Two problems related to engine rattling and whining sounds have been reported for the 1999 Ford Explorer. The most recently reported issues are listed below.
Engine makes a rattling noise, consumer constantly went to dealer to diagnose the problem. After doing 2-3 diagnostic tests, no problem was found, consumer went to another dealer for a second opinion and a rebuild engine was put in. Bolt to engine cylinder broke off and a new head was ordered. Consumer is still not satisfied that engine is not running smoothly and still hear irregular noises, dealer identified the noise and informed consumet that is was normal, consumer also blames dealer for selling her the vehicle with defective firestone tires, consumer had to purchase 5 new tires.
Automatic transmission is slipping in any gear. It doesn't shift gears correctly when accelerating. Transmission only shifts correctly into 1st gear, and double shifts into 2nd and 3rd gears after letting off gas. Transmission shifts sometimes from high to low, causing vehicle to pull. Overdrive light intermittently would go on and off. Was repaired at dealer. On 1-18-2001. Dealer replaced multiple parts in transmission 02-15-2001, transmission locked up and wouldn't move. Torque converter and pump with housing were replaced. On 6-29-2001, transmission was still pulling. Dealer replaced a stuck evr valve and replaced it. Front and rear rotors warped, dealer replaced, abs light illumianted, dealer replaced rear speed sensor, brakes are noisy. Passenger window shakes, dealer lubed tracks. Motor makes rattling noise when being driven steadily. Steering gets stiff and makes a whining noise. Air conidtioner was repaired. Goodyear tire blewout, this tire was a replacement for firestone recall 00t005.