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Re: Timing 02 95 Posted by Larry West [Email]  (#1140)  [Profile/Gallery]
(more from Larry West) on Mon, 19 Dec 2011 07:13:00
In Reply to: Timing 02 95, Dominick, Sun, 18 Dec 2011 14:09:02 Members do not see ads below this line. - Help Keep This Site Online - Signup |
IF you bought an Arc - 3.0t V6, Auto trans, ventilated leather seats, etc., this is not good news. The V6 has a timing belt which must be replaced every 60,000 miles. Any amount of mileage past 60k on this belt is living on "borrowed time". If this is your car, and if the belt snapped, the damage can be repaired, but at great expense. When the belt snaps, the valves stop wherever they are, and the pistons keep pumping up and down for a while, driven by the transmission. The pistons collide with, and bend the extended valves.
Last I heard, there were no options for rebuilding these heads, as the parts are simply not available. Either new heads, or good used heads must be sourced. Four years ago, the going rate to swap out damaged heads on a 9-5 V6 was over US $5,000.
If the car is a Linear or Aero with the 4 cylinder 2.3, and the timing chain broke (rather rare, but possible), repairs are much less expensive. Basically, the pistons still hit the valves, but all of those parts are available, so the head does not need to be exchanged. Still not cheap, but probably half of what the V6 would cost to repair.
If it is a 4, another possibility is a sludged up motor. The sludge forms from the oil, and collects in all the passages, and eventually starving the bearings of oil, even though the dipstick says "full". These usually give signals in advance, like a blinking oil light, but if the motor is completely sludged up, the usual remedy is to source a new motor. Otherwise, the existing motor would have to be completely torn down to component parts, the block and head tanked to thoroughly clean them out, and it all put back together. A replacement motor is usually cheaper than all that.
_______________________________________ Current: 2002 9-5 Aero Kombi Cosmic Blue 2000 9-5 SE sedan, Imola Red 1990 900S Rose Quartz, Auto Past: 1999 9-5 LPT Combi 1999 9-5 LPT sedan 2002 9-5 Arc 1990 900 5-speed 1986 900 turbo Convertible 1991 9000 turbo 1980 99 GLi 1986 900 turbo 1986 900 S 1991 900 turbo 1984 900 turbo 1976 99 GL
, Mon, 19 Dec 2011 07:13:00 <-- Viewing This Message
, Sun, 18 Dec 2011 20:36:04
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