Question about Volvo 740
Gas is in my oil and i have a 1989 volvo 74 gl was wondering if anyone would know whats wrong?
Generally speaking, there are two ways for gas to get into the engine oil.
A leaking fuel injector, or a faulty fuel pressure regulator.
Posted on Apr 28, 2013
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Posted on Jan 02, 2017
Your problem is NOT a fuse. The speedometer receives an electronic signal from an analogue transmitter mounted in the rear differential. It's the little button in the rear diff with two wires attached to it. Check to see if the wiring is chaffed or broken. If not, then it's probably the transmitter. A competent mechanic should be able to replace one for less than 200.00, parts and labor. If this does not fix it, then the problem is in the head, which can be expensive. You might get a used head if you can get a 90 day guarrantee on the part from the salvage company.
Posted on Oct 21, 2008
SOURCE: oil change
well its always recommended every 3000 miles to change the oil if you are using mobil1 full synthetic oil then every 5000 miles transmission i recommend every 45000 miles 60000 mile should be radiator fluid,power steering,fuel filter if trans hasnt been done then transmission
Posted on Jul 06, 2009
Turn you healights on. Turn the car on. If the headlights burn bright, the battery is good. If the engine does not turn over, the problem is probably the starter bendix. The starter bendix is a part of the starter. Have your starter checked at starter repair shop or where you buy your car parts. (You have to unhook the battery terminal from the negative battery post before taking off the starter.)
If the lights did not burn bright, and the engine doesn't turn over. You could have a bad connection. On the Volvo, it has a positive wire and 3 wires that attach to the positive battey post. I clean the battery post with a battery post brush. I clean the terminal ends of the other 3 wires that attach to the positive battery terminal. I use a wire brush to clean the 3 wire terminals. I spray the wire terminals with a electrical motor cleaner (or electrical cleaner) that I pick up at the automotive parts store. Don't spray it on the paint of the car. I put wires on one side of the positive battery terminal. I put a nut on the battery bolt. I tighten another bolt to it. I tighten it tight. I put the positve battery terminal on the positive battery post and tighten (don't tighten this to tight). The positve terminal should be tight enough not to move (but don't tighten it to tight.)
If you clean the positive battery post and negative battery post, you should have bright front headlights when the car is turned on. If not, you have a battery or alternator problem or both.
Posted on Aug 29, 2009
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