Undercarriage Cleaning & Care (Removing winter salt)
#1
04-12-2013, 10:53 AM
Join Date: Nov 2008
Location: Ponte Vedra Beach, FL
Posts: 438
Rep Power: 40 
Undercarriage Cleaning & Care (Removing winter salt)
Your vehicle’s undercarriage; it’s what you don't see that silently awaits underneath your cars. Removing sprayed brine solution to protect your undercarriage is just as important as detailing the paint. Wheel wells, sub-frame, springs, fender well and all of the other black and gray parts underneath the body need detailing too.
Although dry salt is inert 15 – 20.0F (9 – 29.oC) is considered the lower limit for salt to melt snow and ice but once H2O, even in the form of moist air (i.e. humidity) is added the freezing point is lowered and the sprayed brine solution (pH 8.5) used on roads will have an adverse effect (the formation of rust and/or corrosion) on the vehicles paint and undercarriage. Magnesium Chloride (MgCl2) attracts moisture from the air making it more aggressive than salt because it is active even when “dry”. Magnesium Chloride is basically ‘liquid rust’. It clings to everything and it attracts moisture – and it does not wash off easily”.
After removing dirt, road grime, and etc with P21S® High Performance Total Auto Wash or Optimum™ Polymer Technologies - Power Clean- use a pressure washer
Never go underneath a car supported by the supplied jack - always use axle stands if you wish to work underneath the car. Always jack the car up at the manufacturer's recommended jacking points. Ensure the jack is in stable contact with both the jacking point (see owner's manual) and the ground. Always work on level ground.
High Pressure Under body Lance
Angled spray lance connected to a power washer, this set-up is specifically designed to clean those hard to reach areas under the wheel arches and the under carriage. Inlet Connection: ¼ - inch Female connection QC Plug - Max Flow: 3.5 to 6.0 GPM - http://pri-industries-inc.amazonwebs...B0065OYYQQ.htm
A spray lance connected to a power washer, this set-up is specifically designed to clean those hard to reach areas under the wheel arches and the under carriage. Inlet Connection: 1/4 - inch female QC Plug - Max Pressure: 4,000 PSI - Max Flow: 3.5 to 6.0 GPM
Methodology
a) Undercarriage cleaning- thoroughly spray an undiluted citrus cleaner (P2IS Total Auto Wash) and let it soak in; remove by thoroughly rinsing with water. Fill pressure washer tank with citrus cleaner and spray undercarriage (do not use excess pressure as water may penetrate crevices and seams where it cannot drain, causing corrosion), let it soak and then remove with plain water.
b) Undercarriage Salt Removal - spray undercarriage with ValuGuard Proguard Magnesium Chloride Remover - VG-502 - An alkaline (pH 12) liquid concentrate, a blend of detergents that penetrates and disperses road and salt film, which after rinsing leaves the surface charged to repel dirt and soil. Low foam for better penetration into seams where Magnesium Chloride is difficult to remove
Cleans Magnesium Chloride residue from all surfaces and will help brighten aluminum surfaces without etching and also works well to remove bugs, tar, and asphalt. Designed to be applied by brush, moderate or high pressure spray, and can also be used in steam cleaning applications. Product is completely biodegradable
Do not allow to dry on vehicle. For cleaning tough areas like wheel wells, chassis, and very soiled wheels apply VG-502 at 1-1 mix to wet surface, allow to set for 3-5 minutes, Agitate as needed and then rinse with moderate to high-pressure water spray for a clean surface. Dry all painted and glass surfaces after rinsing to prevent water spotting.
Although dry salt is inert 15 – 20.0F (9 – 29.oC) is considered the lower limit for salt to melt snow and ice but once H2O, even in the form of moist air (i.e. humidity) is added the freezing point is lowered and the sprayed brine solution (pH 8.5) used on roads will have an adverse effect (the formation of rust and/or corrosion) on the vehicles paint and undercarriage. Magnesium Chloride (MgCl2) attracts moisture from the air making it more aggressive than salt because it is active even when “dry”. Magnesium Chloride is basically ‘liquid rust’. It clings to everything and it attracts moisture – and it does not wash off easily”.
After removing dirt, road grime, and etc with P21S® High Performance Total Auto Wash or Optimum™ Polymer Technologies - Power Clean- use a pressure washer
Never go underneath a car supported by the supplied jack - always use axle stands if you wish to work underneath the car. Always jack the car up at the manufacturer's recommended jacking points. Ensure the jack is in stable contact with both the jacking point (see owner's manual) and the ground. Always work on level ground.
High Pressure Under body Lance
Angled spray lance connected to a power washer, this set-up is specifically designed to clean those hard to reach areas under the wheel arches and the under carriage. Inlet Connection: ¼ - inch Female connection QC Plug - Max Flow: 3.5 to 6.0 GPM - http://pri-industries-inc.amazonwebs...B0065OYYQQ.htm
A spray lance connected to a power washer, this set-up is specifically designed to clean those hard to reach areas under the wheel arches and the under carriage. Inlet Connection: 1/4 - inch female QC Plug - Max Pressure: 4,000 PSI - Max Flow: 3.5 to 6.0 GPM
Methodology
a) Undercarriage cleaning- thoroughly spray an undiluted citrus cleaner (P2IS Total Auto Wash) and let it soak in; remove by thoroughly rinsing with water. Fill pressure washer tank with citrus cleaner and spray undercarriage (do not use excess pressure as water may penetrate crevices and seams where it cannot drain, causing corrosion), let it soak and then remove with plain water.
b) Undercarriage Salt Removal - spray undercarriage with ValuGuard Proguard Magnesium Chloride Remover - VG-502 - An alkaline (pH 12) liquid concentrate, a blend of detergents that penetrates and disperses road and salt film, which after rinsing leaves the surface charged to repel dirt and soil. Low foam for better penetration into seams where Magnesium Chloride is difficult to remove
Cleans Magnesium Chloride residue from all surfaces and will help brighten aluminum surfaces without etching and also works well to remove bugs, tar, and asphalt. Designed to be applied by brush, moderate or high pressure spray, and can also be used in steam cleaning applications. Product is completely biodegradable
Do not allow to dry on vehicle. For cleaning tough areas like wheel wells, chassis, and very soiled wheels apply VG-502 at 1-1 mix to wet surface, allow to set for 3-5 minutes, Agitate as needed and then rinse with moderate to high-pressure water spray for a clean surface. Dry all painted and glass surfaces after rinsing to prevent water spotting.
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