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Hi-Gear HG9048s Insta-Seal Permanent Block Sealer - 8 fl. oz.

Q: After you use it you have to change the motor oil my oil look like milk ?

A water cooling system leak into the interior of the engine mixing with the oil lubricating system produces a yellowish off white foam. Either a cracked block or head or a leaking head gasket are the usual suspect for this. I even have had a badly leaking cooling tube under the intake manifold on a 4.6 Liter Ford that no coolant leak additive could fix--a removal of intake manifold and replacement of tube was the only fix. It is very common for Aluminum head/block warpage due to even a one time overheating to cause head gasket leakage that only engine teardown and having the warp leveled can fix. For reasonably small leaks, I have used radiator sealer to stop them.

Q: Do you have to flush the radiator first?

Yes, I would flush it first, then add the installation seal.

Q: Does it says for how many cylinders it will work per .oz used

Didn't work on 6 cylinder for me.

Q: Will this work on a cracked block and water cooled manifold in a closed Mercruiser 5.7 liter V8 boat engine? Thanks.

It depends on how big the crack is. If very big probely not. My experience with with water manifold not likely.

3.8/5

Product ID: 399115443

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Details

Material
Silicone
Brand
HI-GEAR
Style
Compact
Item Weight
0.6 Pounds
Item dimensions L x W x H
5.7 x 5.7 x

Frequently Bought Together

Hi-Gear HG9048s Insta-Seal Permanent Block Sealer - 8 fl. oz.

K-Seal ST5501 Multi-Purpose One Step Permanent Coolant Leak Repair, 8oz, Pour and Go, Mixes with All Antifreeze, No Flushing Required

K-Seal ST3501 Pour and Go Head Gasket Sealer, 16oz, Permanent Repair for Blown Head Gaskets, Cracked Heads and Blocks

Description

Hi-Gear HG9048s Insta-Seal Permanent Block Sealer - 8 fl. oz.

Specifications

Material	Silicone
Brand	HI-GEAR
Style	Compact
Item Weight	272 g
Item dimensions L x W x H	5.7 x 5.7 x 18.1 Centimeters
Compatible Material	Wood, Concrete, Metal, Glass, Plastic, Composite Materials, etc.
Item Form	Liquid
UPC	009603190484
Net Quantity	236.59 millilitre
Global Trade Identification Number	00009603190484
Surface Recommendation	Window, Wall, Siding, Door
Manufacturer	Hi-Gear
Country of Origin	USA
Item model number	HG9048s
Product Dimensions	5.72 x 5.72 x 18.1 cm; 272.16 g
ASIN	B005VXFBIC

Have a Question? See What Others Asked

After you use it you have to change the motor oil my oil look like milk ?

Do you have to flush the radiator first?

Does it says for how many cylinders it will work per .oz used

Will this work on a cracked block and water cooled manifold in a closed Mercruiser 5.7 liter V8 boat engine? Thanks.

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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15.51 OMR

Duties & taxes incl.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

View all Trustpilot reviews

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