosion. Formation of blockages can also lead to engine seizure. By putting Texaco Havoline with Deposit Shield Technology oil in the engine, you can carry on motoring with confidence and experience the feeling that your car has just been serviced – all for less than the cost of a tank of fuel.

The basic function of the engine oil is to lubricate as well as to clean the engine components. Engine oil cleans the black carbon deposits; soot etc. formed on the engine parts due the combustion of the fuel (diesel/petrol) and thereby becomes black. It does not mean that the condition of the oil is not good. Oil can still be used. However ensure that the oil is changed at the drain interval suggested by the car manufacturer/lubricant supplier.

Petrol and diesel engines have different lubrication requirements. During development, lubricants undergo a number of tests, some common to diesel and petrol engines and others specific to one or the other type, that categorize their performances.

Lubricants are always optimized to meet the requirements of international classifications (API, ACEA). However, there are many ways of formulating a specific type of lubricant. Mixing two oils that have equivalent properties will not pose a problem, but final performance cannot be guaranteed.

During normal vehicle operation, oil is vital to ensures leak tightness between the combustion chamber and the crankcase. The oil pressure indicator shows how well this is being done.

An unusual drop in oil pressure can result from either lower engine oil viscosity due to dilution by fuel (injector problem or use at low load) ; too little oil in the lubrication system (due to an oil leak, excess oil consumption, or failure of the oil circulation pump) ; or even mechanical part wear.

A good quality oil provides motorists with a number of benefits:

• easier cold start and reduced wear (20 to 30% of engine wear occurs between startup and the time the engine reaches optimal temperature),
• longer engine life,
• fuel savings as a result of reduced friction of moving parts and better engine performance.

The oil change is an essential operation in maintaining a vehicle in top condition:

• Because lubricants collect particles of internal and external pollution (carbonic matter, particles of worn metal
• Because an oil’s efficacy diminishes because of : – dilution by water and fuel, – oxidation, – the consumption of additives, – shearing

• Ideally every 5000km or 3months whichever comes first
• The frequency recommended by the manufacturer may be modified according to: – The lubricant used, – Vehicle use (country, city, highway), – Thermal and mechanical requirements.
• Never drive with an oil level below the minimum mark on the dipstick Below this mark there is not enough oil, thus causing more rapid circulation of the fluid and accelerated wear on the oil.
• It is recommended to check the level regularly every 1,000 km and especially before a long trip.

In order to reduce air pollution increasingly stringent emission requirements have been imposed on diesel engines. An approach to reducing soot emissions adopted by many manufacturers is the fitting of a “diesel particulate filter” into the vehicle exhaust system. These filters trap soot and with the aid of special catalyst and periodical cycling through high filter temperatures the soot is burned off. Engine oil, when burned in the engine, can contribute to deposits in the filter, deposits which can be difficult to remove and can inhibit the action of the catalyst. Accordingly to maximize the life and minimize the servicing requirements of these filters, oils must be specially formulated. These formulations are referred to as “lows SAPS” oils (SAPS referring to sulphated ash, phosphorus and sulphur).

A number of industry specifications (e.g. API CJ-4 for heavy duty engines and ACEA C3 for light duty engines) have been developed for low SAPS oils, and Texcao markets a full range of product to meet these requirements.

Some people equate cheap oil with the inexpensive cost of operation. But this is a myth.

The minute a piece of equipment is filled with an oil, the oil leaves its legacy behind. When comparing a premium product like Texaco Oil to a cheap oil, the cheap oil could lead to higher wear rates and increased formation of deposit, varnish and sludge – all leading to high maintenance costs and reduced equipment life. So, while the cheap oil may cost less to buy, Texaco oil can cost less to own.

Proper choice of oil, both in the engine and driveline, can have an impact on fuel economy.

Two things to consider: A multigrade product tends to provide better fuel economy than a monograde (e.g., a SAE 15W-40 is better than a SAE 40 grade) and lower viscosity products tend to provide better fuel economy than higher viscosity products (e.g., a 5W-30 provides better fuel economy than both a 10W-30 and a 15W-40).

As equipment ages, deposits and wear accumulate, resulting in a decrease in equipment efficiency. Texaco lubricants are able to protect the engine against deposit formation and wear, and resist soot-induced and oxidative viscosity thickening, allowing the equipment to maintain fuel economy throughout its life.