![]() Tra monoblocco e testata è interposta quella che in gergo viene chiamata "la guarnizione di testa". L'alluminio ha un coefficiente di dilatazione termica quasi doppio rispetto alla ghisa. "La stragrande maggioranza dei motori diesel moderni ha un sistema di costruzione di tipo "misto": monoblocco in ghisa e testata in alluminio. I dare to post it knowing full well that most of the message will be lost in translation, use Bing translator to make heads or tails of it. The following is a cut and paste of just one of the posts. ![]() This is an ongoing search using Bing translator. Aluminum head and the ironblock reach proper operating temps at different times, we must wait for the engine to reach normal operating temps in unison before stomping on it. Eliminate quick temperature spikes before the engine has a chance to fully warm up. Not allowing the engine to reach proper operating temps before pressing the pedal to the metal. Replacing and adding a small air purge hose on top of the system to a larger diameter hose solved the problem.Ģ. Trapped air or vapor in the cooling system causing cylinder head problems in Land Rovers. I've been scouring the italian forums searching for VM motori cylinder head issues, and here is what I have concluded so far.ġ. But its 7 years old now, needs to be changed. I've got your procedure printed out and ready to go as soon as I'm satisfied I've fixed this issue.Įver mix coolants? > Nope, original coolant looks good, flows freely and has low viscosity. Would really like to do a running flush, but I afraid I'd be blazing a trail. Your experience has me a little gun shy so I want to do it right. wanted to make sure everything was working correctly before I did the change. ![]() I'm planning on changing it soon, but in the process of checking the cooling system to make sure everything was ready, I ran into this problem. I've probably put in about 1 1/2 gallons over the last 30k, replacing fluid I've drained. Is the coolant in the system still OEM original from the factory? > well mostly, except for the little bit of work I've done on the cooling system. Swapped your thermostat lately? > I changed it out about 30000 miles ago, bled the system then, think I got most of the air out, didn't drain it, just took off the thermostat, most ended up on the floor, amount I added was about 1/2 of a gallon, pretty much what I estimated I washed down the driveway. In order for the air bubbles (which can become trapped) not to enter back into the system when adding new coolant, make sure all openings have been sealed off tightly before starting the car again.Good questions from Doctor Racertracer, I know you speak from experience The other way of determining how much coolant should go into your Jeep Liberty would be by checking if the overflow reservoir on top of your engine has been filled with water during this process. If it’s below half full or barely any liquid left, then that means you’ll need more coolant and will want to fill up accordingly. If you are looking to add fluid to your radiator, the best thing would be to take a look at how much is currently there. The best type of coolant to use would depend on where you live in North America or Europe because there are different climates that require different types of cooling agents as well as other factors such as engine size and age.Īnd how much radiator fluid do you need for a Jeep Liberty? Now that you’ve done everything needed to drain a Jeep Liberty radiator, all that is left is refilling with coolant! Once the clamps have been removed, open and close your Jeep Liberty’s hood for about five minutes so air can be released from the system. The last thing left before refilling with coolant would be removing both upper clamps on either side of your vehicle, as these are where the radiator hoses are connected to. You have drained all the fluid from the radiator. This will allow for any remaining water within your system to be drained out through this opening when turned off. ![]() Once that has happened, you will need to unscrew and remove the lower hose clamp at the bottom of your Jeep Liberty’s engine bay. Now, it’s time for you to use a funnel and pour water into the radiator until all air bubbles have been released from inside. The next step is to open the radiator drain petcock valve on top of the radiator. The first step in draining your Jeep Liberty radiator is to remove the overflow reservoir cap. If you want more information about other procedures related to car care check out our blog page! Drain the radiator This blog post will show how to drain the radiator on a Jeep Liberty without taking off any hoses. However, if you are not mechanically inclined or caring for an older vehicle, it is probably best to take your car into a shop and have them do this work for you. If you are a mechanic, the steps below should be able to help.
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