Radiator diagnosis, cleaning and replacement

Porsche Radiator Replacement in Dubai

A coolant smell at the front, a slow drop in the expansion tank or a temperature that climbs in traffic. We confirm whether the radiator is really the source, check the condenser and fans in front of and behind it, and quote only the parts your layout needs.

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Vehicle front cooling components with the bumper removed — Front end opened for inspection

Left intakeRadiator and condenser on corner layouts

Centre intakeMain or auxiliary radiator depending on the model

Right intakeRadiator and condenser on corner layouts

Overheating, steam or rapid coolant loss?

Stop safely, switch off and arrange suitable assistance. Follow the dashboard message and your vehicle manual. Keep clear of steam and leave the hot coolant cap closed. Do not restart merely to reproduce the leak. A steady gauge does not prove that continued driving is safe.

Estimated fitted prices

Porsche radiator repair and replacement costs

These indicative budgets include 5% VAT and the work described. They are not fixed tariffs or proof of stock. The exact part, access and fault determine your written quotation.

Work	Estimated AED	Included work
Leak diagnosis	200–650	Initial inspection and appropriate pressure testing. Extra dismantling and extended intermittent-fault investigation are agreed separately.
Accessible hose or connection repair	500–1,500	One compatible hose, connector or seal repair, routine fitting, required coolant replenishment and leak recheck. A cracked radiator neck is a different repair.
One radiator replacement	2,200–5,500	One compatible new radiator, routine removal and fitting, required seals, coolant refill, specified bleeding and leak and operating checks. Multiple radiators are separate.
Debris cleaning or unusual cooling layouts	Quote after inspection	Access and cleaning method identified first. Special-order parts, major dismantling, additional heat exchangers and electric thermal systems need their own quote.

Initial diagnosis is separate from repair estimates unless your quote includes it. Genuine Porsche parts, damaged mounts, fans, condensers, contaminated coolant and overheating damage can change the total. Shared removal work should be charged once when combined repairs are approved. These budgets match the equivalent scopes on our coolant leak repair page.

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Know your layout

Common radiator layouts and important exceptions

Porsche does not use one radiator layout across the range. Where the radiators sit decides how they fail, how debris collects and how much of the front of the car has to come apart to reach them.

Corner layout

Many water-cooled 911, Boxster and Cayman models

Many water-cooled rear-engine and mid-engine models use front corner radiators, with coolant pipes running along the car. A condenser may sit ahead of each radiator. Additional center radiators depend on the version and fitted equipment. This is not a universal layout. The 992 GT3 RS uses a large central radiator. The diagrams show common arrangements rather than exact parts locations for every model. We identify the installed units before ordering.

Bumper cover comes off for proper access
Condenser slides forward to reach the radiator
Leaves and grit trap between the two

Front pack layout

Combustion Cayenne, Panamera and Macan

These combustion models have a front cooling package, but the main radiator, condenser, charge-air cooling and auxiliary heat exchangers differ by engine and generation. Hybrid versions also have separate thermal-management requirements. Electric Macan and Taycan are not covered by this engine-radiator layout. Their battery and drive circuits need separate assessment. Classic air-cooled 911 engines do not use an engine-coolant radiator.

Several coolers share one opening
Stones hit the front cooler first
Access depends on what sits in front

What sits in the air path

A typical condenser, radiator and fan arrangement

In this common arrangement, air passes through a condenser and radiator, with a fan and shroud helping airflow at low speed. Other coolers and active air flaps may change the arrangement. A blockage or fan fault can impair cooling without a leaking radiator. The fitted air path is checked before parts are selected.

Intake and grilleFirst line against stones and leaves

CondenserAir conditioning refrigerant, not coolant

RadiatorCoolant heat exchanger, construction varies by part

Fan and shroudPulls air through when the car is slow

The debris pocket

Debris build up

How full is the pocket?

Leaves, insects and grit can collect between heat exchangers. The amount of debris, access and condition of the fins determine the cleaning needed. These categories explain possible findings, not a manufacturer grading standard.

ClearLight dust only. Noted on the report, no extra work.

LightLoose leaves and insects. Accessible cleaning can be included in the agreed work.

PackedCompacted layer across the fins. Bumper off and dry cleaning quoted.

BlockedHeavy debris or damaged fins. Inspect airflow and leakage before deciding on replacement.

Coolant or refrigerant

Is it the radiator or the condenser?

Both sit in the same opening and both can be damaged by the same stone. They carry different fluids and go to different repairs, so we separate them before quoting.

What you noticeRadiator, engine coolantCondenser, air conditioning

FluidPossible coolant traces or residue. Color and smell alone do not identify the fluid.Refrigerant gas escapes, sometimes an oily film

GaugeTemperature rises, tank level dropsEngine temperature usually normal

CabinHeater may weaken if coolant is lowAir conditioning blows warm or cycles

GroundDrips or a damp patch under the front cornerUsually nothing on the ground

Next stepIdentify the coolant source with the appropriate leak checksRefrigerant leak test on our air conditioning repair page

Signs

When the radiator becomes the suspect

These signs point towards the radiator, but each one also has other causes. Coolant loss in general is diagnosed on our coolant leak page, and a slow warm up or temperature swings often belong to the thermostat.

01

Wet or crusted front cornerDried coolant at a tank seam or hose neck behind the intake.
02

Level drops between top upsExpansion tank falls with no leak visible at the engine.
03

Hot in traffic, fine on the highwayAirflow is restricted or a fan is not doing its share.
04

Cracked or brittle end tankPlastic tanks age with heat cycles and can split at the seam.
05

Corroded or flattened finsDebris holds moisture and fins fold under stones.
06

Steam or smell after parkingCoolant hits hot parts or the cap releases pressure.

Tested before replaced

Five checks before a radiator is ordered

A radiator is an expensive part on corner layouts once the labour is added. These checks decide whether it is the radiator, a hose, the cap, a fan or simply blocked fins.

Check 1

Look with the trims off

Intake grilles and liners are opened as far as needed to see the radiator face, tank seams, hose necks and the debris pocket.

Check 2

Pressure test cold

Test at the pressure and conditions specified for the vehicle. Inspect for fresh leakage. A cold static test may not reproduce every heat-related or intermittent leak.

Check 3

Cap and tank

The expansion tank cap is checked, because a weak cap can push coolant out and look like a leaking radiator.

Check 4

Fans and airflow

Fans are run on command and at temperature, and the shroud and air path are checked for blockage and damage.

Check 5

Temperature data

Compare temperature readings, warm-up behavior, fan operation and the applicable test plan. Temperature data alone does not prove a radiator blockage or rule out a sensor, pump or thermostat fault.

Pressure held and watched

Repair or replace

Not every radiator job needs a new radiator

The finding decides the route. We show you the finding first, then quote the route that fixes it.

Hairline crack and dried coolant on the plastic end tank of a Porsche radiator — Cracked end tank

Fins packed with debris, no leak

Clean

Dry cleaning of the pocket with the bumper off, fins straightened where possible, airflow rechecked.

Leak at a serviceable hose connection

Reseal

Replace the failed seal, clip or hose when the radiator connection is sound, then retest. A cracked radiator neck may require radiator replacement.

Weak cap pushing coolant out

Cap

Cap replaced and the system retested before anything else is touched.

Crack in a plastic end tank

Replace

Tank cracks spread under pressure, so the radiator is replaced rather than patched.

Core leak or heavy corrosion

Replace

Replacement is usually the durable option for a corroded or damaged modern core. Any specialist repair depends on construction, condition, testing and written coverage.

Internal blockage, poor heat transfer

Replace

Confirm a restriction using the applicable checks, after considering coolant condition, flow control, pump and thermostat operation. Do not condemn the radiator from one temperature reading.

Your quote

Every line a radiator quote can contain

Each item below appears as its own line on a written quote, marked as included, only if needed, or separate. Nothing is added after approval without asking you first.

Radiator or radiatorsIdentify each affected unit and its position. A second radiator needs its own reason for replacement.

Main line

Seals, clips and mountsNew where the old ones are disturbed or perished.

Included

CoolantThe correct type for your car, quantity shown.

Included

Bleeding and pressure testAir removed, system pressure tested after fitting.

Included

Bumper and liner labourRemoval and refit of the front cover and trims.

Included

Debris cleaningAccessible cooling faces cleaned where included. Additional dismantling is agreed separately.

If needed

Fan checkFans run and tested. A failed fan is quoted on its own line.

If needed

CondenserOnly if damaged or leaking, with refrigerant work.

Separate

Coolant and bleeding

Refill matters as much as the part

Right coolant. Use the required coolant specification, concentration and water quality, with quantity shown on the invoice. Color alone does not establish compatibility.

No trapped air. Follow the exact circuit filling and bleeding procedure. Use vacuum filling where prescribed and any required diagnostic activation of pumps or valves. Vacuum filling alone does not establish that every circuit is vented.

Cold recheck. The level is checked again after the car has cooled. More detail is on our water pump page.

Fans

A good radiator still overheats with a weak fan

At low speed the fans do the work that road speed does on the highway. In Dubai traffic that makes them part of every radiator check.

Fan runs on command

Use supported diagnostic commands and electrical checks to assess fan operation and control. The available test depends on the vehicle.

Fan runs at temperature

The car is warmed up to see the fans switch in when the control unit asks for them.

Shroud and blades

Stones can jam a fan through the shroud. Cracked blades and damaged shrouds are noted.

Intake protection

Prevention in Dubai

Keeping the front corners clear

Sand, palm debris and grit from construction roads find their way into the intakes. We do not set a fixed cleaning interval, because it depends on how and where the car is driven. Have accessible cooling faces checked during service and agree cleaning when debris restricts airflow. Extra access work should be priced before dismantling.

Inspected at serviceAsk for accessible intake and cooling-face inspection as part of the agreed service.
Cleaned dryCompressed air and hand removal, because pressure washing can push debris deeper and bend fins.
Intake meshSuitable mesh may reduce larger debris entry. Assess airflow, cooling-flap clearance, attachment and cleaning access before fitting.
Stone damageFlattened fins and condenser hits are noted early, before they become leaks.

Example quotations

Three examples of radiator work

These examples explain scope and cost. They are not completed customer jobs, fixed offers or confirmation of parts availability. Each total includes 5% VAT. Initial diagnosis is separate at AED 200–650 unless your written quote includes it.

Example one

2006 Boxster 987 2.7

AED 3,200 including VAT

One compatible new front corner radiator following a confirmed leak. Includes routine bumper access, required seals, fitting, coolant refill, prescribed bleeding and final leak and operating checks.

The other radiator and the AC condenser remain serviceable in this example. A second unit, refrigerant work, fan repair and damaged mountings are excluded. Shared bumper removal is counted once.

Example two

2014 Cayenne 3.6

AED 4,800 including VAT

One compatible new main engine radiator, matched to the fitted cooling package. Includes routine access, seals, replacement labor, required coolant, the specified bleed and final checks.

This assumes adjacent coolers and connections can be reused. Thermostat, water pump, auxiliary heat exchangers, contamination removal and overheating damage are additional if required.

Example three

2017 Macan 2.0

AED 950 including VAT

An accessible coolant hose or connection repair after testing rules out the radiator core. Includes one compatible replacement hose or connector, required seal, routine fitting, coolant replenishment and recheck.

This example avoids replacing a sound radiator. It excludes a cracked radiator neck, buried pipework, extensive access and separate cooling faults. The actual failed component determines the final quote.

Parts, timing and cover

Know what you are approving

A clear quotation should identify the repair and the checks that support it before a part is ordered.

Choose the correct part

Compare a genuine Porsche radiator with a compatible new supplier part for the exact application. Ask for the brand, part number, position and quantity. The estimate assumes a compatible new part, not a used or refurbished assembly.

Availability must be checked before promising an appointment. A cheaper part is not equivalent if its fittings, cooling capacity or mounting arrangement differ.

Separate fitting from waiting

Ask for the expected parts arrival, workshop start and collection time separately. Inspection, access, fitting, filling, bleeding and cold rechecking all affect the schedule. A parts delay is not workshop labor.

There is no universal same-day promise. Agree any special-order deposit, cancellation conditions, recovery or storage charge before committing.

Get written warranty terms

The quote should state the supplier’s parts coverage, separate workmanship coverage, duration or mileage limits and the claim contact. Coverage can differ between genuine and compatible parts.

Ask how impact damage, contamination and unrelated faults are treated. This page does not promise a universal warranty period. Keep the invoice, part details and test record together.

Start your enquiry

Tell us your model and symptom

Your model and the cooling problem are enough to start
When the warning or temperature change appeared, if known
Any coolant loss or recent cooling-system repair
An optional photo taken safely, without opening a hot cap or reaching behind the bumper
We may request the year or VIN later to identify parts

Technical guidance

References and your radiator repair record

Content reviewed 28 October 2026. Use model-specific instructions rather than a universal radiator count or bleeding method.

Layout exceptions

Porsche’s 992 GT3 RS description explains its central radiator. Electric Macan thermal management explains why battery and drive cooling must be distinguished from combustion-engine work.

Filling and bleeding

Porsche’s 2018 Panamera 4 E-Hybrid bulletin gives a specific example of tester-controlled ventilation. It applies to the stated vehicle and condition, not every Porsche. Current vehicle procedures take precedence.

Keep the repair details

Request the diagnosed source, test findings, affected radiator position, part brand and number, approved total, filling procedure, final checks and warranty terms. Photographs can help explain the finding when available.

Technical references do not certify this workshop. Page images explain components and are not presented as records of the example jobs above.

Related cooling pages

DiagnosisCoolant leak repair TemperatureThermostat replacement CirculationWater pump replacement CondenserAir conditioning repair MaintenancePorsche service All pagesPorsche services

Questions

Porsche radiator questions

How many radiators does my Porsche have?

The number and position depend on the exact model, engine and equipment. Many water-cooled sports cars have front corner units, but the 992 GT3 RS has a central-radiator design. Combustion SUVs and Panamera use different front packages. Electric and hybrid circuits need separate identification.

Do you replace both corner radiators together?

Not by default. We replace the radiator that is failing. If the other side shows the same age related cracks or corrosion, we show you and quote it as a separate line so you can decide.

Why does the bumper have to come off?

On corner layouts the radiators sit behind the bumper cover with the condenser in front of them. Removing the cover is the reliable way to reach the radiator, its seals and the debris pocket without damaging trims.

Is my air conditioning affected by a radiator job?

The condenser often has to be moved forward to reach the radiator. If it is moved without opening the refrigerant lines, the air conditioning is not affected. If the condenser itself is damaged, it goes to our air conditioning repair page and is quoted separately.

Can a leaking radiator be repaired instead of replaced?

A failed seal, hose or clip may be repaired when the radiator connection is intact. A cracked radiator neck, tank or damaged core usually needs replacement. Construction, condition and the applicable repair method determine whether a specialist repair is suitable.

How do I know it is not the thermostat?

Live temperature data, a warm up check and the hose temperatures separate a thermostat fault from a radiator or airflow problem. If the thermostat is the cause, we say so and point you to our thermostat page.

What does radiator replacement cost?

Allow approximately AED 2,200–5,500 including 5% VAT for one compatible new radiator with routine fitting, required seals, coolant refill, prescribed bleeding and final checks. This is an indicative budget, not a fixed tariff for every Porsche. Multiple units, special parts and difficult access can exceed it. Initial diagnosis is separate unless included in the quote.

Is the leak diagnosis charged separately?

Diagnosis is agreed before it starts. The published planning figure for focused leak diagnosis is AED 200 to 650 including VAT, the same figure shown on our coolant leak page.

Can I keep driving with a radiator leak?

Follow the dashboard message and vehicle manual. Overheating, steam or rapid coolant loss requires a safe stop, switching off and appropriate assistance. Keep the hot coolant cap closed. A small puddle or steady gauge does not establish that a leaking car is safe to drive.

Should I pressure wash the front intakes?

Avoid directing a strong jet into cooling fins or electrical components. Cleaning should follow the vehicle instructions and actual access. Packed debris may require removal of the bumper or other trims by the workshop.

How long does a radiator replacement take?

It depends on the layout, how many radiators are involved and part availability. We confirm the time with the quote once the part is located.

Do you replace the coolant during the job?

The coolant lost during the job is replaced with the correct type. If the old coolant is contaminated or due, a full change is quoted as a separate line.

What about the Taycan?

Taycan and electric Macan have thermal-management circuits for battery and drive components, not a combustion-engine radiator. Hybrid vehicles also require circuit identification. These jobs are outside the routine engine-radiator estimate. Assessment availability and any specialist referral are confirmed before accepting work.

Do you fit intake mesh?

Suitability must be assessed for the exact bumper and cooling arrangement. Mesh can affect airflow, active cooling flaps and cleaning access. It is not a universal upgrade or a guarantee against stone damage.

Porsche radiator check in Dubai

Find the source before you buy a radiator

Tell us your model and what the temperature gauge is doing. We check the radiator, condenser and fans together, show you what we find and quote only what fixes it.

Pressure tested first
Layout confirmed
Every line on the quote

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An enquiry is not a booking. The appointment is confirmed with you directly. Porsche Repair Dubai is an independent workshop and is not part of the Porsche Centre dealer network.