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Posted 31 July 2005 - 03:54 PM
Palm Beach FLorida
Posted 31 July 2005 - 04:29 PM
Posted 31 July 2005 - 05:37 PM
Your engine has hydraulic lash adjusters (like hydraulic lifters on an american pushrod engine) and they tend to be very sensitive to oil issues. If they do not get enough oil or if there is air mixed in with the oil then they will tap (aka tick of doom or TOD), sometimes very loudly. I test drove an Xt that had been sitting for a few weeks and it at first sounded like a rod bearing had let loose.
Anyway, if you had seriously low oil pressure the HLAs would probably let you know (sounding very much like rod bearings).
One of the common issues with the oil pump in your XT is that it has a special o-ring (mickey-mouse gasket) that tends to need replacement once in a while. It can leak pressure or allow air to get sucked into the pump.
Welcome, and enjoy your XT!
Posted 31 July 2005 - 05:51 PM
Palm beach Florida
Posted 31 July 2005 - 06:06 PM
By "no pickup tube" do you mean that there was also no oil pan on the engine? (the pcikup tube is inside of and hidden by the pan.
If the engine has been rebuilt, the gasket should have been replaced. Don't fret over it, as it is nothing special or prone to failure. It is just a known cause of low oil pressure or aerated oil in the EA82 engines. It is normally replaced by "people who know" whenever they change their timing belts, as the t-belts have to be removed to get at the oil pump.
Unless you have a real reason to be concerned that your pressure is too low, I wouldn't worry. I have a turbo-wagon that registers negative pressure at idle (sender is a little screwed-up). It is difficult to tell exactly how accurate your particular sendor/gauge combo are, but your engine will tell you if the pressure is too low.
Posted 31 July 2005 - 06:33 PM
Posted 01 August 2005 - 01:24 AM
Posted 01 August 2005 - 01:50 AM
XT is almost certainly MPFI. Doesn't sound economical to me, even if it fit. Totally opposite corner of the continental USA, rebuilt by a company that doesn't think to put in the oil pickup tube (which, IIRC, are supposed to be the devil to remove in the first place), CCR being closer, and JDM importers being closer still.
i'm kind of interested in the motor, even tho this is the wrong place to talk about buying something. is it carb or spfi
Jessie, that sounds like some story of adventure. Glad it wasn't one that I had to take. The headgaskets wouldn't have been too big of a deal, but I can understand that if you are having a shop do it that a new rebuilt would look attractive. That "knocking noise" could very well have been the previously mentioned HLAs ticking.
Good luck, and watch out for sharks... We tend to be a ... ummmm... "frugal" group of car cultists, thinking in terms of a couple hundred bucks for acquiring a car and getting it running. Some sleeze who hears how much you have put into your car so far might try to overcharge you for stuff, or just charge and disappear.
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