Why is there rust on my oil dipstick?
A–In cool weather, condensation forms in the crankcase after you turn off the engine. This moisture can cause the dipstick to get some surface rust–especially if most of your driving is short trips. The biggest problem is allowing the engine to overheat. …
Can you see sludge on dipstick?
Pull out the dipstick and if you notice globs of gelatinous material adhering to the stick, then sludge is likely present.
What does coolant on dipstick look like?
Glycol and water often look like a thick mayonnaise-like paste, depending on how long the coolant has been in the crankcase. You might also detect a sweet antifreeze smell. If you have detected coolant in your motor oil, your engine should be taken in for immediate service.
How do you know if your car has oil sludge?
First, look for any signs of oil splatter or engine sludge on the outside of your vehicle. Engine sludge looks like thick, dark oil and generally appears in small clumps. If you see engine sludge on the exterior of your engine, it is highly likely that you have an engine sludge problem.
What kind of paint does a Volvo 960 use?
The cars are galvanized, but the facelifted 960, S90 and V90 got a new water-based paint which is a bit weaker than the old paint Volvo used before. And unfortunately there are some models of the 960 which didn’t get the right galvanize treatment, resulting in some rust at the bottom of the car.
Where to check for rust on Volvo 960?
The bottom of the 960, S90 and V90 is also susceptible for rust, so check the area between the chassis legs and the area around the gearbox. At the trunk: be sure the floor part, area between the floor and rear lights and sparewheel container are free of rust.
What kind of problems does the Volvo 960 have?
960 Valve and Head Problems Oil Leaks: Diagnosis Vacuum Leaks: Diagnosis Porous 960 B6304 Blocks Cracked Blocks B6304 Compression Test 960 B6304 Intake Manifold Gasket
Where are the coil packs on a Volvo 960?
Remove spark plug access cover. (Black cover on top of engine.) Once you have the black plastic cover off, number the coil packs with a magic marker 1 – 6 front to back so you can correctly replace them. Coil packs are held in with a pair of 10mm bolts (A and B in the illustration.