Does it work with diesel engines?

I think it will work but may turn green rather than yellow. There are fluids designed for Diesel engines and I believe those are red in colour.

is this safe for the coolant system? i have it and i think some got sucked into the coolant tank

Yes, It's safe for the coolant system if you use the liquid in accordance with the instructions.

How can I use this if my radiator does not have a cap?

It should go into the opening for the cap on the overflow bottle which should be where you can top up the coolant level.

think if you put this on during warm up it will give a false negative. Doesnt do full green but very very light blue due temp chemical react ?

I used it on my Capri and had it in place from start up. I ran the car until the thermostat opened and the car was operations at full temp. Thankfully there was no colour change at all. Shouldn’t give a false negative and shouldn’t react with temperature. Only if the system contains exhaust gasses.

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Reld Cylinder Head Gasket Tester Kit CO2 Combustion Leak Gas Test Universal for All Cars and Motorcycles Petrol Diesel Block Rapid Engine Leak Detector for 50 Tests

Reld Cylinder Head Gasket Tester Kit CO2 Combustion Leak Gas Test Universal for All Cars and Motorcycles Petrol Diesel Block Rapid Engine Leak Detector for 50 Tests

Product ID: 136048058

Details

Alarm
Visual
Brand
RELD
Colour
Multicoloured
Global Trade Identification Number
Item weight
240 Grams
Manufacturer
RELD

🔧Universal adapter fits 25-55mm engines

⏱️99.9% efficiency rapid test

🛠️50 reliable CO2 leak tests included

215.53 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Diagnose like a pro, save like a boss!

BULK TESTING CAPACITY - Includes 50 tests, perfect for professionals and DIYers who demand reliability and value.
VISUAL ALARM INDICATOR - Instantly know if your cylinder head gasket is compromised with a clear visual alert.
UNIVERSAL COMPATIBILITY - Works seamlessly on cars, trucks, motorcycles, and heavy machinery with a wide adapter range.
PRECISION EU ENGINEERING - Crafted in the EU with 99.9% test accuracy for trusted results every time.
MECHANIC FREE DIAGNOSTICS - Save time and money by testing your gasket yourself without a garage visit.

The Reld Cylinder Head Gasket Tester Kit is a precision-engineered, EU-made diagnostic tool offering 99.9% accuracy in detecting CO2 combustion leaks. Featuring a universal adapter for 25-55mm engines, it supports a wide range of vehicles from motorcycles to heavy trucks. With 50 tests included and a clear visual alarm, it empowers professionals and enthusiasts to quickly identify gasket failures, avoiding costly mechanic visits and downtime.

Specifications

ASIN	B07RS3N98V
Alarm	Visual
Best Sellers Rank	1,287 in Automotive ( See Top 100 in Automotive ) 58 in Diagnostic, Testing & Measuring Tools
Brand	RELD
Colour	Multicoloured
Country of Origin	Poland
Customer Reviews	4.5 out of 5 stars 7,915 Reviews
Global Trade Identification Number	05907440789067
Item Dimensions D x W x H	17D x 9W x 5H centimetres
Item Weight	240 Grams
Item weight	240 Grams
Manufacturer	RELD
Model Number	7777252
Operating Humidity	90 percent
Part Number	7777252
Product Style	Classic
Product dimensions	17D x 9W x 5H centimetres
Style	Classic
Unit Count	1.0 count

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215.53 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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