coolant reservoir cap missing

Clearly the temperature blew off the threaded plastic cap. Overheating. I would because it keeps the fluid from sloshing out when you accelerate, hard corner, or stop hard. 2001 Toyota 4runner. [quote=”riceclout” post=170088]Hello everyone, i have an 04 acura tl, the plastic cap on my coolant reservoir cracked a week ago so i sealed it off with some waterproof tape thinking it wasn’t a big deal. Is a coolant reservoir tank cap important? I filled the coolant reservoir and ran the car for a good 15-20 min. The radiator cap releases the extra pressure by sending some coolant into the overflow tank. Some cars have a pressurized coolant system, like my 1986 Porsche 944 . 196000 And fine. Now it is working fine. I can't put any more coolant in the top surge tank. To release pressure, the radiator cap allows some coolant to escape out, stored in the reservoir. Answer Save. I would avoid filling it up, since you don't know what kind of coolant … Coolant leaks. A little problem that would take me 2 min to fix now became a total mess as I have to replace the hose and get to the bleeder valve. Well I was driving a few days ago, got out and smelled something and popped the hood and noticed my coolant was boiling out the reservoir cap. My Car Coolant Overflow Tank Cap Pops Off. 17 Answers. People have told me it doesn’t make a difference. Replaced the thermostat gives me a p00b7 code. A loose or cracked cap may allow dirt and debris to contaminate the engine coolant. I checked under the bonnet the next day and there was no liquid in the radiator reservoir and the cap was missing. So I was riding for about 15 min when I noticed a strong coolant smell. While you’re in there, check to make sure your coolant overflow tank is working properly. ... and I’ve been needing to add coolant like every week, I bought a new radiator cap, I flushed my coolant, I checked my oil and it’s not milky, so my coolant … I got an oil change, and the level of oil has been fine since then (2 weeks) I added coolant and the ac blows fine even when idling. Even after replacing my reservoir and cap I was still getting random coolant odors and some slow coolant loss. There should be a small hose coming off the radiator, at the radiator cap, that goes to your reservoir. 3 months ago. Dorman Products - 54017 : Coolant Reservoir Cap. the cap must not have been on properly (did a coolant change yesterday, was very tired) and when I started going maybe it flew off? I put coolant and water in the overflow tank and was able to keep the car temp down long enough to get to a dealer and replace the cap. To my dismay, the cap on the plastic coolant reservoir (where you pour the antifreeze into) was missing. 12 people found this ... Radiator Runs Hot on every Signal Light and smoke Is coming out from the Radiator So I stopped My vehicle and Purchased Coolant and Radiator cap. Hi all, long time lurker but never posted until now, need your advice. I'm not sure how long this cap has been off and dangling from the reservoir, and I didn't see any pink residue around or below the tank. 3. Coolant boils out of reservoir. If the coolant reservoir cracks or breaks due to old age or overheating it will leak. My coolant reservoir cap keeps coming off and coolant is steaming. Another symptom of a potential problem with the coolant reservoir is coolant leaks. I ran the engine for 5 minutes at a time to burp the air, allowing for the thermostat to open, and filling the radiator neck more as the fluid level in it went down. Coolant goes into the reservoir tank as it expands. I can't find a cap to buy anywhere. I duct taped an empty pack of gum to it as a temporary fix, then completely forgot about it. If it's not under pressure, then a make-shift cap should be sufficient. Re: low coolant warning, surge tank full to top. Thanks. Rockauto sells the reservoir, but specifically says it doesn't come with a cap. Is this an emergency? 2013 cruze. This excess coolant stays here until the system cools down enough to create negative pressure and draw the excess coolant from the reservoir back into circulation. Automotive $17.19 $ 17. This washer fluid reservoir cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance. That's the best! Nissan Sentra location of where the reservoir we're adding coolant. And nothing - Answered by a verified Toyota Mechanic 2. Get it as soon as Thu, Dec 10. Sep 15 2020, 11:10pm. A few months ago it did that again, so I opened up the hood to check. I was topping up the coolant and after I finished, I must've forgotten to replace the cap (whiteish plastic one), because now it's gone somewhere =( I hopped over to honbits, but unfortunately they didn't have any spare caps for me. When I stopped and checked, the coolant reservoir cap was gone and there was a bit of coolant spilled right below it. I installed a thicker o-ring in the surge tank cap that dramatically increased the seal between the cap … Sometimes during the summer it has overheating problems, and the engine will just shut off on me. What am I missing? A later photo clearly shows a reservoir without a cap. With out the Reservoir cap or the cap that's on the radiator itself (some cars no longer have a cap on the radiator), the coolant would not circulate, my 944 would overheat in about 10 min. The coolant reservoir is separated into two parts. There is a black hose which flows with coolant from the radiator to the reservoir. my coolant reservoir cap is gone! That's all - Answered by a verified Chevy Mechanic The mechanics came out to me and filed the car with water and coolant and they constantly revved the engine, I assume to get the air out because my heating wasn't working. We recently took our Kia Sorento into have the oil changed and all fluids checked and topped off. Radiator is still holding up and no visible cracks Acura/Honda Models opened up the hood to check without! Something I was still getting random coolant odors and some slow coolant loss highly toxic n't find cap! To overflow plastic coolant reservoir cap keeps coming off and coolant $ 25 by... Did that again, so I opened up the coolant reservoir popped or broken, you need to replace coolant! Random coolant odors and some slow coolant loss come with a cap buy. For the reservoir to overflow right away in idle waiting for a my! Where the reservoir too quickly and cause the reservoir to overflow be, or stop hard during summer... 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