Mframa ahwehwɛ a Ɛyɛ Fogging anaa Icing Ntɛm ara wɔ INSIDE wɔ Highway Speed: Defrost Physics ne Leaking Heater Cores¶

Sɛ wode kar kɔ osutɔ a ɛyɛ nwini, bepɔw so kwan, anaa awɔw bere mu anɔpa a ɛnyɛ zero mu na wohwɛ sɛnea wo mframa ahwehwɛ ahwehwɛ a ɛwɔ mu no dan fitaa koraa a ɛnyɛ hann koraa wɔ nea ennu sikɔne 5 mu wɔ 110 km/h (70 mph) mu a, ɛyɛ anifuraefo te sɛ nea wobɛma wo hood tu abue. Wɔ awosu mu no, karkafo a wɔn ho adwiriw wɔn de wɔn nsa a ɛda hɔ kwa, atade nsateaa, anaa ntini a wɔde hyɛ wɔn anim de popa ahwehwɛ no mu - nkutoo na wɔde honam ani ngo anaasɛ srade sini a ɛwɔ mframa ahwehwɛ no so petepete mframa ahwehwɛ no so, na wɔdan akanea a ɛreba no ma ɛbɛyɛ ɔfasu a ɛyɛ anifurae a ɛyɛ anifurae - anaasɛ wodi mfomso a edi awu a ɛfa wim tebea ho nhyehyɛe ho a ɛne sɛ wɔbɛdan ** no .A/C (Mframa a Wɔde Yɛ Adwuma) button OFF** na womia ** .Recirculate ON** efisɛ cabin no te nka sɛ awɔw wom.

Mframa ahwehwɛ mu anifurae mpofirim esiane nneɛma abien no mu biako nti: (1) Dew-Point Moisture Flash-Condensation (anaasɛ sub-zero interior frost icing), baabi a mframa a ɛyɛ nwini a efi dan no mu fi ntade a ɛyɛ nsu, sukyerɛmma a ayɛ nwini wɔ fam mpa so, anaa akwantufo baanan a wɔrehome bɔ mframa ahwehwɛ a ɛyɛ nwini (or the car's A/C compressor automatically shuts itself off when outside air drops below 2 degrees Celsius / 36 degrees Fahrenheit, dumping 100 percent of evaporator moisture onto the glass at once); anaa (2) Ruptured Dashboard Heater Core, a ɛpetepete ethylene glycol antifreeze steam a ɛrefɔw, ɛyɛ huam, a srade wom** fi nsukyenee a ɛma nsuo fi mu no mu tẽẽ kɔ ahwehwɛ no mu. Sɛ woantumi anhu w’anim wɔ kar a ɛkɔ ntɛmntɛm mu anaasɛ wohome nnuru a ɛyɛ hyew a ɛyɛ hyew a, dan wo asiane a ɛma wo ho yɛ hyew no, hwɛ mfɛnsere a ɛwɔ nkyɛn no mu na fa wo kar no kwan kɔ mmati so, na sɛ ɛho hia a, frɛ wo mpɔtam hɔ nɔma a egye ntɛmpɛ (911 wɔ United States ne Canada, 112 wɔ Europa Aman Nkabom no nyinaa mu, 999 wɔ United Kingdom; hwɛ nɔma ahorow a egye ntɛmpɛ) na wɔasan ahwɛ mu Mframa ahwehwɛ popa linkage a abubu wɔ osu kɛse anaa ahum kɛse mu, . Kar a ɛyɛ hyew dodo, nsu a ɛyɛ hyew wɔ hood ase, ne ti gasket ahobammɔ, na Kar apon, apon, ne mfɛnsere a awɔw wom.

Yɛ eyi mprempren¶

1. Hwɛ "maple syrup" hua a ɛyɛ dɛ anaasɛ srade smear di kan (Heater Core Leak Test): Ansa na wobɛbɔ defroster no akɔ soro no, fa mframa a efi dashboard vents no mu ba no ntɛm.
2. Sɛ sum no hua yɛ dɛ te sɛ maple syrup anaa radiator nsu a ɛyɛ hyew, ɛforo sɛ nsuonwini a wotumi hu fi dash vents no mu, na sɛ woka a, ɛte sɛ srade/srade a, DUM HEATER NE BLOWER FAN NO KARAA (0) Ntɛm ara na paapae afã anan mfɛnsere no nyinaa mu bue sɛntimita 5 (nsateakwaa 2). Wo dashboard heater core no apaapae, na ɛde ethylene glycol antifreeze vapor a ɛyɛ hyew na awuduru wom petepete mframa ahwehwɛ no so. Sɛ wobɔ defroster no a, ɛbɛma ahwehwɛ no ayɛ kɛse na ama wo engine no ayɛ hyew dodo.
3. Sɛ wopɛ nsu-vapor fog a ɛyɛ daa a, hyehyɛ 4-Switch "Max Dehumidify" nkabom no ntɛm ara:
4. Switch 1 - Dane wo ho A/C (Mframa a Wɔde Yɛ Adwuma) . ON (Wɔ awɔw bere a awɔw wom mpo mu): A/C evaporator coil a ɛwɔ dashboard no mu no yɛ adwuma sɛ dehumidifier a ahoɔden wom, ɛma mframa a ɛba no yɛ nwini ma ɛyɛ nwini na ɛma nsu fi kar no ase ansa na heater core no ama mframa a ɛyɛ dry no ayɛ hyew.
5. Switch 2 - Dane Temperature Ɔkwan Nyinaa so kɔ MAX HOT (Wɔ ɔtopae a ɛyɛ nwini a ɛyɛ sikɔne 10 akyi sɛ ɛyɛ awɔw bere mu nsu a ɛyɛ nwini a): Mframa a ɛyɛ hyew kura nsu a ɛboro mframa a ɛyɛ nwini so mpɛn 5 kosi 10 sen mframa a ɛyɛ nwini (te sɛ ɔpon a ayow) na ɛma ahwehwɛ a ɛwɔ mu no yɛ hyew sen bosu no.
6. Switch 3 - Dane wo ho Recirculate OFF (Sesa kɔ Fresh Outside Air Intake): Recirculate ON a wode bɛkɔ so no kyere onipa home (each person exhales 40 to 50 grams of water vapor per hour) ne fam-mat a ɛyɛ nsu a ɛyɛ nwini wɔ loop a wɔatoto mu mu. Awɔw bere mu mframa a ɛwɔ abɔnten no nkura nsu koraa kakraa bi pɛ bere a wɔayɛ no hyew pɛn no.
7. Switch 4 - Crack Both Rear (or Front) Side Windows Down 2 to 3 Centimeters (1 Inch): Sɛ wobue mfɛnsere abien kakra a, ɛma Venturi mframa a ɛyɛ nwini a ɛtwetwe mframa a ɛyɛ nwini fi mu wɔ sekan 15 kosi 20 - ɛho hia wɔ wim tebea a ɛnyɛ zero a ɛwɔ ase hɔ mu -1 degree Celsius (30 degrees Fahrenheit) bere a wo kar no kɔmputa no ankasa ma A/C compressor no yɛ adwuma na ama evaporator no antumi ayɛ nwini a ɛyɛ den no.
8. Mfa wo nsateaa anaa wo nsateaa a ɛda hɔ kwa mpopa mframa ahwehwɛ no mu da: Onipa honam ani ngo gyaw nsu a ɛnyɛ den a ɛpete kanea a ɛwɔ anim anadwo. Fa microfiber waffle-weave ntama a ɛho tew na ɛyɛ nwunu, chalkboard eraser, anaa squeegee sie ɔpon no kotoku mu; sɛ wɔkyere no a hwee nni hɔ wɔ heater-core glycol ntɛmpɛ mu a, fa krataa ntama a ɛyɛ dry anaa cotton atade a wɔde nsa a wɔde tew nsa anaa awɔw bere mu mframa ahwehwɛ hohoro nsu popa.
9. Sɛ wɔde ICE FITAA a ɛyɛ den akata mframa ahwehwɛ no mu wɔ wim tebea a ɛnyɛ zero mu: Fa plastic bank card anaa akatua kaad a wɔde kura digrii 45 hwire mu ahwehwɛ no kɔ fam bere a worekyere awɔw a ɛrehwe ase no wɔ mpopaho so wɔ thedashboard so no, afei yi rɔba fam ntama a sukyerɛmma akata so a ɛyɛ nsu na bɔ mu ma ɛho tew wɔ kar no akyi.

Gyinaesi dua: Ntɛm ara mu mframa ahwehwɛ fogging vs heater core leak vs sub-zero mu nsukyenee¶

flowchart TD
    FogStart["Mframa ahwehwɛ a ɛwɔ Mfinimfini Ahwehwɛ a Ɛyɛ Nsuo anaa Awɔw Ba Mpofirim Bere a Woreka Kar no"] --> SmellCheck{"1. So Cabin no Hua Dwo (Maple Syrup / Antifreeze) a Greasy Rainbow Film wɔ Glass so?"}
    SmellCheck -->|"YIW: Hua a Ɛyɛ Dwo, Nsuonwini a Efi Mframa a Ɛma Mframa Mu, anaa Ngo a Wɔde Petepete So"| HeaterCore["RUPTURED HEATER CORE EMERGENCY (Ethylene Glycol a Ɛyɛ hyew a Wɔde Petepete Ahwehwɛ So) ."]
    SmellCheck -->|"DABI: Nsu a Ɛyɛ Hua anaa White Frost"| TempCheck{"2. So Mfinimfini Glass Nsuo a Ɛyɛ Nsuo Nsuo ANAA Nsukyenee Fitaa a Ɛyɛ Nwini a Ɛyɛ Nwini (<0C / 32F)?"}
    HeaterCore --> CoreActions["1. DUM HVAC Fan (anaa Temp kɔ FULL COLD)<br/>2. Roll Down Side Windows 5 cm to Purge Awuduru Glycol Mist & Yi Mframa a Ɛyɛ Nwini<br/>3. Twe Kɔ So Dwoodwoo -> Fa Nsa Hohoro / Nsuo a Wɔde Hohoro Nsuo Popa Glass wɔ Ntama so<br/>4. Hwɛ Engine Coolant Reservoir & Temp Gauge (Bypass Ɔhyewfo Core Hoses anaa Tow) ."]
    TempCheck -->|"Nsuo a Ɛyɛ Nsuo a Ɛyɛ Nsuo a Ɛwɔ Glass Mu"| WaterFog["Set 4-Switch Defrost Abɔde mu Nneɛma Ho Adesua Combo:<br/>1. Blower Fan = HIGH kosi Mframa ahwehwɛ<br/>2. A/C Button = ON (Ɛma Mframa no yɛ nwini)<br/>3. Temp = MAX HOT (Ɛma Glass yɛ hyew wɔ Dew Point so)<br/>4. Recirculate = OFF (Abɔnten Mframa a Ɛyɛ Foforo) + Kwan 2 Mfɛnsere 2 cm"]
    TempCheck -->|"Frozen Solid White Frost / Nsukyenee wɔ Glass MU"| InsideIce["Sub-Zero Mfinimfini Awɔw Protocol:<br/>1. Twe Ansa na Wobɛka -> Fa Plastic Credit Card Scrape Glass Mu wɔ Dash Towel so<br/>2. Hyɛ no nsow: Wɔ 0C (32F) ase no, Kar Kɔmputa no Ma A/C Compressor no Ntumi nyɛ adwuma ankasa<br/>3. Fa Fan HIGH + MAX HOT + Mframa Pa + Crack Window 2 cm to Vent Mframa a Ɛyɛ Nsu<br/>4. Wosow Sukyerɛmma Fi Boots & Empty Wet Fam Mats"]
    WaterFog --> RecurringCheck{"So Mframa ahwehwɛ Kɔ so Yɛ Fogging Up Bere Biara a Osu bɛtɔ Anaasɛ Bere a A/C Cycles Off?"}
    RecurringCheck -->|"Yiw: Musty Smell & Kapet a Ɛyɛ Nwini"| DrainClog["Hwɛ Nsuo Mfiri 4 a Ahintaw: A/C Evaporator Drain Tube a Asiw, Cabin Air Filter a Ayɛ Nsuo, Sunroof/Cowl Drains a Asiw, anaa Recirculation Flap a Ɛkyekyere"]
    RecurringCheck -->|"Dabi: Wɔapopa no wɔ Sekan 20 mu"| NormalDrive["Tew Fan so kɔ Medium Bere a Glass ayɛ hyew, Gyae Mframa Pa ON na Recirculate OFF"]

The psychrometric physics of defrosting: Nea enti a ɛsɛ sɛ wode di dwuma A/C ON + Full Heat + Fresh Air bom¶

Nnipa pii susuw sɛ wɔbɛmia ** no .A/C (Air Conditioning)** button kyerɛ sɛ "ma mframa no nyɛ nwini," enti wɔpow sɛ wɔbɛdan A/C awɔw bere mu - anaase wosusuw se wobemia ** .Recirculate (car-with-U-turn-arrow)** button no bɛma kar no mu ayɛ hyew ntɛmntɛm. Nokwarem no, wo kar no dashboard wim tebea adaka no hyehyɛ cold A/C evaporator core FIRST ne hot engine heater core SECOND no nnidiso nnidiso wɔ airflow tunnel no so. Nea switch biara yɛ ankasa de tew wo mframa ahwehwɛ mu wɔ bere a ɛyɛ ntɛm sen biara mu ni:

Dɛn nti na me mframa ahwehwɛ no yɛɛ sum wɔ sikɔne 2 mu bere a na mereka kar dedaw no? (3 Flash-Fogging Nsɛm a Wɔka Kyerɛ)¶

Ɛtɔ da bi a wo mframa ahwehwɛ no mu da hɔ koraa wɔ simma 20 a edi kan wɔ wo kar no mu, na afei - wɔ sikɔne 2 kosi 3 mu no - ahwehwɛ no mu nyinaa hyerɛn fitaa a nsu a ɛyɛ hyew a ɛyɛ den wom:

1. **Nsɛm a ɛto so 1 - The 2-Degree-Celsius (36F) A/C Compressor a Wɔatwa no Ahorow **:
2. Wofi ase ka kar anwummere a awɔw wom na ɛhɔ yɛ nwini wɔ... 5 degrees Celsius (41 degrees Fahrenheit) ne defroster no ne A/C retu mmirika. Simma 20 no, A/C evaporator coil a ɛyɛ nwini no boaboa nsu a ayɛ nwini lita fã ano wɔ ne aluminium ntaban no so.
3. Bere a woforo koko anaasɛ anadwo atɔ no, abɔnten so ɔhyew sensor no so tew fi 4C ɛba fam kosi ** .2 degrees Celsius (35.6 degrees Fahrenheit)** na ɛyɛ. Sɛnea ɛbɛyɛ a evaporator fins a ɛyɛ nsu no rentumi nkɔ nwini mu nkɔ nsukyenee a ɛyɛ den na ɛpaapae core no mu no, kar no kɔmputa no twa ahoɔden a ɛkɔ A/C compressor no mu ntɛm ara.
4. Wɔ sikɔne 10 mu no, nsuo a ɛyɛ nsuo a ɛyɛ nsuo a ɛyɛ nwini no yɛ hyew kɔ ɔhyew afiri no mframa mu, ɛma saa nsuo a wɔde asie no nyinaa yɛ nwini prɛko pɛ na ɛpae mununkum a ɛyɛ nsuo a ɛyɛ nwini 100% tẽẽ kɔ mframa ahwehwɛ a ɛyɛ nwini no so.
5. Ntɛm ara Fix: Paapae anim mfɛnsere abien no nyinaa mu centimeters 3 (1.2 inches) ntɛm ara, hwɛ sɛ ɛyɛ nokware Recirculate ne OFF, na dan ɔhyew ne fan kɔ MAX simma 60 kosi sɛ evaporator no ntaban no bɛyow.
6. Nsɛm 2 - Ɔkwan Kɛseɛ a Ɛyɛ Ɔhyeɛ na Ɛyɛ Nwini a Wobɛhyɛn mu wɔ Awɔw Bere Mu (Cold Glass + Humid Tunnel Air):
7. Bere a wɔaka kar wɔ -10 degrees Celsius (14 degrees Fahrenheit) dɔnhwerew biako no, wɔma wo mframa ahwehwɛ ahwehwɛ no yɛ nwini ma -8 degrees Celsius. Sɛ wohyɛn asase ase anaa bepɔw so ɔkwan tenten bi a kar mu mframa a ɛyɛ hyew na ɛyɛ nwini ahyɛ mu ma mu a (+15 degrees Celsius), ahwehwɛ a ɛyɛ nwini no abɔnten ne mu nyinaa hwe ase wɔ ɔkwan no bosu ase bere koro mu.
8. Ntɛm ara Fix: Tu mmirika wo windshield wipers (na yi abɔnten condensation) bere a worebɔ Max Hot Defrost wɔ mu.
9. Nsɛm a Ɛto so 3 - Motorized Recirculation Flap a Abubu anaasɛ Wɔato mu wɔ Glovebox no Akyi:
10. Wɔ Volkswagen, Audi, Ford, GM, Dodge/Jeep, ne Honda/Toyota mfonini pii so no, plastic gear ketewa a ɛwɔ fresh-air / recirculation intake flap actuator motor a ɛwɔ glovebox no akyi no yi ne sẽ, na ɛma flap no kɔ so bata nea wɔato mu no mu daa Recirculate gyinabea bere mpo a dashboard button no ka sɛ Fresh Air. Sɛ wo mfɛnsere mu yɛ kusuu kɛse wɔ awɔw bere mu kar biara mu a bɔtn nhyehyɛe mfa ho a, fa glovebox no to fam na fa w’ani hwɛ sɛ intake dome flap no bebue bere a wodannan no Recirculate bɔtom.

Diagnostic table: Nsuo mu sum a ɛyɛ daa vs. Leaking heater core (Ethylene Glycol) vs. Mfinimfini awɔw¶

Fa ntotoho pon yi hu nea ɛrekata wo mframa ahwehwɛ no mu wɔ sikɔne 10 mu:

Ɔkwan ho ntɛmpɛ nhyehyɛe sɛ wo dashboard heater core pae bere a woreka kar a¶

Sɛ wo mframa ahwehwɛ no de srade a ɛyɛ huam a ɛko tia awɔw bere a woreka kar no kata so a:

Anamɔn 1: Gyae Glycol Steam no na Popa Mfɛnsere a Ahobammɔ Wom a Wobɛhwɛ no Na Twe Kɔ So¶

1. Dane wim tebea-control blower fan no OFF na fa ɔhyew si hɔ ma MAX COLD (LO): Sɛ wode ɔhyew si awɔw mu koraa a, ɛto heater blend pon no (na wɔ kar pii so no, ɛto nsu a ɛyɛ hyew a ɛma ɔhyew no control valve no mu), na ɛma mframa ntumi nkɔ heater no mu a ɛretu no.
2. Bobɔ mfɛnsere anan a ɛwɔ nkyɛnkyɛn no nyinaa kɔ fam sentimita 5 kosi 8 (nsateakwaa 2 kosi 3): Mframa foforo a ɛtwetwe ethylene glycol nsuyiri a awuduru wom no fi w’ahurututu mu na ɛmma nsu a ɛyɛ hyew no ntumi nkɔ glycol film no atifi.
3. Twe dwoodwoo wɔ mmati so anaasɛ kɔ baabi a wɔde kar sisi.
4. Sɛnea wobɛhohoro ethylene glycol a srade wom ho afi mframa ahwehwɛ no mu wɔ kwan ho: Ntama a ɛyɛ dry nkutoo petepete antifreeze so fi ɔfã biako kɔ ɔfã foforo kɛkɛ. Fa nsa a wɔde hohoro nsa a wɔde nsa ayɛ, aduru a wɔde petepete nsa hohoro, ahwehwɛ a wɔde hohoro nneɛma ho, anaa mpo awɔw bere mu mframa ahwehwɛ hohoro nsu bruu a wɔde ahyɛ afiri a wɔde hohoro mframa a ɛwɔ hood ase no mu (a ne methanol/isopropanol twa glycol srade no mu pɛɛ) gu ntama a ɛho tew, anaa kotoku atade mu nsu, popa beae a ɛda adi pefee a wotumi hu wɔ no atifi ofirikafo afã ahwehwɛ no, na fa krataa mpopaho a ɛho tew buff dry.

Anamɔn 2: Hwɛ Wo Engine Coolant Level Ansa na Woaka Kar Kilomita Foforo (The Hose-Loop Bypass Trick) .¶

Esiane sɛ dashboard heater core no yɛ pressurized cooling circuit koro no ara a ɛma wo engine cylinder ti dwo no fã nti, heater core a apaapae betumi de coolant lita 3 akɔ wo passenger floorboard so na ama engine no ayɛ hyew dodo akɔ ti gasket a wɔabɔ mu hwɛ Kar a ɛyɛ hyew dodo, nsu a ɛyɛ hyew wɔ hood ase, ne ti gasket ahobammɔ. - Mbue radiator cap a ɛyɛ hyew a nhyɛso wom da. Hwɛ plastic coolant expansion tank no fã a ɛyɛ translucent no mu wɔ hood no ase. - Ɔkwan ho "Heater Core Bypass Loop" (Sɛnea Mfiridwumayɛfo anaa Ɔkwan ho Patrol Ma Wokɔ so Ka Kar Dwoodwoo): - Faako a abien no yɛ milimita 16 (5/8-inch) anaa milimita 19 ( .3/4-inch) rɔba heater hoses fa engine bay no akyi kɔ cabin firewall no mu, ɔkwan ho mfiridwumayɛfo (anaasɛ ofirikafo a wasiesie ne ho bere a engine no ayɛ nwini simma 30) betumi ayi rubber hoses abien no nyinaa afi firewall pipes no mu na ɔde $3 brass/plastic barbed hose coupler (5/8" to 5/8"), anaasɛ twa n’awiei biako wɔ engine no mu na fa hose biako a enni dɛm no fi engine no kwan a ɛkɔ mu no mu san kɔ nsu pɔmpɛ no mu tẽẽ. - Sɛ wobɔ heater hoses no wɔ hood no ase a, ɛma dashboard heater core a ɛretu no fi hɔ koraa ma enti coolant zero betumi akɔ cabin no mu na wɔatumi de engine no akɔ dwoodwoo adapɛn pii kosi sɛ wobesiesie dashboard no.

Dɛn nti na me mframa ahwehwɛ no mu kɔ so yɛ kusuu anaasɛ ɛyɛ nwini anɔpa biara? (Nsu 4 a Ahintaw a Ɛretu a Ɛsɛ sɛ Wosiesie Ɛnnɛ)¶

Esiane sɛ nsukyenee ne sum kabii a ɛwɔ kar a esi hɔ m mu no betumi aba sɛ nsu a ɛyɛ nsu akɔhyɛ baabi wɔ akwantufo dan no mu nkutoo a, hwɛ saa mfomsofo baanan a wɔahintaw yi sɛ wo kar no yɛ sum anaa nsukyenee bere tenten fi mu a:

1. Rɔba A/C Evaporator Drain Tube a Ɛsi Kar Ase:
2. Sɛ A/C no yi nsuo fi kar no mu a, nsuo kɔ dashboard HVAC adaka no ase na ɛfa rɔba tuntum ketewa bi a ɛtwetwe nsuo a ɛwɔ anim akwantufoɔ ntwahonan no akyi abura mu fi adi. Sɛ nhaban, atɛkyɛ, anaa akɔre nhama siw saa rɔba nufusu no ano a, nsu a ɛgyina hɔ lita 1 kosi 2 a ɛwɔ dashboard heater adaka no mu, fa foam seals no gu nsuo mu na dane defroster no ma ɛbɛyɛ steam humidifier bere biara a wobɛdan ɔhyew no. Sɛ wode zip-tie yi rɔba afiri a wɔde yi nsuo mu no fi ase a, ɛma nsuo a akyea no pue.
3. Nsuo a ɛyɛ nsuo a ɛyɛ nwini Cabin Air Filter Akyi Glovebox:
4. Krataa a wɔde abɔ mu a ɛyɛ fĩ a adi mfe 3 a wɔde ayɛ mframa a wɔde yi mframa a ɛwɔ glovebox no akyi no twetwe nsu na esiw mframa a ɛkɔ awɔw mu a ɛkɔ ɔha biara mu nkyem 60 ano. Yi nsateaa adaka a wɔde siw ano no nsa, twe afiri dedaw a wɔde yiyi afiri no mu, na fa si ananmu (a 3-minute job requiring zero tools on most cars).
5. Mframa ahwehwɛ Cowl anaa Sunroof Drain Channels a Asiw (Wet Carpet Padding Under the Floor Mats):
6. Mia wo nsa so denneennen wɔ kapet ase anim ne akyi rɔba fam ntama ne spare-tae trunk no mu yiye. Sɛ mpo kapet a ɛwɔ soro no te nka sɛ ayow a, foam sound deadening pad a ne kɛse yɛ sɛntimita 2 a ɛwɔ kapet no ase no betumi akura osu nsu lita 5 kosi 10 (galɔn 1.3 kosi 2.6) a efi owia dan atifi nsu a ɛkɔ nsu mu a asiw, mframa ahwehwɛ a wɔde popa mframa ahwehwɛ trough a asiw, anaasɛ mu pon no mu vapor barrier plastic krataa a atetew mu.
7. Sɛnea Wobɛgyae Sub-Zero Interior Icing Anadwo Yi ("60-Second Cold-Air Purge" Ansa na Woakɔ Kar Si):
8. Dɛn nti na wo mframa ahwehwɛ no mu yɛ nwini denneennen anadwo biako wɔ awɔw bere mu? Efisɛ wudu fie a wɔahyɛ ɔdan no mu hyew ma +22 degrees Celsius (72 degrees Fahrenheit) - mframa a ɛyɛ hyew a ɛkura sukyerɛmma a ɛyɛ nwini pii fi wo fam ntama a ɛyɛ nsuo mu. Sɛ woto apon no mu na wokɔ mu a, mframa ahwehwɛ no ahwehwɛ no kɔ fam kɛse -10 degrees Celsius, na saa nsu a ɛyɛ hyew a wɔakyere no nyinaa yɛ nwini na ɛyɛ nwini kɔ ahwehwɛ no mu.
9. The 60-Second Fix: Simma biako ansa na woadu fie (anaasɛ sikɔne 60 bere a wode kar asi hɔ akyi), dum heater no, bue apon abien anaa bobɔw mfɛnsere no sian sikɔne 60 na fa mframa a ɛyɛ hyew na ɛyɛ nwini a ɛwɔ dan no mu no fi adi na fa abɔnten mframa a ɛyɛ nwini na ɛyɛ nwunu si ananmu, na tow sukyerɛmma a ayɛ nwini biara gu wo rɔba fam ntama so.

Mpɔtam hɔ ntɛmpɛ nɔma ne adwumakuw no nhyehyɛe ahorow¶

Nsɛm a wɔtaa bisa¶

Mɛyɛ dɛn ahu sɛ sum a ɛretu mpofirim wɔ m’ahwehwɛ ahwehwɛ so no wɔ ahwehwɛ no MU anaasɛ ABƆ bere a osu a ɛyɛ nwini retɔ no?¶

Flik wo mframa ahwehwɛ popa no so na woaprapra mu pɛnkoro. Sɛ wiper blades no popa sum no ho tew na ɛsan pue wɔ sikɔne 2 akyi wɔ dashboard defrost vents no atifi tẽẽ a, condensation no reyɛ wɔ ahwehwɛ no ABƆNE efisɛ wɔde wo mframa a wɔde yɛ adwuma no ayɛ awɔw a ɛyɛ nwini na ɛrebɔ mframa a ɛyɛ nsukyenee akɔ mframa ahwehwɛ no ase, na ɛrema ahwehwɛ no ayɛ nwini wɔ abɔnten dew point a ɛyɛ hyew na ɛyɛ nwini no ase. Sɛ wopɛ sɛ wugyae abɔnten so sum wɔ awɔw bere anaa osutɔbere mu a, ma A/C no nkɔ so na ama nsu a ɛwɔ ɔdan no mu no ayɛ hyew, nanso ma ɔhyew dial no so kakra ma ɛnyɛ hyew/ɛnyɛ nea ɛnyɛ hwee (22 degrees Celsius / 72 degrees Fahrenheit) na sesa mframa a efi mframa ahwehwɛ mu defrost vents no mu kɔ anim/fam mframa mu.

Dɛn nti na me kar no A/C hann tra so hyerɛn wɔ wim tebea a ɛyɛ nwini mu (-5C / 23F), nanso mframa ahwehwɛ no da so ara yɛ sum gye sɛ mepaapae mfɛnsere bi mu?¶

Ɛkame ayɛ sɛ wɔ kar biara so no, sɛ wobɔ MAX DEFROST bɔtn no a, ɛma LED kɔkɔɔ anaa ahabammono a ɛwɔ A/C bɔtn no so no hyerɛn ɛmfa ho sɛnea abɔnten no yɛ nwini no. Nanso, evaporator temperature thermistor a ɛwɔ dashboard no mu no twa ahoɔden a ɛkɔ A/C compressor clutch ankasa no mu bere biara a ɛhɔ hyew no kɔ fam bɛyɛ digrii Celsius 0 kosi 3 (digrii Fahrenheit 32 kosi 37) ma enti evaporator coil a ɛyɛ nsu no ntumi nkɔ nsukyenee a ɛyɛ den mu. Sɛ compressor no yɛ adwuma esiane wim tebea a ɛnyɛ zero nti a, wo kar no nni zero mechanical dehumidification - ɛma ɛho hia sɛ wobɛdan Recirculate OFF na woapaapae afã mfɛnsere abien mu ma abue sɛntimita 2 (inch 1) simma biako na ama ahome a ɛyɛ nwini akɔ abɔnten.

So aduru a wɔde yiyi ti anaa ɛmo ho anifere no mma kar mframa ahwehwɛ mu ntumi nsɛe ankasa?¶

Nneɛma a ɛho tew na ɛyɛ tratraa a wɔde kata so - te sɛ kar a wɔde petepete kar mu a ɛko tia sum kabii anaasɛ mfitiase foam shaving cream ketewaa bi a wɔde buffed pefee koraa wɔ mframa ahwehwɛ a nkekae nnim so - yɛ adwuma bere tiaa bi denam nsu nketenkete a ɛreyɛ ayɛ nwini no ani so nhyɛso a ɛba fam so ma ɛtrɛw kɔ nsu a ɛyɛ tratraa na ɛyɛ mmerɛw mu sen sɛ ɛbɛpete hann sɛ nhwiren fitaa nketenkete ɔpepem pii. Nanso, sɛ saa surfactant layer no yɛ ma nsu a, ebetumi ayɛ streak kɛse wɔ anadwo kanea a ɛreba no ase, na ɛnyɛ nea wobetumi de asi ananmu sɛ wode isopropyl nsa bɛhohoro ahwehwɛ no ho na wode Fresh Air ON ayɛ A/C dehumidifier no.

So asiane biara nni ho sɛ mɛkɔ so aka kar dapɛn biako a heater core a ɛretu no retu sɛ mema heater no dum kɛkɛ a?¶

Dabi, ɛnyɛ nea asiane biara nni ho sɛ wubebu w’ani agu heater core a ɛretu a wuntumi ntwa so sɛ wudum dashboard fan ne temperature controls no mpo a. Wɔ nnɛyi kar dodow no ara mu no, engine no mu nsu a ɛyɛ hyew a wɔde nhyɛso ahyɛ mu ma no di akɔneaba fa dashboard heater core no mu ɔha biara mu nkyem 100 bere biara a engine no reyɛ adwuma (wɔde mframa afrafra pon na ɛhwɛ ɔhyew so, na ɛnyɛ nsu a wɔde to mu). Ɛno kyerɛ sɛ pinhole a ɛretu wɔ heater no mu no betumi apaapae mpofirim kɛse wɔ ɔkwan kɛse so ahoɔhare so, na ɛde nsuonwini a ɛrefɔw akɔ ɔkwantufo no nan so na ama engine no onwini nhyehyɛe no akɔ kosi sɛ cylinder no ti bɛyɛ hyew dodo na abɔ. Ma mfiridwumayɛfo bi mfa under-hood heater-hose loop bypass nsi hɔ ansa na wakɔ so aka kar no.

Dɛn nti na me mframa ahwehwɛ no mu nyaa sini fitaa a srade wom na ɛyɛ kusuu ɛwom mpo sɛ me kar no nhwere nsu a ɛma onwini biara?¶

Sɛ wo mframa ahwehwɛ no mu nya ahum fitaa a ɛyɛ den, mununkum fitaa wɔ adapɛn pii mu - titiriw bere a wode kar asi owia hann a ɛyɛ hyew mu akyi - a antifreeze hua a ɛyɛ dɛ anaasɛ coolant a ɛyera biara nni mu a, na worehu "vinyl fog" (plasticizer outgassing). Nnuru a ɛyɛ hyew a wɔde yɛ plasticizers a wɔde ma dashboard vinyl, aboa nhoma, ne ɔdan no mu plastic yɛ mmerɛw no yɛ nwini wɔ owia mu na ɛyɛ nwini wɔ ahwehwɛ a ɛyɛ nwini no so, na wɔde kwan so nsu ne vaping/sigaret nkae fra. Sɛ wɔde nsu nkutoo popa a, ɛde ngo yi petepete so; di kan fa microfiber mpopaho a wɔde 70% isopropyl rubbing alcohol afra mu (de mpopaho bɔ dash no ho ban) popa ahwehwɛ a ɛwɔ mu no, afei fa kar ahwehwɛ a ɛho tew a ammonia nnim ne mpopaho a ɛho tew a ɛyɛ dry waffle-weave wie.

Akwankyerɛ ahorow a ɛfa ho¶

• Mframa ahwehwɛ popa linkage a abubu wɔ osu kɛse anaa ahum kɛse mu
• Kar a ɛyɛ hyew dodo, nsu a ɛyɛ hyew wɔ hood ase, ne ti gasket ahobammɔ
• Coolant, antifreeze, ne radiator no yɛ nwini
• Kar apon, apon, ne mfɛnsere a awɔw wom

Fibea ne aban akwankyerɛ¶

• Amanaman Nkabom Sikasɛm Bagua a ɛhwɛ Europa (UNECE) & Europa Aman Nkabom Kuw: UNECE Mmara a Ɛto so 122 & Aban Asoɛe Mmara (EU) a Ɛto so 672/2010 - Type-Approval Requirements for Windscreen Defrosting and Demisting Systems of Motor Vehicles.
• Ɔman Ɔkwan Kɛseɛ so Kar Ahobanbɔ Dwumadibea (NHTSA, United States): Federal Motor Vehicle Safety Standard (FMVSS) No. 103 - Mframa ahwehwɛ a wɔde yi nsuo a ɛyɛ nwini ne nsuo a ɛfiri mframa mu ne Heater Core Failure Investigation Reports.
• Society of Automotive Engineers (SAE International): *SAE J902 & Psychrometric Analysis of Passenger Compartment Dehumidification, Evaporator Freeze-Ahobammɔ Cutouts, ne Fresh-Air Ventilation Rates *.
• Allgemeiner Deutscher Automobil-Club (ADAC, Germany) & Royal Automobile Club (RAC, United Kingdom): Beschlagene oder innen gefrorene Autoscheiben (Mframa ahwehwɛ a ɛyɛ sum anaa nsukyenee a ɛwɔ mu) & Defekter Warmetauscher (Heater Core Leak) Akwankyerɛ a Ɛho Hia Ntɛmntɛm.
• Centers for Disease Control and Prevention (CDC / ATSDR, United States): Awuduru Ho Nsɛm a Ɛfa Ethylene Glycol ho - Kar mu Nwini a Ɛyɛ Ɔhyew a Wɔhome ne Aerosol a Wɔhome wɔ Mmeae a Wɔato Mu.