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Gas Engines: The JASPER Process
3 YEAR/100,000 MILE WARRANTY
JASPER can offer this beefy warranty on our remanufactured gas engines because every one of them goes through our extensive "Do It Right" process that ensures worry-free operation.
THOROUGH CLEANING
Every JASPER reman engine is completely disassembled. Blocks, heads, connecting rods, crankshafts and camshafts for domestic engines are thoroughly cleaned in the
Kolene Salt Bath. Molten industrial salt efficiently and thoroughly removes all contaminants that can result in premature wear to internal engine components and early engine failure. Import engines are completely cleaned through other, equally, quality oriented processes to remove contaminants.
CRANKSHAFTS
Crankshafts are precision machined to exact tolerances with no odd size bearings or journals. Thrust surfaces (domestic engines) are machined in a two step process to provide precise surface finishes for smooth engine operation and reduced thrust bearing wear. Every journal is inspected and measured with critical accuracy. After machining, oil holes are chamfered to improve lubrication and every journal polished to a smooth finish for long bearing life. Crankshafts are thoroughly cleaned with special emphasis to flushing and brushing out oil passages to remove any contaminants.
CAMSHAFTS
Camshafts are inspected for wear, dimensional accuracy and gauged for straightness. Camshaft lobes are carefully machined to correct specifications. Each shaft is Parco-Lubricated to improve lubricant adhesion, especially during break-in. Any camshaft not meeting JASPER's exact specifications is replaced.
CYLINDERS
Cylinders are bored and honed to exact specifications. Cylinder finish and size are closely monitored to industry surface finish standards as well as for accuracy and consistency through Statistical Process Control. This assures smooth piston travel and engine performance. JASPER guarantees no odd size cylinders. The block to head mating surface is closely inspected and resurfaced as required to provide the correct surface finish for today's gasket materials.
CONNECTING RODS
Connecting rods are machined and gauged to within a half a thousandth for improved operation, especially in today's engines. Rods are carefully machined to avoid taper and to the standard diameter of original equipment. All rods are checked for bend and twist to assure smooth operation.
HEADS
Heads are carefully inspected for cracks and flaws through procedures such as magnetic particle inspection. Every head is resurfaced to exact dimensional tolerances and the surface finish is carefully monitored for proper sealing with the block. Valve seats and guides are machined to exact specifications or replaced to assure correct valve alignment and seating and optimum engine performance.
ASSEMBLY
Every engine is precisely assembled by trained JASPER builders. Attention to such details as a final wash of new and machined parts and pre-lubricated camshafts, pistons, and crankshaft journals assures a clean, smooth running engine that performs to your expectations.
TESTING
JASPER live tests every popular Complete domestic and import reman engine with recorded inspections of temperatures,
oil pressure, vacuum and compression. JASPER's testing is one of the many ways we assure your satisfaction.
STATISTICAL PROCESS CONTROL
Processes are continually monitored through Statistical Process Control to assure accurate machining, smooth engine performance and complete customer satisfaction.
NEW DOMESTIC ENGINE PARTS
- Pistons, pins & lock rings
- Piston rings
- Piston pin bushings
- Main bearings
- Hollow push rods
- Camshaft bearings
- Camshaft (new or reman.)
- Rear main oil seal
- Timing gear or chain (new or reman.)
- Intake & exhaust valves
- Valve springs
- Solid lifters
- Valve keepers & seals
- Spring retainers
- Valve guides (as applicable)
- Rocker arm assemblies (new or reman.)
- Rod bearings
- Cylinder head gaskets
- Oil pan gaskets
- Timing gear cover gaskets
- Water distribution tubes (as applicable)
- Expansion plugs
- Oil pump (remanufactured)
- Oil pump intermediate shaft (as applicable)
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NEW IMPORT ENGINE PARTS
- Pistons, pins & lock rings
- Piston rings
- Piston pin bushings
- Main bearings
- Camshaft bearings
- Camshaft (new or reman.)
- Rear main oil seal
- Timing gear or chain
- Intake & exhaust valves (new or reman.)
- Valve springs (new or reman.)
- Solid lifters
- Valve keepers & seals
- Spring retainers
- Valve guides (as applicable)
- Rocker arm assemblies (new or reman.)
- Rod bearings
- Cylinder head gaskets
- Expansion plugs
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QUALITY CONTROL
Consistent quality is maintained through a continuous training program of ASE technicians backed with statistical
process control. Technicians are also JASPER Certified to specific engines and job functions.
Weekly disassembly of a production engine is also performed. All areas of the engine are scrutinized for cleanliness, surface finish quality, lubrication, clearance and wear patterns.
WARRANTY
Install JASPER with confidence. Every JASPER remanufactured engine is backed by a nationwide warranty. Complete engines
for passenger cars and light duty trucks receive a 3 year/100,000 mile (whichever occurs first)
parts and labor warranty. (Ambulance, off-highway vehicles, package delivery, police, snow removal, taxi,
tow truck, or any vehicle over 1 ton, 18 months or 100,000 miles, whichever occurs first.)
A technical hotline (1-800-827-7450) and 24 hour 7 day emergency warranty information are also available.
A full warranty disclosure is available upon request.
Click here to view our limited warranty.
AVAILABILITY
JASPER offers immediate availability on most popular reman engines. JASPER delivers availability through a large and growing network of branches throughout the country. JASPER quality remanufactured components are available from coast to coast and beyond.
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