When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
it's bypassed, but i think the shop just left it on there anyway.
just ordered a csf 4503, 16psi version of the cap. obviously that doesn't necessarily solve a leak, but i think i'd like to switch anyway. theoretically lowers boiling point but i have not had any issues with cooling.
Running higher pressure is fine, but you have to test the system to at least that much pressure. When testing, I'll usually add 20% above the cap rating. If I'm chasing a pesky leak, I might give it some more. Lowering the pressure is also fine, especially if your rubber and clamps are on the older side. Obviously higher pressure is more stress on the components.
it's bypassed, but i think the shop just left it on there anyway.
just ordered a csf 4503, 16psi version of the cap. obviously that doesn't necessarily solve a leak, but i think i'd like to switch anyway. theoretically lowers boiling point but i have not had any issues with cooling.
Interesting,
How have they bypassed it? because the one above my blue circle in my photo is the throttlebody coolant feed. and the one circled im pretty sure is the coolant return? Hard to tell from a photo.
Just wondering if they might not have bypassed it properly and its leaking out of there and squirting around or out of your bypass. I cant remember where the TB return goes back into the coolant system but if they havnt blanked that side of either it could be leaking out of there.
low pressure isn't really the goal of a coolant system, it's designed to hold the pressure that it's designed to hold.
those bolts are just the areas that the bypass is connected, at least the right side one (nearer to driver's side). i've readjusted the hose connected to that one and going to take a drive today to run an errand, so we'll see if that's had any impact. kinda doubt it, but you guys are at least giving me hope that it's not the head gasket.
ok - definitely not the hose that we readjusted. bone dry and i literally opened the engine to watch a drop trickle down the path on the transmission. i just cannot see further back from this area to see the source
+1 on renting the pressure tester. When the temp is tolerable, you can also start feeling around with your hand/fingers to see what is wet. Places of interest:
low pressure isn't really the goal of a coolant system, it's designed to hold the pressure that it's designed to hold.
.
Not a goal; a perk. I don't need higher pressures since I'm not trying to keep the water from boiling. I'm still on my OEM radiator with 140k miles on it.
Not a goal; a perk. I don't need higher pressures since I'm not trying to keep the water from boiling. I'm still on my OEM radiator with 140k miles on it.
Jan 12, 2022, 09:31 AM
What?! It's beeeaaaauuutiful!