M112 V6 Complete Breather and Valve Cover Oil Leak Repair Kit w/ Video Instructions.

1. This will cause the breather covers to leak prematurely: Improper cleaning and the use of inferior sealant. 

2. What will cause the valve cover gaskets to leak prematurely are the use of low-quality gaskets, improper use of "sealants," and incorrect torque settings and sequence.

WHY do it yourself: Most shops cannot deliver the level of cleaning and attention to detail required. If they did, people would not be willing to pay. When you see what is required (above) to do the job correctly, which is NOT difficult but can be time-consuming, I think you can understand why if you want it done correctly, you will need to do it yourself. Do not let a mechanic do this job for you unless you drill him on how he is going to thoroughly clean the mating surfaces.

This complete kit includes the following:

• Our complete breather cover reseal kit includes proper sealant and  stainless bolts ( see details below)
• High-quality V/6 European R and L valve cover gaskets (DO NOT use cheap aftermarket gaskets on these V8 engines)
• Two on-demand videos - One for removing and replacing the coil packs and one for resealing both valve and breather covers.

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Unless the breather hoses on top of your engine have recently been replaced, they most likely will not survive trying to reuse them after replacing the covers. More often than not, they will be so hard they will have to be cut to remove them from your breather covers. See related products below to order.