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how do i replace the lower radiator hose on a 1997 vw golf jazz, 2.0 engine?

by Ms. Alfreda Hills Published 3 years ago Updated 2 years ago

How do you replace the lower radiator hose on a car?

Remove the lower radiator hose clamps. Loosen the petcock (radiator drain) valve to drain the radiator. If no radiator drain, then remove the lower radiator hose from the radiator to drain the cooling system. Remove the lower radiator hose from the engine. Install hose clamps on new lower radiator hose. Install new lower radiator hose.

How do you replace a water pump hose on a car?

Install the new hose on the lower radiator outlet, water pump inlet, and reservoir tube. Secure the new hose with new hose clamps. Remove the radiator upper hose clamp. Remove the thermostat housing hose clamp. Remove the hose from the upper radiator and disconnect the radiator vent tube.

What should I do if my radiator hose is not draining?

If no radiator drain, then remove the lower radiator hose from the radiator to drain the cooling system. Remove the lower radiator hose from the engine. Install hose clamps on new lower radiator hose.

How to replace the radiator hose on a Ford Explorer?

Remove the thermostat housing hose clamp. Remove the hose from the upper radiator and disconnect the radiator vent tube. Now, you should be able to remove the radiator hose assembly from the vehicle. Replace the upper hose and clamps. Connect the lower portion of the hose to the thermostat housing outlet first.

How do I replace the bottom radiator hose?

DifficultyOpen the hood and locate the vehicle's radiator.Place a drain pan under the radiator. ... Remove the lower radiator hose from the engine. ... Place the clamps over the hose ends. ... Refill radiator with a 50/50 mix of the recommended type of antifreeze and water. ... Leave the radiator cap off and start engine.More items...

How do you change a radiator hose?

9:3715:40How to Replace a Radiator Hose (Upper and Lower) - YouTubeYouTubeStart of suggested clipEnd of suggested clipGet it broken loose start pulling. There you go now we'll just put the hose clamps on the new oneMoreGet it broken loose start pulling. There you go now we'll just put the hose clamps on the new one and get the new one in and then fill it up with coolant. I'll get your hose clamps.

What is the easiest way to remove a radiator hose?

0:091:06How to Loosen A Stuck Radiator Hose - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou get underneath the hose. And then just go all the way around the hose. Just like that thatMoreYou get underneath the hose. And then just go all the way around the hose. Just like that that loosens up that seal. And then slide it right off.

How do you remove an old radiator hose?

1:573:57Stuck Auto Radiator Hoses: Enter One of Kent Bergsma's Favorite ToolsYouTubeStart of suggested clipEnd of suggested clipPosition around the hose. And then you can tip it over or. In this case you would move the tool toMorePosition around the hose. And then you can tip it over or. In this case you would move the tool to the backside. Put the tip in and eventually you'll break it free and you can just easily.

What does the lower radiator hose connect to?

The radiator hose transfers coolant from an engine's water pump to the radiator. An upper hose connects the top of the radiator to the top of the engine. A lower hose connects the bottom of the radiator to the water pump, which keeps coolant flowing through the system.

What tools do I need to replace a radiator hose?

Tools Needed to Replace a Radiator Hose50/50 pre-mixed coolant (consult your owner's manual to determine the correct type of coolant for your vehicle)Air compressor (recommended)Cooling system vacuum fill tool (recommended)Fluid catch pan.Fluid container.Jack and jack stands.Pliers.Screwdrivers.More items...•

Why is my lower radiator hose leaking?

Unfortunately, even the best hoses will eventually wear out over time. Hose leaks are the most common result of this, and they occur when cracks or abrasions form on the hose. Over time, the cracks get bigger, causing it to leak coolant.

Where is the lower radiator hose located?

Most vehicle cooling systems are comprised of four main hoses. The upper radiator hose is connected to the thermostat housing and to the radiator. From the bottom of the radiator, is the lower radiator hose that is directed to the water pump.

Can you use WD40 on rubber hoses?

WD40 is just a penetrating oil spray - it's not a caustic rust remover or some aggressive chemical. Just a "water displacing" (WD) oil spray and its generally pretty safe (safe for paint, chrome, rubber, glass, body plastics - most materials cars are made out of).

How do you remove a hose from an engine?

0:502:09TRICK to easily removing stuck rubber hoses - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd there's a couple other methods I'll show you how to do as well. Sometimes a pair of pliers justMoreAnd there's a couple other methods I'll show you how to do as well. Sometimes a pair of pliers just kind of moving it back and forth. You'll actually feel the hose snap.

How do you get a hose off?

The first thing to do is try using a wrench or pliers. First, spray some WD-40 or other lubricant into the threads and let it sit. Then, use the wrench or pliers to try to loosen the hose. If that doesn't work, don't fear.

How do you install a tight radiator hose?

0:071:43Stubborn Radiator Hose Install - YouTubeYouTubeStart of suggested clipEnd of suggested clipAs i said you've got you've got a double or o-ring on this radiator. So the way to do it is just toMoreAs i said you've got you've got a double or o-ring on this radiator. So the way to do it is just to use a little bit of this this hand cleaner. And then just uh soap it up now this has pebbles in it.

The cooling system on your vehicle is one of the most important and yet neglected parts of the car

Nothing can leave you stranded faster than not replacing a rubber hose before it goes bad. I recommend inspecting your hoses and couplings every two years or so. As they age, they have a tendency to get hard and brittle. When you gently squeeze a hose, it should be relatively soft and easy to indent with your hand.

Project Photos

Figure 1 With the front of the vehicle removed you can see the major hoses you will want to check or replace. Note; you do NOT need to remove the front of the car to perform this work this is strictly for demonstration purposes.

Why replace a radiator hose?

It is important to replace worn or leaking hoses to prevent future failure of these hoses where they may burst , causing engine overheating. Since replacing a radiator hose on your own can be messy, you may want to request a professional mechanic, such as one from YourMechanic, to do it for you.

How many hoses are there in a radiator?

This allows your vehicle to operate at the perfect temperature and provides you with a smooth ride. There are two hoses that connect to the radiator. The upper hose attaches from the top of the radiator to the top of the engine. The lower hose attaches to the bottom of the radiator to the water pump of the engine.

How to bleed a cooling system?

There are a few different methods for bleeding the cooling system: Step 5: Top off the coolant. Top off the coolant in the radiator and reservoir. Then, reinstall the radiator cap.

What happens if a radiator hose fails?

If the radiator hose of your car fails, it can lead to loss of coolant and subsequent engine overheating. Overheating can lead to further engine damage. If you suspect that either radiator hose is failing, replace the faulty hose as soon as possible.

Why is the radiator hose important?

The hose carries the coolant to the radiator, where the fluid is cooled, then back to the engine to keep the vehicle from overheating. This allows your vehicle to operate at the perfect temperature and provides you with a smooth ride.

How to remove a hose clamp?

To remove a spring tension clamp, squeeze it with pliers and pull it back on the hose, away from the connection.

How to ensure you are getting the proper radiator fluid mixture?

Tip: The easiest way to ensure you are getting the proper radiator fluid mixture is to buy pre-mixed radiator fluid.

Where is the radiator hose located on a front wheel drive car?

The second radiator hose is located at the bottom of the engine coming off of the water pump running to the bottom of the radiator . Thanks!

How to fix a leaking radiator hose?

Begin by identifying the leaking radiator hose that needs to be replaced. Do this by running the car to operating temperature. Park the car on level ground with the engine running in park and emergency brake set. With the car running, visually inspect the hoses for collapse or leaks and do the same thing with the engine off.

How to tighten a hose?

Slide the clamps down the hose to within the width of the clamp off the end of the hose and tighten as necessary.

How to remove a hose that has been on for a long time?

If the hose has been on it for a long time, you may need to split the end of the hose with a box cutter and peel it off the end.

Where to put petcock on radiator?

Close petcock on the bottom of radiator and begin filling of radiator with the proper mixture and type of coolant.

Where is the thermostat housing on a car?

There will be a top hose running from the radiator to the engine thermostat housing (usually located at the top section of the engine above the water pump). On a rear-wheel-drive car, it will be at the front of the engine. On a front-wheel-drive car, you will find it on the right (or passenger side) of the car.

Can coolant be drained from the ground?

Do not dra in coolant onto the ground, as this is hazardous waste and needs to be disposed of properly.

How to remove radiator from car?

Many radiators can be removed by lifting up and out of the vehicle , but some need to be removed from underneath the vehicle.

How long does it take to replace a radiator?

Replacing a radiator can take most of a day, but, with care and patience, it is is doable. In order to replace a radiator, you'll need to drain the old radiator, detach any the parts keeping it in place, remove it, install a new radiator, re-install any parts that were removed, and add coolant.

What is the best water to coolant ratio?

Use distilled water for mixing and adding to the cooling system. The water to coolant ratio must be correct. Most applications use a 50/50 mixture although some may require a stronger coolant ratio. Refer to a Repair Manual for specific applications for your vehicle and typical annual weather.

Can you flush and fill coolant?

Unless the coolant was recently replaced, we highly recommend performing a flush and fill. The old, drained coolant can become contaminated with debris or transmission fluid during the process of replacing the radiator, and its a safe bet to just flush and install new coolant. Use distilled water for mixing and adding to the cooling system.

Why do we need radiator hoses?

Radiator hoses are essential in keeping coolant at the appropriate temperature throughout your engine and cooling system. This not only keeps the engine running at the optimal temperature, but also keeps your vehicle’s heater working at its best. Radiator hoses should be firm, but not hard.

Where to put drain pan on radiator?

Place the drain pan underneath the radiator. Make sure to use a clean pan if you intend to reuse the coolant.

How to check coolant level on a car?

With the engine running, turn on the heat. Once warm air starts blowing, turn the car off, wait for it to cool, and check the coolant level. Now, you may need to top off the reservoir with coolant so that it’s at the optimal level. Check for any leaks underneath the vehicle.

How to remove clips from reservoir supply hose?

Use pliers to remove the clips from the reservoir supply hose.

Is a radiator hose hard?

Radiator hoses should be firm, but not hard. A hose that feels brittle, spongy or soft should be replaced, even if only one spot on the hose doesn’t feel right. A leaky radiator hose can cause your vehicle to leak coolant, which can lead to overheating and other serious issues.

Can you use WD-40 to remove hoses?

Do It Right: It is possible to damage the radiator in the process of removing stubborn hoses, so it’s important to do this very carefully. If the hoses aren’t easily removed, you can also use WD-40 to help loosen them. You can also use a pick or screwdriver to loosen the hose around the radiator outlet, or cut a relief in the old hoses, since you'll be replacing them anyway.

Do you tighten threaded hose clamps?

Do It Right: If you use threaded hose clamps, make sure to tighten the clamps to manufacturer specifications.

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