Welcome to RodsShop’s guide for Lincoln Town Car Intake Manifold Replacement, 4.6L V8 engine between 1996 to 2000. If you own a Lincoln Town Car within this range, you might aware of the coolant leak from the intake manifold. This was a heavily known issue and there was a recall. The recall is over but not to worry, the instructions and parts are listed here.
There was a recall on certain Lincoln Town Car models between 1998 and 2001. The recall was for a coolant leak that could develop in the intake manifold. The leak could cause the engine to overheat, which could lead to engine damage. Learn how to replace the intake manifold on a Lincoln Town Car 4.6L and where to get the parts.
Known common areas the factory manifolds fail at.
This comprehensive guide, I’ll walk you through the step-by-step process of replacing the intake manifold on your Lincoln Town Car 4.6L engine. Whether you’re a seasoned DIY enthusiast or a novice looking to save on repair costs, my detailed instructions and expert tips will help you tackle this task with confidence.
The Step-by-Step Guides for the Lincoln Town Car Intake Manifold Replacement
In this article, there are two versions of this guide below. One is a quick reference that summarizes the steps for the Lincoln Town Car intake manifold replacement procedure. The other will navigate you to a page that provides in-depth instructions. This page includes full descriptions with tips and all the torque specs and torque sequence diagram.
If you are somewhat experienced in this type of procedure, the quick reference may be all you need. However, if you are looking for the torque specs and tightening sequence, you will want to use the full procedure version.
Summarized Version for Lincoln Town Car Intake Manifold Replacement
Disassembly
- Relieve Fuel Pressure: Pull the fuel pump fuse and let the car run until it stops to release pressure.
- Disconnect Battery: Loosen and remove the negative terminal of the battery.
- Drain Engine Coolant: Locate and open the drain plug on the radiator to drain coolant into a pan.
- Serpentine Belt Removal: Note belt routing, release tension, and remove the belt from pulleys.
- Alternator and Bracket Removal: Disconnect electrical connections, remove bolts, and take out alternator and bracket.
- Engine Cover and Air Breather Tube Removal: Disconnect various hoses and sensors, then remove the cover and breather tube.
- Throttle Body Assembly Removal: Disconnect cables, hoses, and bolts securing the throttle body, then remove it.
- Remove Fuel Lines: Disconnect fuel lines from the fuel rails using appropriate tools.
- Disconnect Fuel Injector, IGN Coil Pack Connectors and Remove IGN Coil Packs: Disconnect connectors, remove bolts, and take out coil packs.
- Cowl Vent Wiper Unit Removal: Remove the wiper unit to access bolts hindering manifold removal.
- Remove Intake Manifold: Loosen and remove bolts securing the manifold, then lift it off.
Cleanup and Swapping Over
- Engine Cleanup and Prep for New Manifold: Clean mating surfaces and inspect for debris. Replace spark plugs and coil packs if necessary.
- Swap Over Fuel Rail: Remove and clean injectors and rails, install new o-rings, and attach them to the new manifold.
- Swap Over Thermostat Housing and Replace Thermostat: Clean and transfer housing and install a new thermostat, ensuring proper sealing.
Reassemble
- Install the New Intake Manifold: Secure the new manifold with bolts, following the tightening sequence.
- Reassemble Coil Packs, Fuel Rails, and Lines: Install coil packs, tighten bolts on fuel rails, and reconnect fuel lines.
- Reassemble Throttle Body: Clean surfaces, install throttle body, reconnect hoses and electrical connectors, and reinstall throttle spring.
- Swap Over Any Sensors: Transfer or replace sensors on the manifold, ensuring proper sealing and thread sealing.
- Reinstall Back Bracket: Attach the bracket that bolts to the back of the engine.
- Reinstall Alternator: Reconnect wires and connectors to the alternator, install bolts, and tighten.
- Serpentine Belt – Upper Radiator Hose: Replace the serpentine belt if necessary, ensuring proper routing. Reattach upper radiator hose.
- Reinstall the Air Intake Tube – Engine Cover: Attach the air intake tube, reconnect sensors, and reinstall the engine cover.
- Fluids – Battery – Start: Refill coolant reservoir, check for leaks, reconnect battery, and start the engine. Check for leaks again and monitor coolant level.
- Reinstall Cowl Vent Wiper Unit – Final Step: Reinstall the wiper unit, ensuring proper electrical connections, and test wiper operation. Monitor coolant level over the next few days.
Join RodsShop Newsletter!
Keep up to date with the latest post, "How To' information, Products and much more. I will never blow up your inbox with useless info. My mission is to help the DIY car enthusiast.
I agree to receive emails from RodsShop, Privacy Policy and Terms
Full Version for Lincoln Town Car Intake Manifold Replacement
To access the full version for this procedure, click the button below. This button takes you straight to the page, no sign ups or anything like that. The full version page is fairly large and wasn’t made like a regular blog post, that is what the redirect is for.
4.6L Intake Manifold Video
Lincoln Town Car Torque Sequence
For the torque specifications, you will need to go to the Full Version Page.
Auto Mechanics Guide and Tips
Learn Automotive Repair And Maintenance For Beginner's
FREE Guide that can take any newbie into a DIY Home Mechanic. Save yourself big bucks on regular maintenance and routine diagnostics. Be in the know of what is wrong with your vehicle before getting taken advantage of at the big shops...