See If You Still Remember These Pickup Truck DIY Repairs
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Question 1
What Do You Check First When A Truck Won't Start?
Question 1
What Is The Gooey Black Stuff Around Windshield Edges Called?
Question 1
Which Fluid Keeps Your Truck's Brakes Working Properly?
Question 1
What Does A Squealing Belt Under The Hood Usually Mean?
Question 1
What Is The Small Rubber Piece That Keeps Doors From Rattling?
Question 1
What Is Someone Doing If They Bleed Their Brakes?
Question 1
Which Part Controls How High Your Headlights Aim?
Question 1
What Does It Mean To Rotate Your Truck's Tires?
Question 1
What Is The Easiest Way To Stop A Rusty Bolt From Snapping?
Question 1
What Simple Fix Stops A Truck Bed From Rusting Through?
Question 1
What Does A Milky Color In Your Oil Mean?
Question 1
What Is The Purpose Of A Truck's PCV Valve?
Question 1
Which Tool Lets You Tighten Bolts To An Exact Specification?
Question 1
What Does It Mean When Your Truck Pulls To One Side While Braking?
Question 1
What Is The Thin Gasket Between Your Engine Block And Head Called?
Question 1
What Does A Pulsing Brake Pedal Usually Indicate?
Question 1
What Is Someone Doing If They Gap A Spark Plug?
Question 1
Which Fluid Should You Never Mix With Another Color Of The Same Fluid?
Question 1
What Does A Clicking Noise When Turning Usually Mean?
Question 1
What Simple Item Prevents Corrosion On Battery Terminals?
Question 1
What Is The Rubbery Seal Around Your Truck Door Called?
Question 1
What Does It Mean When Your Truck's Exhaust Smokes Blue?
Question 1
What Is The Small Cap You Remove To Add Wiper Fluid?
Question 1
Which Part Connects Your Truck's Driveshaft To The Axle?
Question 1
What Does A Truck Owner Mean By Topping Off Fluids?
Question 1
What Is Someone Doing If They Repack A Wheel Bearing?
Question 1
Which Simple Part Keeps Dirt Out Of Your Fuel Tank?
Question 1
What Does It Mean When Your Truck's Steering Wheel Shakes At Speed?
Question 1
What Is The Metal Shield Under Your Truck's Engine Called?
Question 1
What Does A Truck Owner Mean By Dropping The Tank?
Question 1
What Is The Rubber Boot Around A Steering Tie Rod Called?
Question 1
What Does It Mean When Your Truck Cranks But Won't Fire?
Question 1
Which Part Keeps Your Truck From Bouncing After Every Bump?
Question 1
What Is The Thin Strip Of Metal That Holds Brake Pads In Place?
Question 1
What Does A Truck Owner Mean By Chasing A Vacuum Leak?
Question 1
Which Simple Tool Removes A Rounded-Off Bolt Head?
Question 1
What Is Someone Doing If They Bench Bleed A Master Cylinder?
Question 1
What Does The Tread Wear Indicator Bar On A Tire Tell You?
Question 1
Which Fluid Is Used To Clean Fuel Injectors Without Removing Them?
Question 1
What Is The Small Plug You Pull To Check Differential Fluid?
Question 1
What Is The Sticky Tape Used To Seal Pipe Threads Called?
Question 1
Which Part Keeps Your Truck's Engine Belt Running In A Straight Line?
Question 1
What Does A Truck Owner Mean By Dropping The Diff?
Question 1
What Is The Rubber Sleeve That Protects A Shock Absorber Called?
Question 1
What Is Someone Doing If They Lap A Valve?
Question 1
Which Simple Part Stops Your Hood From Flying Open At Speed?
Question 1
What Does It Mean When Brake Fluid Looks Dark Brown Instead Of Clear?
Question 1
What Is The Coiled Wire That Fires Each Spark Plug Called?
Question 1
What Is Someone Doing If They Chase Threads On A Bolt Hole?
Question 1
Which Inexpensive Part Prevents Your Tailgate From Dropping Too Fast?
Question 1
What Is The Rubber Hose That Carries Coolant To Your Heater Called?
Question 1
What Does A Truck Owner Mean By Pulling The Codes?
Question 1
Which Part Absorbs The Shock When Your Truck Hits A Pothole?
Question 1
What Is Someone Doing If They Prime A Fuel System?
Question 1
What Is The Small Valve On A Tire That Lets Air In And Out?
Question 1
What Does It Mean When Your Truck's Temperature Gauge Climbs Too High?
Question 1
Which Part Opens And Closes To Control Engine Temperature?
Question 1
What Is Someone Doing If They True A Brake Rotor?
Question 1
What Is The Heavy Rubber Mat That Seals Your Firewall Openings Called?
Question 1
What Does A Truck Owner Mean By Sweating A Fitting?
1
The Battery
2
The Alternator
3
The Starter Motor
4
The Fuel Pump
A dead battery is the number one reason trucks fail to start, and it takes just minutes to test with a multimeter.
1
Trim Adhesive
2
Urethane Sealant
3
Weatherstripping
4
Gasket Seal
Urethane windshield adhesive became the industry standard in the 1970s and actually bonds the glass structurally to the body.
1
Power Steering Fluid
2
Brake Fluid
3
Transmission Fluid
4
Coolant
Brake fluid is hygroscopic, meaning it absorbs moisture over time, which lowers its boiling point and reduces stopping power.
1
Overheating Engine
2
It Needs Replacing
3
Loose Battery Cable
4
Low Engine Oil
A squealing serpentine belt has usually cracked or glazed with age and can snap without warning, leaving you stranded with no power steering or charging.
1
A Door Hinge Pin
2
A Door Bumper
3
A Latch Striker
4
A Cab Mount
Door bumpers are tiny rubber cushions that cost under a dollar each, yet replacing worn ones can eliminate an annoying rattle that drives truck owners crazy for years.
1
Adjusting Brake Pressure
2
Removing Air Bubbles
3
Replacing Brake Pads
4
Flushing Old Fluid
Air trapped in brake lines makes the pedal feel spongy, and bleeding pushes that air out through a small valve at each wheel caliper.
1
The Headlight Relay
2
The Light Socket
3
The Dimmer Switch
4
The Adjuster Screw
Most pickup trucks have two adjuster screws per headlight housing, and misaligned beams are a common reason drivers fail safety inspections.
1
Inflate Them To Correct Pressure
2
Align Them To The Frame
3
Spin Them To Check Balance
4
Move Them To New Positions
Rear tires on pickup trucks wear faster under load, so rotating them every 5,000 miles evens out wear and can double overall tire lifespan.
1
Drill It Straight Out
2
Hit It With A Hammer
3
Soak It In Penetrating Oil
4
Heat It With A Torch
Penetrating oil like PB Blaster seeps into rust crystals and breaks the bond overnight, saving you from the nightmare of a snapped bolt stuck in the block.
1
A Tie-Down Rail
2
A Tailgate Seal
3
A Bed Liner
4
A Tonneau Cover
Spray-on bed liners were invented in the 1980s and bond directly to bare metal, blocking moisture and road salt that eat through unprotected truck beds in just a few winters.
1
Coolant Is Leaking In
2
Oil Is Too Old
3
Filter Needs Replacing
4
Engine Is Overheating
Milky or frothy oil means coolant has mixed with it, often signaling a blown head gasket that needs immediate attention.
1
Regulates Coolant Level
2
Filters Engine Air
3
Vents Crankcase Pressure
4
Controls Fuel Flow
The PCV — Positive Crankcase Ventilation — valve was made mandatory on all US cars in 1963 to reduce harmful engine emissions.
1
A Torque Wrench
2
A Socket Wrench
3
An Allen Wrench
4
A Breaker Bar
Torque wrenches click or beep when the correct tightness is reached, preventing the over-tightening that cracks engine components.
1
A Caliper Is Sticking
2
Rotors Are Warped
3
Tires Are Underinflated
4
Pads Are Too New
A stuck brake caliper applies uneven pressure on one wheel, causing the truck to veer — and it can also overheat that wheel dangerously.
1
A Head Gasket
2
An Oil Pan Gasket
3
A Valve Cover Gasket
4
An Intake Manifold Gasket
Head gaskets seal combustion pressure inside the cylinder — a blown one is one of the most expensive repairs a truck owner can face.
1
Low Tire Pressure
2
Loose Lug Nuts
3
Worn Brake Pads
4
Warped Brake Rotors
Rotors warp from repeated heavy braking or sudden cooling with water, and resurfacing or replacing them eliminates the pulsing sensation.
1
Checking The Thread Condition
2
Cleaning Carbon Buildup Off
3
Testing For A Spark
4
Setting The Electrode Distance
Spark plug gap — the tiny space where the spark jumps — must match your engine's spec exactly or misfires and poor fuel economy follow.
1
Power Steering Fluid
2
Transmission Fluid
3
Windshield Washer Fluid
4
Antifreeze
Different colored antifreeze use different chemical inhibitors — mixing them creates a gel-like sludge that can clog your cooling system.
1
A Loose Hubcap
2
Low Power Steering Fluid
3
A Bent Tie Rod
4
A Worn CV Joint
CV — constant velocity — joints flex as your wheels turn and steer, and their protective rubber boots crack with age, letting grease escape.
1
Petroleum Jelly
2
Baking Soda Paste
3
Dielectric Grease
4
WD-40 Spray
Dielectric grease seals terminals from moisture and oxygen — a dab after cleaning costs pennies and can prevent a no-start on a cold morning.
1
A Door Liner
2
A Door Strip
3
A Door Gasket
4
A Door Bumper
Door gaskets compress when you close the door, keeping out wind, water, and road noise on every drive.
1
Air Filter Is Clogged
2
Fuel Is Too Rich
3
Coolant Is Leaking
4
Oil Is Burning
Blue smoke means engine oil is slipping past worn piston rings or valve seals and burning off in the exhaust.
1
The Coolant Cap
2
The Oil Filler Cap
3
The Radiator Cap
4
The Reservoir Cap
Most washer fluid reservoirs hold about a gallon and are marked with a windshield-and-spray symbol on the cap.
1
A Slip Yoke
2
A U-Joint
3
A Tie Rod
4
A CV Joint
U-joints, short for universal joints, allow the driveshaft to flex up and down while still spinning the axle.
1
Testing Their Color
2
Draining Them Out
3
Replacing Them Completely
4
Filling Them Up
Topping off just adds enough fluid to reach the full line — it takes two minutes and prevents bigger problems down the road.
1
Adjusting The Brake Pads
2
Replacing The Grease
3
Tightening The Lug Nuts
4
Balancing The Tire
Wheel bearings need fresh grease every 30,000 miles or so — old dried grease causes that telltale grinding hum while driving.
1
The PCV Valve
2
The Fuel Cap
3
The Air Filter
4
The Fuel Filter
A clogged fuel filter starves the engine of gas and is one of the most overlooked causes of rough idling in older trucks.
1
Oil Is Low
2
Tires Need Balancing
3
Battery Is Weak
4
Brakes Are Worn
Even a tiny weight imbalance — as little as half an ounce — can cause noticeable steering wheel shimmy at highway speeds.
1
A Mud Flap
2
A Splash Guard
3
A Skid Plate
4
A Heat Shield
Skid plates were originally added to off-road trucks in the 1970s to protect the oil pan from rocks and rough terrain.
1
Removing The Transmission
2
Pulling The Engine
3
Draining The Coolant
4
Lowering The Fuel Tank
Dropping the tank means unbolting and lowering the gas tank to reach the fuel pump inside — a common repair on trucks over 100,000 miles.
1
A CV Boot
2
A Sway Bar Boot
3
A Tie Rod Boot
4
A Ball Joint Boot
Tie rod boots keep grease in and dirt out — a torn one lets grit destroy the joint fast.
1
No Fuel Or Spark
2
Seized Engine
3
Dead Battery
4
Blown Head Gasket
Cranking means the starter works fine — the engine just isn't getting the fuel or spark it needs to ignite.
1
The Sway Bar
2
The Control Arm
3
The Shock Absorber
4
The Coil Spring
Springs absorb impact, but shock absorbers dampen the bounce — without them your truck would hop down the road.
1
A Pad Retainer
2
A Rotor Shield
3
A Caliper Bracket
4
A Brake Shim
Pad retainer clips are spring-steel pieces that keep pads seated firmly and prevent them from rattling loose between brake applications.
1
Cleaning The Intake
2
Testing The Fuel Line
3
Finding A Suction Air Loss
4
Replacing The PCV Hose
Mechanics spray carburetor cleaner near hoses to find vacuum leaks — the engine RPM changes instantly when the spot is hit.
1
A Torque Wrench
2
An Extractor Socket
3
A Ratchet Extension
4
A Breaker Bar
Extractor sockets have reverse-spiral teeth that bite harder the more you turn — invented specifically for stripped fasteners.
1
Flushing Old Brake Fluid
2
Purging Air Before Installing
3
Checking For Cylinder Leaks
4
Testing Brake Pressure
Bench bleeding is done on a workbench before the master cylinder goes in — skipping it traps air bubbles that ruin brake feel.
1
The Tire Is Overinflated
2
The Tread Is Uneven
3
The Tire Needs Replacing
4
The Sidewall Is Cracking
When tread wears down to those molded bars — sitting at 2/32 of an inch — the tire is legally unsafe in most states.
1
Carburetor Spray
2
Brake Parts Cleaner
3
Throttle Body Cleaner
4
Fuel Injector Cleaner
Fuel injector cleaner is added right to the gas tank and works as the engine runs — no tools or teardown needed.
1
The Bleeder Screw
2
The Inspection Port
3
The Fill Plug
4
The Drain Plug
If fluid oozes out when you pull the fill plug, the level is correct — if nothing comes out, the differential is dangerously low.
1
Teflon Tape
2
Masking Tape
3
Gaffer Tape
4
Electrical Tape
Teflon tape, invented in 1938, wraps around threaded fittings to create a leak-proof seal without cracking or drying out.
1
The Idler Pulley
2
The Crankshaft Sprocket
3
The Harmonic Balancer
4
The Tensioner Spring
Idler pulleys redirect and guide the serpentine belt around the engine; a worn one wobbles and causes belt squealing or slipping.
1
Replacing The Ring Gear
2
Removing The Driveshaft
3
Lowering The Rear Axle
4
Draining Differential Fluid
Dropping the diff means removing the differential cover to drain old gear oil — most mechanics recommend doing this every 30,000 miles.
1
A Strut Mount
2
A Dust Boot
3
A Jounce Bumper
4
A Sway Bar Bushing
Dust boots shield the shock absorber's polished rod from grit and moisture; a cracked boot causes premature seal failure and fluid leaks.
1
Measuring Its Clearance
2
Grinding It For A Better Seal
3
Replacing Its Spring
4
Cleaning It With Solvent
Valve lapping uses a fine abrasive compound and a hand-held suction tool to polish the valve face against its seat for an airtight fit.
1
The Grille Bracket
2
The Prop Rod Clip
3
The Hood Hinge Pin
4
The Hood Latch Safety
The secondary hood latch is a backup catch that holds the hood if the primary latch releases — federal safety standards have required it since the 1970s.
1
The Calipers Are Overheating
2
Air Has Entered The Lines
3
The Pads Are Worn Out
4
It Has Absorbed Moisture
Brake fluid is hygroscopic — it pulls moisture from the air over time, turning dark and lowering its boiling point, which can cause brake fade.
1
An Ignition Coil
2
A Glow Plug
3
A Distributor Cap
4
A Rotor Button
Modern trucks use a coil-on-plug ignition system — one ignition coil sits directly on each spark plug, replacing the old single coil and distributor cap setup.
1
Tapping A New Hole
2
Cleaning Damaged Threads
3
Drilling The Hole Larger
4
Installing A Thread Insert
A thread chaser — which looks like a tap — runs through a damaged bolt hole to straighten and clean existing threads without removing metal like a tap does.
1
A Bumper Stop Pad
2
A Tailgate Support Cable
3
A Gate Hinge Pin
4
A Bed Latch Striker
Tailgate support cables cost under $20 and take about ten minutes to replace — a snapped cable lets the tailgate slam down and can crack the hinges.
1
A Bypass Hose
2
A Heater Hose
3
A Radiator Hose
4
A Overflow Hose
Heater hoses run hot coolant from the engine into the heater core, which works like a tiny radiator inside your dashboard.
1
Removing The Fuse Box
2
Reading Engine Error Codes
3
Checking The Wiring Harness
4
Resetting The Odometer
Since 1996, all U.S. vehicles have had an OBD-II port that stores fault codes a scanner can read in seconds.
1
The Coil Spring
2
The Control Arm
3
The Sway Bar
4
The Tie Rod
Coil springs compress to soak up impact energy and then rebound — shock absorbers work alongside them to dampen that bounce.
1
Replacing The Fuel Pump
2
Pushing Fuel To The Engine
3
Testing Fuel Pressure
4
Cleaning The Fuel Lines
After running a tank dry or replacing a fuel filter, priming refills the lines so the engine doesn't crank for a long time before starting.
1
A Tire Plug
2
A Core Seal
3
A Valve Stem
4
A Bead Seat
The tiny removable pin inside a valve stem is called the valve core, and a 25-cent core tool can fix a slow leak in under a minute.
1
The Engine Is Overheating
2
The Thermostat Is Stuck Open
3
The Oil Is Low
4
The Alternator Is Failing
Driving even a few miles on an overheating engine can warp the cylinder head, turning a cheap fix into a very expensive repair.
1
The Coolant Reservoir
2
The Water Pump
3
The Radiator Cap
4
The Thermostat
A stuck-closed thermostat causes overheating, but a stuck-open one wastes fuel because the engine never reaches its ideal operating temperature.
1
Replacing The Rotor
2
Painting It For Protection
3
Machining It Flat Again
4
Measuring Its Thickness
A lathe shaves a thin layer off a warped rotor to restore a perfectly flat surface — though most shops today simply swap in a new one.
1
A Dust Shield
2
A Gasket
3
A Grommet
4
A Splash Guard
Grommets protect wiring and hoses from sharp metal edges where they pass through the firewall, preventing slow electrical shorts over time.
1
Tightening A Loose Clamp
2
Sealing With Teflon Tape
3
Pressure Testing A Line
4
Soldering A Pipe Joint
The term comes from the way solder seems to sweat out of the joint as heat draws it in — a technique plumbers have used since the 1800s.
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