0331 cracked head problems

Jeep just overheated the other day on the way home from work 34miles. Im worried that i may have one of the weak heads in my jeep. Xj cracked head check out a promaxxperformance replacement. Does anyone on here have any ideas as to anything that would pose an issue with the swap. Came as a completely new,valves,springs,head cast is more solid than the factory cracked 0331 head. Once again this is an all new head, only one i found that wasnt a billion dollars. The tupy head was also a 0331 head that had been redesigned with a thicker deck. My brother thought it was a cracked head or gasket.

The search for this cherokee started out as a replacement for a current xj at the time that lived a long hard life and eventually started showing early signs of the notorious 0331 cracked cylinder head problems, which were common for lateyear 9901, when the. What head should i order that isnt an 0331 i want direct bolt up everything fit perfect if possible. Year models between 2000 and 2001 which used the 0331 cylinder head were prone to cylinder head cracking and oil leaks. Most common problems with 19972001 jeep cherokee xj duration. You may browse the list of jeep cylinder heads below or use the search form below to find the cylinder head for your specific jeep vehicle. Product is a great value,all new, with no core to hasel with. Keep an eye on the oil dipstick for signs of water. The most common reason for cylinder head failure is overheating caused by, for example, coolant loss, head gasket failure or restricted flow of coolant. The 4 liter jeep engine is one of amcs bestknown engines. As with many other xj owners, my cylinder head is cracked due to the defective 0331 head. After reading up in everything, it seems mine is a prime candidate for the cracked head issue. So i cant believe that the crack is purely due to overheating. If you think that you are having problems with the heads then conduct a compression test on the cylinders. With a massive online catalog of heads, you can view cchs inventory of ford v10 cylinder heads.

Any one elts see this on the gm service site or experience it. The 0331 head cracking issue is blown out of proportion on here. All three of these are are 0331 heads because of the design of the ports, and all three of them. I bought the jeep about 3 years ago, and about a year ago coolant started leaking into the oil. White smoke coming from the engine can indicate a catastrophic failure of the cylinder head, in which exhaust gases are vented directly into the. Just like the title states a massive crack somewhere inside the head or block. A cracked cylinder head can be the cause of a lot of problems in your vehicle without immediately presenting itself as the cause. However the problem was resolved in the 2003 model year by recasting the head with. Today, i have 71,000 miles on it and i dont have any problems with thickcasting head. If you do not see your jeep head listed below, then please call us at 18005721963. As a result, this lead to catastrophic engine failure. In extreme cases a cracked or damaged cylinder head can result in terminal damage to the entire engine.

A blown cylinder head gasket can cause oil to mix with the antifreeze fluid. A cracked engine head is such a serious mechanical problem that it can severely impact a cars ability to perform properly or even to run at all. I did the homework before buying this head, i have found none of the problems adressed on the net. But the same can happen with a cracked engine block so another symptom must also be present. So if you need to add coolant and cant find a leak with an inspection, suspect a cracked head. I bought the jeep about 3 years ago, and about a year. Should i not buy a 2000 tj because of the 0331 head problem. This article will present you with the four most common ways to test for a blown head gasket on a jeep 4. If i do the head, this will obvioulsy solve the coolant loss problem but.

The cracking of the head is not a major problem to me. All three of these are are 0331 heads because of the design of the ports, and all three of them have 0331 cast into them in the same spot. Turned on the heater and temp immediately dropped to normal driving temp. You can also buy an aftermarket 0331 head from clearwater that has a thicker deck to prevent the cracks. Mine is cracked, but the crack is small and the leak is slow, so i have a little time. These issues include white smoke coming out of the tailpipe and antifreeze within the radiator starting to bubble. Ohhh mani think the 0331 head curse is about to get me. If my coolant is low or my oil is high then i know i might have a problem. Usually once a head cracks, the rest of the engine is usually junk. Im sure youre looking for some quick answers about this adapter plate, so lets get right to.

I did the homework before buying this head, i have found none of the problems adressed on. If the coolant is leaked into the oil, then it wont be able to do its job properly of cooling down the engines components. Its a casting flaw that only impacts some of the jeeps. And then it isnt the head that gives up, its the head gaskets. However, i am not getting terrible oil pressure loss drops to 15 psi at hot idle and my coolant loss is a slow leak less than 0. If youve found your way here, then you probably already have a cracked 0331 head in your jeep or you are thinking about a preemptive replacement of your 0331 in favor of the more reliable 0630 or 7120 heads. There are a few common symptoms of a cracked engine head. C15 cracked head discussion in trucks eighteen wheelers started by robnozz, mar 30, 2010. Everything bolted together flawlessly and it runs great not a single issue with close to 500. I have decided to buy a used late model 0331 head and remove it from the donor vehicle myself, that way im certain that im getting what i want. Anything i can look for to see if there may be an issue with the head. And in your case you may find the problem is only a head gasket and not a cracked head. Numerous problems become apparent when your engine cylinder head for jeep cherokee stops functioning.

Buy any head other than 0331 add bracket to hold coil rail or adapt a 3. How to identify 0331 or tupy head jeep wrangler tj forum. Tucked between the engine block and the cylinder head, the primary function of a head gasket is to seal in the internal. Early 0331 head castings are prone to cracking, causing coolant to contaminate the oil. How to tell if your cylinder head is bad or cracked. Does anyone on here have any ideas as to anything that would pose an. But what i would like to hear is what percentage of 0331 head failure was either. They show up as either coolant in the oil or steam in the exhaust, or both. Certain years were susceptible to cracked heads due to a casting flaws. In fact, it can cause you headaches in nearly every facet of an engines operation. Resulting from a cracked head gasket, an engine can consume extra oil or coolant, so troubleshooting cracked head gasket symptoms is extremely vital. I would have to say it probably not even close to 100% or even close to 50% of the 0331 heads that crack. I talked with several mechanic friends and the head fleet mechanic at work told me the cracked head is. I know that the older heads do not have the mounting bosses for the coil rail but that wont pose a problem.

I believe this is the same kind of scenario with the pistons. I noticed the coolant has been low and have replaced some twice now in about a month long period. My jeep was well maintained and should not have had a cracked cylinder head. We specialize in providing quality and warrantybacked rebuilt cylinder heads for a variety of vehicles. All four are very simple and easy tests that will help you confirm or disconfirm a blown head gasket.

Rockauto ships auto parts and body parts from over 300 manufacturers to customers doors worldwide, all at warehouse prices. The cost of a cracked cylinder head repair job will vary depending on the make and model of the vehicle that its in. Jeep cherokee what cylinder head do i order cracked my 0331 head so im ordering a new one. By understanding how to locate and rectify the defect with the cylinder, you can ensure that your vehicle continues to run smoothly causes. The 2001 jeep cherokee has 7 nhtsa complaints for the engine at 97857 miles. You will never be charged extra because your old head is damaged. I drove my jeep from southern california to denvergreeley in colorado. My opinion is that like the 0331 head casting flaw, it is a casting flaw in the piston. Jeeps engines are widely considered to be bulletproof and reliable. All xj nonmodifiedstock questions go here 0001 xj cracked cylinder head overview after doing a lot of reading on various forums regarding jeep 4. Mine was at 117k miles, and the average mileage for failure seems to be 100k 120k miles. I have confirmed that i have the cracked 0331 head at 2k. Forums and the internet usually only post the negative side of things, no one starts a post on how great the 0331 head is.

Certainly not all with the 0001 will experience a cracked 0331 head, but enough do to make it a very viable concern. Purchase directly online from clearwater cylinder heads. The head gasket is an essential component of the engine system of a vehicle. Found to be cracked head, apparently a common issue with this vehicle. Odds are that we do have your head, but we have not added it into the online store yet. Cch is a reputable, experienced over 25 years dealer.

One of the main causes of a cracked cylinder head is an overheated engine so it is important to maintain your engine to. You must deal with any problems as soon as possible to try and prevent this from happening. High mileage wranglers should not be your main concern but rather how the jeep was maintained. Awful lot of 20002001 wranglers with well over 150,000 miles with the 0331 head with no problems. After tearing the motor apart and sending the head to be checked, two large cracks were found. Confirmed cracked 0331 head on 01, how should i proceed.