assembling my J30 timing belt project.

Using RTV ULTRA GRAY to seal the inlet & outlet tubes to the engine. The instructions say to wait 24 hours to cure before adding liquid.

Is this really a necessary wait period or can I add antifreeze say in a couple of hours.

Thanks

24 hours is to allow full cure, and should be followed.

thank you

After replacing the timing belt, waterpump, etc, I filled the coolant system and the antifreeze started streaming out the bottom of timing cover. Not actually steaming but not a drip either. Putting the cap back on radiator stops the stream so probably not completely sealed or not enough RTV applied.. Used Ultra Gray Permatex. I did wait 22 hours for the sealant to cure.

Traced it to the thermostat pipe outlet. The book calls for removing both water pipes to replace the thermostat housing but I am able to access the bolt and two nuts without taking off the upper pipe. I am just trying to save time and reduce risk the upper pipe might leak when putting it back together. This project has been a real nightmare and wish I had taken it to a dealer.