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Car Forum / Volvo Cars / February 2006Engine Rattle
I have a 96 Volvo 850 GLT. On start up some times the top of the engine will rattle for a few seconds and stop. The oil and filter are ok. Can the oil be dirty? Can the filter be the wrong one? Can I be using the wrong oil? It seems this will happen when it is cold outside. Thanks > I have a 96 Volvo 850 GLT. On start up some times the top of the engine will > rattle for a few seconds and stop. The oil and filter are ok. Can the oil be > dirty? Can the filter be the wrong one? Can I be using the wrong oil? It > seems this will happen when it is cold outside. Thanks sounds like the hydraulic valve lifters. Oil to thick or the lifters are worn  Signature--- Marten >> I have a 96 Volvo 850 GLT. On start up some times the top of the engine will >> rattle for a few seconds and stop. The oil and filter are ok. Can the oil be [quoted text clipped - 3 lines] >sounds like the hydraulic valve lifters. Oil to thick or the lifters are >worn Thank you for the reply......Jim > I have a 96 Volvo 850 GLT. On start up some times the top of the engine will > rattle for a few seconds and stop. The oil and filter are ok. Can the oil be > dirty? Can the filter be the wrong one? Can I be using the wrong oil? It > seems this will happen when it is cold outside. Thanks This happens with my 1995 854T upon starting after sitting for a day or more without being run. It makes a sound like tappets with insufficient oil. It stops in ~ 1 - 2 seconds. I've noticed it for ~ 5 years. The oil and filter have been changed every 5,000 mi. without fail. The car has 85,000 mi. I suspect it's normal. Check to make sure you're using the right oil for cold weather. Rick >> I have a 96 Volvo 850 GLT. On start up some times the top of the engine will >> rattle for a few seconds and stop. The oil and filter are ok. Can the oil be [quoted text clipped - 8 lines] > >Check to make sure you're using the right oil for cold weather. Rick, I live in Alabama and the weather does get in the 20's only for a short time. I am using 20w50 vavoline. I will look into using a lower viscosity oil. I do change my oil and filter every 3,000 miles because of the short distances I drive. This rattle started when it was cold. Thanks for your information.........Jim >Rick > >> I have a 96 Volvo 850 GLT. On start up some times the top of the engine will > >> rattle for a few seconds and stop. The oil and filter are ok. Can the oil be [quoted text clipped - 15 lines] > information.........Jim > >Rick That info clinches it. The early 850 engines had problems with early hydraulic lifter failure. Post '94 engines have better lifters, but the oil passages are supposedly still too small. That's why a lot of 850 owners use synthetic or synthetic blend oil. You'd be much better off with 10W-30 high-quality oil. Signaturehttp://freevision.org/michael/index.html >> >> I have a 96 Volvo 850 GLT. On start up some times the top of the engine will >> >> rattle for a few seconds and stop. The oil and filter are ok. Can the oil be [quoted text clipped - 7 lines] >owners use synthetic or synthetic blend oil. You'd be much better off >with 10W-30 high-quality oil. Thank you, I will look into changing to a higher quality synthetic oil........ .Jim >>>>>I have a 96 Volvo 850 GLT. On start up some times the top of the engine will >>>>>rattle for a few seconds and stop. The oil and filter are ok. Can the oil be [quoted text clipped - 13 lines] > Thank you, I will look into changing to a higher quality synthetic oil........ > .Jim consult your manual: it should have a table which viscosity is permissble for your conditions, and which min. API classification is needed. Both these are far more important than synthetic vs nn synthetic arguments. Signature--- Marten >>>>>>I have a 96 Volvo 850 GLT. On start up some times the top of the engine will >>>>>>rattle for a few seconds and stop. The oil and filter are ok. Can the oil be [quoted text clipped - 6 lines] >needed. Both these are far more important than synthetic vs nn synthetic >arguments. Thank you I have done just that..........Jim > >> >> I have a 96 Volvo 850 GLT. On start up some times the top of the engine will > >> >> rattle for a few seconds and stop. The oil and filter are ok. Can the oil be [quoted text clipped - 10 lines] > Thank you, I will look into changing to a higher quality synthetic oil........ > .Jim As someone else mentioned, it doesn't have to be synthetic, just high-quality and the right viscosity. Synthetic oil is a double- edged sword: it keeps those oil passages clean, but often seems to cause Volvo seal to leak... Signaturehttp://freevision.org/michael/index.html |
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