What does it mean when you have sludge on your oil cap?

What does it mean when you have sludge on your oil cap?

When the water gets whipped into the crankcase oil, it turns into a pudding-like consistency. As you drive and heat up the engine, the heat evaporates the water from the oil. Since the oil filler cap is at the top of the cylinder head, the oil/water settles in the oil cap, forming a yellow gunk.

Why does my engine oil look like mud?

Engine sludge develops on and around your vehicle’s motor when oil begins to break down and collects on the engine. When engine sludge is present, oil is not able to properly lubricate the moving parts of your vehicle’s motor.

Is the underside of a Volkswagen T25 corroded?

The underside of the T25 doesn’t usually corrode, but check around the chassis rails and sills. If the jacking points are corroded, these can be complicated to repair. Also, look around the middle seam of the fuel tank for signs of leaking. [tl:gallery index=2 size=459×306]Many of the exterior panels are seam welded together and covered in sealant.

Why are the seams on my VW T25 rusting?

The T25’s seams are particularly prone to rust – the flexible sealant applied at the factory dries and cracks with age and begins to hold water which then rots the surrounding metal. Repairs are tricky, and you often see vans being sold where the gap’s missing altogether where it’s been welded!

When did the VW T25 camper van come out?

Also known as the Vanagon, Microbus, Caravelle, T3 or more commonly, T25, it first appeared in 1979 with the Bay Window’s rear-mounted air-cooled engine. Water-cooled diesel and petrol engines appeared later in 1982-83.

When was the last VW T25 Syncro made?

The Westfalia ‘Joker’ camper is renamed the ‘California’ in 1988 before the last T3 (the 3 bit indicating the use of rectangular, not round headlamps) left the Hannover factory in September 1990. The very last T3, however, was the Syncro – the last one of which left the Graz factory in Austrian in 1992.