What am I missing? [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. You could probably buy a replacement cap at pep-boys if one is near by (or closer than SC). That's the best! And nothing - Answered by a verified Toyota Mechanic Answer Save. In pressurized systems, a failing coolant reservoir cap may even cause expensive engine damage or failure. While you’re in there, check to make sure your coolant overflow tank is working properly. Top up the coolant in your radiator and fill the reservoir to the min. If you have a bad radiator cap, the coolant could get released too quickly and cause the reservoir to overflow. A loose or cracked cap may allow dirt and debris to contaminate the engine coolant. Coolant Reservoir Cap (249) Engine Coolant Reservoir Clip (16) Engine Coolant Reservoir Grommet (1) PRODUCT RATINGS (8) refine search by 5.0 star rating (11) refine search by 4.0 star rating (5) refine search by 3.0 star rating (1) refine search by 2.0 star rating (7) refine search by 1.0 star rating BRAND. Coolant boils out of reservoir. Removing the coolant reservoir cap on a warm engine could cause the cap to fly off at a high rate of speed and fluid to spray out of the reservoir. Even after replacing my reservoir and cap I was still getting random coolant odors and some slow coolant loss. There is a black hose which flows with coolant from the radiator to the reservoir. Dorman Products - 54017 : Coolant Reservoir Cap. 2001 Toyota 4runner. Automotive $17.19 $ 17. Now it is working fine. On my engine coolant reservoir I see no possible way for the coolant to return back to the radiator. 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. 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. Re: low coolant warning, surge tank full to top. Replaced the thermostat gives me a p00b7 code. The coolant reservoir is separated into two parts. There should be a small hose coming off the radiator, at the radiator cap, that goes to your reservoir. Other options New from $12.63. I can't put any more coolant in the top surge tank. When I stopped and checked, the coolant reservoir cap was gone and there was a bit of coolant spilled right below it. Jump to Latest Follow ... and the cap was missing with a lot of fluid gone. At the 2014 Lordstown meet I showed a few people something I was up to. The answer about pressurized coolant system/get a new cap asap! There is a max mark as well which is where it should be, or close to, at operating temperature. Missing coolant reservoir cap; If this is your first visit, be sure to check out the FAQ by clicking the link above. My cars missing the cap for the reservoir tank. Today, it started overheating again on the highway and when I opened the hood, the overflow cap was again missing and it looked like liquid had splattered/spilled over the engine. my coolant reservoir cap is gone! When the cap is off, the coolant boils at a lower temperature. I would because it keeps the fluid from sloshing out when you accelerate, hard corner, or stop hard. 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. --- Full the reservoir, put the cap on and see what happens. Thanks. The black hose meets the coolant reservoir via a white plastic tip which slides into the cap of the very top of the overflow reservoir. Nissan Sentra location of where the reservoir we're adding coolant. While the engine is off, your coolant reservoir should be about 30% full. Yesterday while in idle waiting for a light my coolant reservoir popped! A few months ago it did that again, so I opened up the hood to check. 19. If your coolant reservoir cap is missing or broken, you need to replace it right away. That's all - Answered by a verified Chevy Mechanic I duct taped an empty pack of gum to it as a temporary fix, then completely forgot about it. Clearly the temperature blew off the threaded plastic cap. Then a manager comes out and said Harley discontinued our coolant overflow type bottle/cap assy. So I was riding for about 15 min when I noticed a strong coolant smell. I installed a thicker o-ring in the surge tank cap that dramatically increased the seal between the cap … Dorman 54223 Coolant Reservoir Cap For Select Acura/Honda Models. I can't find a cap to buy anywhere. Overheating. FREE Shipping on orders over $25 shipped by Amazon. 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. Some cars have a pressurized coolant system, like my 1986 Porsche 944 . Rockauto sells the reservoir, but specifically says it doesn't come with a cap. 2. Another symptom of a potential problem with the coolant reservoir is coolant leaks. I can find a cap on eBay, but they all say they only work for '94 and earlier. Anonymous. 17 Answers. People have told me it doesn’t make a difference. Lost the cap on coolant reservoir tank! 732 Posts #5 • 2 mo ago. 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. Promptly wipe up any spilled fluid as it is highly toxic. 3. 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? Relevance. Always wear safety goggles when working on your Edge. 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. Sometimes during the summer it has overheating problems, and the engine will just shut off on me. My coolant recovery tank is missing its cap. Is this an emergency? I noticed I was low on oil and coolant. A later photo clearly shows a reservoir without a cap. 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. If it's not under pressure, then a make-shift cap should be sufficient. Let the engine cool, filled it with 50-50 coolant, and made the remaining 100 miles back home with the gauge never getting past 200. Take it down to the dealer and tell them to replace the coolant reservoir because the low coolant sensor is bad. I also saw that there was literally NO coolant in the reservoir. mark, or a little more if you want. Coolant goes into the reservoir tank as it expands. Coolant leaks. If the pressure cap is on the radiator, there is little to be concerned about if the coolant reservoir cap is broken or missing. 2013 cruze. Hi all, long time lurker but never posted until now, need your advice. Is a coolant reservoir tank cap important? The radiator is still holding up and no visible cracks. To my dismay, the cap on the plastic coolant reservoir (where you pour the antifreeze into) was missing. 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. I drive a 1994 Oldsmobile 88. The car drove fine for about 2 weeks. If the coolant reservoir cracks or breaks due to old age or overheating it will leak. Should I worry about it. Get it as soon as Thu, Dec 10. To release pressure, the radiator cap allows some coolant to escape out, stored in the reservoir. The radiator cap releases the extra pressure by sending some coolant into the overflow tank. 196000 And fine. My Car Coolant Overflow Tank Cap Pops Off. So now I have a new type of overflow bottle that I have to replace, PN# 26731-01A. We recently took our Kia Sorento into have the oil changed and all fluids checked and topped off. Small leaks may produce steam and drips, while larger leaks will produce streams and puddles, as well as an obvious coolant odor. 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. 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. I would avoid filling it up, since you don't know what kind of coolant … I checked under the bonnet the next day and there was no liquid in the radiator reservoir and the cap was missing. 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 replacing the coolant and burping the air, I filled the overflow tank to the full line, and proceeded to put the rest of the coolant through the radiator cap. Sep 15 2020, 11:10pm. I thought it had blown a hose because the coolant was leaking every where with little smoke and the cap was still on 3.3 out of 5 stars 23. i’ve left out the dip tube inside reservoir because i was in process of ordering a new set, so air must’ve went into my rad after i turned my car off as pressure decreases. 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. My coolant reservoir cap keeps coming off and coolant is steaming. ... 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 filled the coolant reservoir and ran the car for a good 15-20 min. 3 months ago. Dismay, the cap on eBay, but they all say they only work for '94 and.... From the radiator cap, that goes to your reservoir also saw that there was no in... 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