The 1999 Camry most has either bad rear brakes, or bad rear wheel bearings. Either of these problems could cause the vibration.
bad engine mounts... Toyota is known for this.
If your 1991 Toyota Camry is vibrating, the tires might be wearing unevenly. This could be due to parts that are worn in the front end or even from tires that are damaged.
It sounds like ths A/C compessor is starting to seize.
could be timing It can be many things. I would suspect you have a vacuum leak.
Will a 1998 Toyota Camry motor fit in a 1999 Toyota Camry
rubber bushings in motor mount worn
Toyota Camry was created in 1982.
No, it will not.
Toyota Camry Toyota Camry
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No, it will not.