Quote:
Originally Posted by dkranger94
Hey guys I have a 94 w/ the 4.0 and it has a bad tick. Its there till the truck completely warms up. But it gets loud then get quiet. I had to take my thermostat out cause it was getting too hot with our weather we are having. Thought it might be a lifter but at times it sounds like 2 different noises. It just baffles me that it goes away when it warms up. I have tried almost everything to make it stop except tear it apart. Anything will help
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a) early(ish) build 4.0 valve train noise.......commonly caused by pushrod (upper end tip) and/or rocker arm wear.
b) put your thermostat back in (after you prove it's working like it's supposed to, AND if it's a Motorcraft brand t-stat) and find the the real cause of the overheating. Start by making sure it can get good airflow through the radiator and A/C condenser. If equipped with A/C, be aware that chit can build up between the two and restrict airflow. Price is right and won't take much time, really.