6 Products
Your Current Vehicle
Or
Select Your Vehicle
Separate manipulation, lifting, visual inspection and thermal evidence
This category groups tools by workshop convenience rather than one operating principle. Picks apply local mechanical force. Suction cups use pressure difference across a sealed surface. Borescopes deliver a camera into a hidden space. Infrared instruments infer surface temperature from radiation.
Start with the question: retrieve a loose object, move a seal, support smooth glass, view a cavity or compare heat? The wrong family can damage the part or create false confidence.
Use a task boundary before touching the vehicle
| Tool family | Suitable purpose | Not a substitute for |
|---|---|---|
| Hook or pick | Controlled seal lifting, debris retrieval or clip manipulation | Electrical probing or pressure release |
| Suction lifter | Assisting grip on verified smooth non-porous surfaces | Certified lifting tackle or permanent support |
| Borescope | Viewing hidden surfaces and recording condition | Dimensional measurement without calibration |
| Inspection camera | Following a cable through a larger inaccessible route | Proof that the whole cavity is defect-free |
| IR thermometer | Spot comparison over its distance-to-spot area | Internal fluid or core temperature |
| Thermal imager | Mapping apparent surface-temperature patterns | X-ray vision or automatic fault diagnosis |
Hooks and picks multiply force at a tiny point
A fine tip can reach behind an O-ring or remove debris, but it also concentrates stress enough to score a sealing land, puncture insulation or slip into a hand. Select straight, angled, hook or complex profiles according to access and pulling direction.
Inspect for bent tips, cracks, corrosion and a loose handle. Direct force away from the body and wear eye protection where a clip or spring may release. Use a plastic or brass tool when the surface requires a softer contact.
Isolation comes before probing
Depressurise fuel, coolant, hydraulic and pneumatic systems by their stated methods. Disconnect and wait according to SRS procedures before working near airbags or pretensioners. High-voltage systems require trained isolation and proof of dead; a pick must never be used to test it.
Seal removal should preserve the groove
Clean the area so grit does not fall inside. Lift the seal at an accessible edge without driving the point into aluminium or plastic. If the old seal is hard, cut it only when the procedure permits and protect the parent surface.
After removal, inspect the groove with light and magnification. A scratch across a sealing path can cause a new leak. Account for every fragment before assembly and never reuse a pierced O-ring.
Suction lifting depends on vacuum integrity
Clean both cup and work surface, inspect the rubber lip and avoid porous, textured, oily or sharply curved areas. Engage the mechanism as instructed and test the hold with the load still supported. Temperature and surface contamination can reduce grip.
A small suction lifter may help position glass or a smooth trim piece, but its rated capacity applies under defined conditions. Use secondary support, keep hands away from crush zones and never stand beneath a suction-held component.
Borescope selection starts with the access route
| Attribute | Why it matters | Selection risk |
|---|---|---|
| Head diameter | Passes through the smallest verified opening | Becoming trapped at a step or valve |
| Cable length and stiffness | Reaches while retaining push control | Buckling, looping or snagging |
| Focus range | Produces useful detail at working distance | Calling blur a defect |
| Front or side view | Shows axial surfaces or cylinder walls | Missing a surface outside the field |
| Ingress rating | Defines permitted dust or liquid exposure | Immersing a head not rated for it |
| Attachment retention | Keeps mirror, hook or magnet secured | Leaving an accessory inside |
Prepare the cavity before inserting a camera
Stop and secure machinery, remove the key and wait for heat or pressure to fall. On an engine cylinder, establish piston and valve position where contact is possible. Prevent cranking and keep the cable clear of belts, fans and gears.
Clean around the access port and inspect the camera head. Insert without forcing, observe cable markings and stop if resistance changes abruptly. Do not use the camera cable as a drain rod or retrieval rope.
Images need orientation and scale
Record which port, direction, depth and camera orientation produced each image. Reflections and lens distortion can make a scratch appear deeper or change apparent size. A dark region may be shadow, deposit or missing material.
Compare with known geometry and use a calibrated method for critical dimensions. Borescope evidence can justify dismantling, but a limited field of view cannot prove that an entire cylinder, pipe or cavity is sound.
Infrared tools report apparent surface temperature
Objects emit infrared energy according to temperature and emissivity. Instruments convert detected radiation using an emissivity assumption. Painted rubber and oxidised surfaces often emit differently from polished metal; a shiny surface can reflect surrounding heat into the sensor.
Thermal cameras assign colours to values within a selected span. Changing the scale can make a small difference look dramatic or hide it. Save the emissivity, reflected-temperature assumptions, range and environmental conditions with important images.
Distance-to-spot ratio limits small-target readings
An IR thermometer marked 10:1 measures a spot that grows with distance; the target must fill that spot. The aiming laser identifies direction, not the exact measured boundary and not necessarily the hottest point. Move closer while staying outside the hazard zone.
Viewing at a steep angle increases the sampled footprint and reflection risk. Steam, smoke, glass and some plastics can attenuate or reflect infrared energy, so the instrument may read the intervening surface rather than what lies behind it.
Thermal patterns support comparisons
| Inspection | Useful comparison | False conclusion to avoid |
|---|---|---|
| Brake temperatures | Same axle after a controlled drive | One hot disc proves one failed caliper |
| Electrical connection | Similar loaded terminals and phases | Cold means electrically safe |
| Cooling system | Hose and radiator pattern during warm-up | Surface value equals coolant temperature |
| Heated window | Continuity pattern across adjacent tracks | Reflection is a broken element |
| Wheel bearing area | Side-to-side under equivalent duty | Heat alone identifies the bearing |
| Exhaust or catalyst | Upstream/downstream trend under defined load | External temperature proves internal efficiency |
Emissivity controls whether comparison is meaningful
Two adjacent materials at the same true temperature can display different apparent values because painted steel, rubber, oxidised aluminium and polished metal emit differently. Where safe and permitted, a small patch of known high-emissivity tape or coating can provide a repeatable target, but never apply it to a moving, live or extremely hot component.
For critical work, compare the instrument with a suitable contact sensor on the same prepared surface and allow both to stabilise. Record emissivity setting, distance, angle, focus and ambient reflections. Repeating a measurement without those details may produce a different conclusion even when the component has not changed.
Non-contact does not mean no hazard
An infrared reading does not prove a circuit is de-energised, a pipe is depressurised or a surface is safe to touch. Use approved electrical test instruments, pressure gauges and contact temperature methods where those decisions are critical.
Keep lasers away from eyes and reflective traffic surfaces. Maintain distance from rotating machinery, hot exhausts and live conductors. Do not reach farther into a hazard merely to improve a thermal image.
Retrieval attachments can become foreign objects
Magnets retrieve only suitable ferrous objects and can attract nearby parts unexpectedly. Hooks can snag wiring; mirrors can detach. Confirm every accessory is locked, count pieces before insertion and inspect again after withdrawal.
If a tool or attachment is lost inside an engine, intake, cylinder, gearbox or brake assembly, do not operate it. Recover the item by a controlled method or dismantle sufficiently to prove clearance.
Maintenance preserves evidence quality
Clean picks and protect their tips. Store suction cups relaxed, clean and away from sharp objects. Wipe camera lenses with approved material, inspect cable jackets and seals and dry equipment within its rating.
Keep thermal lenses clean and undamaged, verify batteries and arrange calibration checks according to manufacturer requirements. A dropped instrument may still display a plausible but wrong number.
Inspection records should be reproducible
Name images with vehicle, component, access point and time rather than relying on camera sequence. Include a wide orientation view before close detail and retain an unedited original. For thermal work, save the radiometric file where supported instead of only a coloured screenshot.
Write down operating state: cold soak, idle duration, electrical load, road-test distance or brake applications. A later technician can then repeat the condition. Inspection becomes useful diagnosis when another measurement confirms the observation and the repair removes the symptom.
Common inspection mistakes
Do not diagnose from one thermal image with automatic scaling, one unclear borescope frame or one temperature comparison made under different loads. Recreate conditions, gather conventional measurements and preserve time, location and operating state.
Upgrading resolution or articulation can reveal more detail but cannot replace access planning, emissivity knowledge or mechanical confirmation. Better images do not turn an observation into a root cause.
UK workshop and MOT context
Use workplace risk controls for sharp tools, pressure, electricity, lasers, lifting and hazardous substances. PUWER principles require suitable, maintained equipment and trained use. SRS and high-voltage work demand their specific competence and isolation procedures.
MOT inspection is visual and functional within defined rules, but these tools do not determine the statutory result by themselves. A thermal anomaly or camera image should lead to the applicable direct test and competent repair.
Practical pick-up and inspection FAQs
Q: Can a pick be used as an electrical test probe?
A: No. It can short circuits, damage terminals and cause injury.
Q: May picks be used near an airbag connector?
A: Only under the exact SRS procedure; never probe inflator circuits.
Q: Does a suction-cup rating guarantee every lift?
A: No. Surface, contamination, curvature and temperature affect grip.
Q: Can a suction lifter support a suspended load?
A: No. Use secondary restraint and suitable lifting equipment.
Q: Is every borescope head safe to immerse?
A: No. Check the exact ingress rating for head and cable.
Q: Can the engine crank with a camera inserted?
A: No. Prevent rotation and control component positions.
Q: Does a borescope measure crack depth?
A: Not without a validated dimensional method and suitable optics.
Q: Can thermal cameras see through metal?
A: No. They normally show emitted and reflected energy at the surface.
Q: Why does shiny metal show the wrong temperature?
A: Low emissivity makes reflected surroundings influence the reading.
Q: Does the laser show the full measured spot?
A: No. Use the distance-to-spot specification.
Q: Is a cold electrical connection safe to touch?
A: No. Prove electrical isolation with approved instruments.
Q: What if a camera hook is lost inside an engine?
A: Do not run it; recover the item and prove the cavity clear.
Q: What makes inspection evidence reliable?
A: Controlled conditions, recorded settings and confirmation by direct tests.
