97 camry
changed out some leaking hoses to heater core and now heat is weak so question is there a brass restrictor in one of the lines, I found something that looked like one but didn't know if it came out of hose and might cause weak heat, also changed anti-freeze and wondered if it is possible I have too much and not enough water causing the problem.
second problem is I changed rear strut mounts and shocks and noise from upper strut mount area worse now

I torqued small bolts to spec but even after cranking down on center and bigger bolt (top of shock) couldn't seem to
get 36ft/lbs of torque and was afraid if I kept cranking I would strip or brake top of shock threaded rod. any ideas or do I keep cranking??