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Re: 1990 Honda Civic oil not going though filter
Some filters have an internal pressure valve. If you have the same filter you have always used, it may just have an internal problem (defect). If you changed filter brands, make sure you have chosen the correct crossover number. To check new one, feel the filter and see if it is warming up as the vehicle runs. If it stays cool, it's not functioning!
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unfortunately, even if it is a bad repair shop, it is normal. if the head gasket is blown, then oil and coolant, which are the two important fluids escape the engine quickly, causing damage to the whole motor. the best route to take would either have been rebuilding the motor, or getting a used one. like i said, the whole motor gets damaged, and even in trying to replace only the damaged parts, it is nearly impossible to get all of them without simply rebuilding the motor, so your best step would be a rebuild. i hope this helps. goodluck
If you want to keep the engine in good condition and minimize wear:
Change the engine oil at least every 3000 - 3500 miles (5000 - 5700 kms) or every 6 months whichever comes around first.
The oil filter should be changed every 6000 miles (10000 kms) or every year whichever comes around first. Essentially on at least every 2nd oil change. ( The filter can be changed at every engine oil change if you wish as to do so ensures that there is very little used oil left in the lubrication system at change over time).
Use only the oil grade /spec as specified by Volvo for the engine fitted to the car.
I want you to take a couple of spark plugs out and examine them. If you find Anti-freeze on them then you may have a blown headgasket. A very common problem of driving a car until it overheats. I really do hope im wrong. Since it is an overhead valve engine with the cam shaft above...its a 1000.00 to 1500.00 dollar job to have it properly repaired. From here out im just going to explain why this happens... When a car overheats - be it a faulty thermostat...low coolant...or a faulty water pump or improper coolant mixture ratio. The engine gets so hot that it actually makes the top of the engine change shape... it actually changes enough to damage the head gasket. The head gasket keeps the explosion inside the combustion chamber. Keeps the water in its coolant jacket. and keeps the oil inside its ports. When the Headgasket fails. Sometimes coolant gets into the oil (makes a milky residue form on the inside of the oil filler cap...or makes the engine oil look like chocolate milk.) or oil gets into the coolant (makes your coolant have an oil slick on top) It can also cause water to get into the combustion chamber and when the engine is running - blast the combustion back into the coolant (causes the coolant overflow to overflow or spray) or oil gets into the combustion chamber causing the plugs to get fouled (dirty). worse case...all the above happens. I hope this helps in figuring this problem out...i really do hope im wrong about a blown headgasket . As even i tremble in fear of it happening to my car. Good Luck!
the best thing i can tell you and the cheapest is to try to change the screen and filter new fluid if this tranny was driven and never had a tranny change chances are from what your saying the damage is done the only chance you have is to try what i explained and hope the screen is just cached with debris and sludge good luck
they should have suggested changing tranny screen and filter if tranny isnt maintained every 20,000to 30,000 you end up with gray like particles from normal wear wich get caught in the screen and valve body wich leads to erractic shifting valve body problems eventually tranny replacement number 1 rule oil changes on motor and screen and filter on tranny prevents premature wear longer life to two major key factors
bring the car to a parts store and have them test the battery and charging system for you, places like auto zone will do this for free, you need to confirm these are good before going any further good luck and please rate -Jeff