My truck squeals when in gear how can I fix it?

I have 2001 Ford f150 and when I start it up and shift it into gear it starts squealing. At first I thought it was the belt but after using a full can of belt dressing I realized that it isn't the problem. Any suggestions would be appreciated

1979 ford f150 sludge/sediment in cooling system?

My truck runs hot at speeds above 60. Cooling system has brown/red sludge all in it. I have flushed radiator 3-4 times. I have ran radiator cleaner through it. I hve taken the radiator out and flushed it from every opening. I have replaced thermostat. Truck still overheats and has sludge in system.

Does this engine have a smog pump on it?

I'd like to buy this truck, it's a 1977 Ford F-150. The thing is, my state requires that any vehicle newer than 1975 have a smog pump and a catalytic converter on it. I don't want to buy this truck if it doesn't have the necessary equipment, does this engine have a smog pump on it? I already know the truck does not have a catalytic converter. Thanks. Does this engine have a smog pump on it

99 Ford f150 4x4 won't engage sometimes?

I have a 99 Ford f150 with the 4x4 not engaging when I drive it a while. Seems when it's not been drove it's will work perfect if I put it in to low then into high. Any suggestions?

Is the Ford f150 a good truck?

I'm looking into getting my first car (I just turned 16). It is a 2003 Ford f150. It has around 135,000 miles. I would only use it around town. The seller is asking 5,000. If you think it is a good truck, what should I offer.

Added (1). I live in the country. I was in a hurry when asking the question.