The whole time line is here
http://www.pbs.org/wgbh/pages/frontline/documents/mcveigh/mcveigh2.html#anchor704.14.95
McVeigh went into Tom Manning's Firestone to have work done on his Pontiac. It was determined that the heads were blown, and Manning sold McVeigh the Mercury for $250. (See Manning interview). Tim took his car to the Firestone to be worked on. The head gasket was blown and it was going to cost $500 to fix it. Tim bought the Mercury from Tom Manning at the Firestone shop for his car plus $250. Tim screwed on the Arizona license plate, "nice and solid, two screws right on top". Tom remembered Tim from three years prior. (and Hankins memo dated 5.10.95)
04.14.95
McVeigh, using currency, purchased a 1977 Mercury Marquis in Junction City, KS. (Indictment - August 10, 1995).
McVeigh called the Nichols residence in Herington, KS from Junction City, KS. (Indictment - August 10, 1995.)
McVeigh called a business in Junction City and, using the name "Bob Kling", inquired about renting a truck capable of carrying 5,000 pounds of cargo. (Indictment - August 10, 1995.)
04.14.95
Tim called the Ryder truck rental shop to reserve the truck. He was told that he would have to put down a deposit on Saturday, 4.15.95, or he could not have the truck on Monday, 04.17.95. She told him they were closed on 04.16.95.
Tim called Terry and told him to meet him at Geary Lake that day at noon or 1:00 pm.
04.14.95-1:00 p.m.
Tim drove to Geary Lake and met Terry. They had not seen each other in about three months and they talked for two hours. Terry gave Tim some cash. Terry told him that Marife was back with him. (and Hankins memo dated 5.10.95)
Tim drove back to town and bought a car battery at Wal-Mart.
04.14.95
McVeigh checked into Room 25 of the Dreamland Motel in Junction city, 26 miles north of Herington. That night, Shane Boyd, age 23, a helicopter mechanic who was also staying at the Dreamland said he saw a bushy-haired man who resembled the sketches of John Doe #2, in the parking lot near Mr. McVeigh's room. The man was smiling. (The New York Times, December 3, 1995 - Jo Thomas.)
04.14.95
McVeigh, using currency, rented a room at a motel in Junction City, KS. (Indictment - August 10, 1995)
04.14-17.95
Tim McVeigh rented a room at the Dreamland Motel in Junction City, KS. (FBI motel registrations).
Tim went into the Dreamland Motel and registered under the name Bob Kling. "Something hit
mind that he did not want that there". He reached over and took back the registration card, crumbled it up and filled out a new card with the name Tim McVeigh.
04.14-18.95
Employees of the Dreamland Motel in Junction City, KS advised FBI agents that an individual resembling Unsub #1 depicted in the composite drawing had been a guest at the Motel from April 14 through April 18, 1995. This individual had registered at the Motel under the name of Tim McVeigh, listing his automobile as bearing an Arizona License plate with an illegible plate number and provided a Michigan address on North Van Dyke Road in Decker, Michigan. This individual was seen driving a car described as a Mercury from the 1970's. (Criminal Complaint filed against Timothy McVeigh on 04.21.95)