IMS Solution Installation Manual — LN Engineering / PAGE 6
IMS RETROFITSTEP& IMS SOLUTION · PRE-QUALIFICATION PROCEDURE, CONT.
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IMS RETROFITSTEP& IMS SOLUTION
PRE-QUALIFICATION PROCEDURE, CONT.
Remove engine oil filter, cut open and inspect for ANY debris. Look closely at the
bottom of the factory filter canister, where debris often is collected. If ANY debris is
present, the retrofit process must be aborted; and the source of the debris must be
identified. Action must be taken to address these issues prior to the retrofit process
being carried out. Retrofitting the IMSB of ANY engine that has wear metals, or other
debris in the oil, will lead to collateral damages that can destroy the retrofitted IMS
Bearing, as well as all other internally lubricated engine components.
Remove Engine Oil Sump plate, inspect for debris. Removal of the sump plate is highly
encouraged, as debris will lurk here that is not notable in the oil, or in the filter. Again,
ANY debris of any sort is concerning, and must be investigated.
During all oil, sump and filter inspections, remember that the tiniest particles are just
as concerning as larger pieces. This is because they are even more easily mixed
into, and suspended from the engine oil, allowing the debris to circulate all
throughout the engine with damaging effects.
Perform bore scope inspection of all cylinder bores. Watch closely for scoring and
any signs of wear. Wear debris from failing / failed cylinders has been proven to be
very damaging to all engine internals, including IMS Bearings.
With the transaxle removed, inspect the Rear Main Seal bore to ensure the engine
does not have a factory defect known as “crankshaft sag”. If this exists oil leakage at
the RMS will be a terminal condition that can’t ever be remedied.
Once the IMS Flange is removed, inspect the original IMS Bearing for signs of failure.
Also, check for signs that the engine may have already experienced an IMS Bearing
failure, and may have had another bearing fitted. Engines that have IMS shaft
assemblies that have been through a failure are always damaged, and it is very
important that these shafts are not fitted with any IMS Retrofit or IMS Solution
products.
NOTE: Any and all fault codes, and / or symptoms of rough running,
etc. must be addressed prior to IMS Retrofit / IMS Solution
installation. It is imperative that ONLY healthy, good running engines
be retrofitted.
NEVER, UNDER ANY CIRCUMSTANCE, IS IT PERMISSIBLE TO
REMOVE A FAILED OR FAILING IMS BEARING AND REPLACE
IT WITH AN IMS RETROFIT OR IMS SOLUTION PRODUCT.
IMS RETROFIT AND IMS SOLUTION PRODUCTS, COMPONENTS
AND PROCEDURES WERE DESIGNED FOR PREVENTATIVE
PURPOSES ONLY.
This is a source reference. Confirm exact model applicability in the original material.
