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 Posted: Thu Mar 31, 2016 2:39 pm |
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Joined: May 03, 2010
Posts: 44
Trade Rating: 0
Location: Leicester
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I fitted a new thermostat housing last week and overtightened one of the three bolts. I have a hairline crack next to the bolt hole and water is escaping
out of the housing. Any ideas how i can seal this crack or any other ideas.
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Posted: Thu Mar 31, 2016 2:57 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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Replace the cracked housing & torque the bolts up correctly.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Fri Apr 01, 2016 12:05 am |
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Joined: Aug 11, 2015
Posts: 175
Trade Rating: 0
Location: Tewkesbury
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Definitely replace. Might also help if you post details of the car you're working on.
Year, Engine, Mileage, Recent work done, pre or MUX, etc.
I say this as some of them have plastic coolant housings and others have alloy
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| My cars:
206 Urban 1.4 8v 3dr '56 - China Blue - 70k Miles - Climate control retrofit, cruise control retrofit - Dead (Breaking)
206 GLX 1.4 8v 3dr '03 - 100k Miles - Obsidian Black - Black masked headlights + front fogs, Faster sunroof, Colour matched exterior trim - SOLD
206 2.0 GTI 138 '03 - 58k Miles - Onyx Black - 17" 180 Alloys - Current
206 2.0 GTi 138 '03 - 120k Miles - China Blue - New Track Toy (ON THE WAY) | |
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Posted: Fri Apr 01, 2016 2:12 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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If its alloy like the GTI then it can be welded but it then distorts with the heat. It then needs machining to straighten the mating surface. Better just to replace it.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Fri Apr 01, 2016 3:54 am |
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Joined: Aug 11, 2015
Posts: 175
Trade Rating: 0
Location: Tewkesbury
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It is possible to plastic weld the other type but I wouldn't consider it a long trem fix. Plastic welding is nice and simple though and a cost-effective bodge.
I totally agree that replacing is the best way to go either way.
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| My cars:
206 Urban 1.4 8v 3dr '56 - China Blue - 70k Miles - Climate control retrofit, cruise control retrofit - Dead (Breaking)
206 GLX 1.4 8v 3dr '03 - 100k Miles - Obsidian Black - Black masked headlights + front fogs, Faster sunroof, Colour matched exterior trim - SOLD
206 2.0 GTI 138 '03 - 58k Miles - Onyx Black - 17" 180 Alloys - Current
206 2.0 GTi 138 '03 - 120k Miles - China Blue - New Track Toy (ON THE WAY) | |
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