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Thread: Updated list of Sealants and Thread lockers

  1. #1
    Join Date
    Feb 2011
    Location
    Brunswick, Victoria
    Posts
    3,778

    Updated list of Sealants and Thread lockers

    NOTE: This is the current list of sealant recommendations from Land Rover's Topix website (accessed May 2013). This information supersedes the sealants recommended in the CD version of RAVE.

    Sealants
    The following table lists those sealants which are used during repair/overhaul procedures covered in this manual; it is essential that the sealant specified for a particular procedure is used at all times.
    
    Td5 Engine
    Timing chain fixed guide Allen screw - STC 50552
    Camshaft cover gasket joint line - STC 50550
    Oil pick-up strainer Torx screws - STC 50552
    Oil pump drive sprocket retaining bolt - STC 50552
    Timing chain cover, crankshaft rear oil seal and sump gasket joint lines - STC 50550
    Oil pressure relief valve plug - STC 50552
    Camshaft carrier to cylinder head - STC 4600
    Timing cover - STC 50550
    Cylinder block core plugs - STC 50552
    Clutch/torque converter housing to cylinder block - Upper 4 bolts - STC 50552
    Fuel cooler to inlet manifold bolts - Upper - STC 50552

    V8 Engine
    Sump gasket to cylinder block - STC 50550
    Clutch/torque converter housing to cylinder block - Upper 4 bolts - STC 50552
    'V' grooves at end of cylinder head - Inlet manifold gasket - STC 50550
    Cruciform seal ends - STC 50550
    Dipstick tube - STC 50554
    Timing cover bolts - STC 50552

    Engine Management System - V8
    Engine coolant temperature (ECT) sensor threads - STC 50552

    Manifolds and Exhaust System - V8
    'V' grooves at end of cylinder head - Inlet manifold gasket - STC 50550

    Manual Gearbox - R380
    Gear selector housing - STC 50550
    Selector housing bolts - STC 50552
    Input shaft oil seal housing - STC 50550
    Input shaft oil seal housing bolts - STC 50552
    Reverse inhibitor shaft threads - STC 50552
    Gate plate bolts - STC 50552
    Gear case to extension housing - STC 4404
    Extension housing bolts - STC 50552
    Gear change lever yoke Allen screw - STC 50552
    Gear case to centre plate - STC 4404
    Detent plugs - STC 50552
    Bias spring adjustment plate bolts - STC 50552

    Transfer Box - LT230SE
    Bottom cover plate - STC 4600
    Bottom cover plate bolts - STC 50552
    Front output housing core plug - STC 3811
    Transfer box to gear case bolts - Petrol and Diesel engines - STC 50552
    Transfer box to gear case studs - Petrol and Diesel engines - STC 50552
    Rear cover - STC 4600
    Differential warning lamp switch(es) - STC 50552
    High/Low selector warning lamp switch - STC 50552
    Rear output shaft housing - STC 4600
    Rear output shaft housing bolts - STC 50552
    High/Low selector fork set screw - STC 50552
    Interlock solenoid selector cover - Up to 03 MY - STC 4600
    Interlock solenoid circlip - 03 MY onwards - STC 50551
    Neutral sensor - STC 50552
    Intermediate shaft retaining plate bolt - STC 50552
    Side cover - STC 4600
    Side cover bolts - STC 50552
    Differential lock selector shaft detent plug - STC 50552
    Differential lock selector housing bolts - STC 50552
    Front output shaft housing - STC 4600
    Front output shaft housing bolts - STC 50552
    High/Low selector shaft detent plug - STC 50552
    Input gear bearing housing - STC 4600
    Rear cover stud nut and bolt - STC 50552
    High/Low cross shaft housing - STC 4600
    High/Low cross shaft housing bolts - STC 50552

    Rear Axle and Final Drive
    Differential cover to casing - STC 3811
    Differential cover to casing bolts - STC 50552
    Differential cover to casing - STC 3811

    Front axle
    Differential cover to casing bolts - STC 50552

    Front suspension
    Drive shaft to hub - STC 50554

    Rear suspension
    Drive shaft to hub - STC 50554

    Rear suspension
    SLS air compressor bolts - STC 50552

  2. #2
    Join Date
    Feb 2011
    Location
    Brunswick, Victoria
    Posts
    3,778

    Part Number references for sealants

    As far as I've been able to ascertain this is the cross reference from LR Part Numbers to commercial products.


    STC50550 : Loctite 5900
    STC50551 : Terostat 8586
    STC50552 : Loctite 243
    STC50554 : Loctite 648
    STC3811 : Hylomar 101 (Amine curing RTV silicone sealant - engineering grade)
    STC4404 : Hylomar 607 (Oxime curing RTV silicone sealant adhesive)
    STC4600 : Hylomar 3400


    In some cases it is cheaper and easier to source the LR part.
    Loctite 5900 is only available in 300g tubes at $75+ ex gst from Repco etc. The LR STC50550 is a 90g syringe type applicator that sells for under $30 via LR Australia.

    The most reasonably priced sources for STC4600 // Hylomar 3400 I've found are the UK parts specialists. Even so it is around 38.00-42.00 for a 300g tube.

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