1991 Ford F700 LPO

Introduction:

The 1991 Ford F700 LPO is a heavy-duty pickup truck powered by a 7.5L V8 engine paired with a 5-speed manual transmission. Known for its durability and towing capabilities, it was popular among contractors and those requiring a reliable workhorse. However, like any vehicle, it also had its share of reported issues.

Engine:

• 7.5L V8

  • Blown Head Gasket: Description/Symptoms: Overheating, loss of coolant, white smoke from exhaust Solution: Replace head gasket Estimated Cost to Fix: $700 - $1,200+
  • Timing Chain Failure: Description/Symptoms: Noisy engine, loss of power, hard starting Solution: Replace timing chain Estimated Cost to Fix: $1,000 - $1,500+
  • Intake Manifold Gasket Leak: Description/Symptoms: Coolant leak, rough idling, engine misfires Solution: Replace intake manifold gasket Estimated Cost to Fix: $200 - $400+

Transmission:

• 5-Speed Manual

  • Clutch Slipping: Description/Symptoms: Inability to engage gears, lack of acceleration Solution: Replace clutch Estimated Cost to Fix: $500 - $800+
  • Transmission Noises: Description/Symptoms: Grinding or whining noises when shifting Solution: Repair or replace transmission Estimated Cost to Fix: $1,500 - $3,000+

Suspension:

• Front Suspension

  • Ball Joint Failure: Description/Symptoms: Loose steering, clunking noises, tire misalignment Solution: Replace ball joint Estimated Cost to Fix: $200 - $400 per side

Electrical:

• Battery Drain: Description/Symptoms: Battery dies quickly, flickering lights Solution: Diagnose and repair electrical system Estimated Cost to Fix: $100 - $500+
• Alternator Failure: Description/Symptoms: No electrical power, battery warning light on Solution: Replace alternator Estimated Cost to Fix: $400 - $700+
• Starter Problems: Description/Symptoms: Engine fails to crank, clicking noises Solution: Repair or replace starter Estimated Cost to Fix: $200 - $500+

Exterior:

• Rusty Frame: Description/Symptoms: Extensive corrosion on vehicle frame Solution: Repair or replace frame Estimated Cost to Fix: $2,000+
• Rear Bumper Rust: Description/Symptoms: Rust forming around the rear bumper Solution: Repair or replace rear bumper Estimated Cost to Fix: $300 - $600+

Interior:

• Dashboard Cracks: Description/Symptoms: Cracks developing on the dashboard Solution: Dashboard replacement Estimated Cost to Fix: $400 - $700+
• HVAC System Failure: Description/Symptoms: No heating or cooling, AC malfunction Solution: Diagnose and repair HVAC system Estimated Cost to Fix: $500 - $1,000+

Summary:

Overall, the 1991 Ford F700 LPO had a decent reliability record. However, some common issues can lead to significant repair costs. Engine problems, such as blown head gaskets and timing chain failures, are the most severe and expensive to fix. Other issues, such as suspension and electrical problems, are generally less costly but can still be frustrating for owners.