Per my advice, she asked the mechanic who was working on the car to put a borescope in the cylinders. He saw no damage to the pistons. He is not a Jag mechanic. The owner then called a local Jag indy and had the car towed over to his shop since he was experience doing the repair and the other guy hadn't. The original mechanic charged her $900 for the diagnosis which included removing the valve cover and timing cover. Seems very high to me and I don't understand why the timing cover had to be removed to diagnosis it. But the timing cover would have had to have come off anyway to replace the chain, so the second shop won't have to do the work. She'll get an estimate from the Jag indy on the repair and make her decision.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13