Back at the car again. My BIL had taken it in for another alignment. Still pulls right. We went back to the alignment shop today, he put it on the machine and said it was in spec but did some other measuring. He asked if the car had ever been in an accident since the right front wheel is almost one inch closer to the back of the fender than the left front wheel and claimed this is causing the pulling. I checked the measurements and he's right. Right front wheel sits much further back in the wheel well. No obvious damage that I could see. My father has had no known accidents. He bought the car used from a Buick dealer and carfax showed no accidents. HOWEVER, in looking thru the glove compartment and handbook I ran across a 'self-insurance card' in the name of Enterprise Car Rental. Their ownership did not show up in the Carfax or ownership history. If it was an Enterprise rental car, in an accident which they repaired themselves without using insurance, would it show up on Carfax?
Do people think the fact that the two front wheels are not in the exact same position in reference to the fenders cause a pulling problem and be indicative of an accident. I've never actually measured the position of the wheels relative to the fender on a car before and I'm wondering if some asymmetry is normal.

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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