My 2005 crd is loosing coolant..can't see any leaks,no coolant in the oil..can't see any coolant dripping anywere? any ideas any one??

You can get florescent dye to put into the coolant, and then search using a UV source (LED flashlight, etc). They can be a bear to spot because the coolant can evaporate before it leaves a puddle you can spot.

If you haven't had any 'events' that point you in a particular direction (e.g. overheating, etc) - I'd try that right after as thorough visual inspection as I could muster.

One spot I'd want to look at closely is on the driver's side of the engine where the EGR cooler sits - difficult access.

Mark

_________________
--
2005 Liberty CRD
2004.5 Cummins 5.9L TD, F1s, NV5600 6-speed in a '93 GMC Suburban

X2 on the UV dye approach but be sure to drive on the order of 50miles+ after adding dye to the coolant tank on the firewall to be sure it's fully circulated and has time to leak. FYI all OEM hose clips are notorious for losing spring tension over the years resulting in one or more tiny leaks that often wind up going places that evaporate coolant before the leak can be seen.

_________________
Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs

Any pressure under the cap after a long drive?

_________________
2006 Liberty Limited CRD, Deep Beryl Green, Yeti tune, Arp studs, new cams, rockers, lifters, TB. "Green Monster"
2005 Liberty Sport CRD, Deep Beryl Green, GDE Hot Tune, ARP studs. "Rocket"
1982 Fiat 124 Spider Convertible. "Fiona"

How much coolant are you losing? I once had a problem with a mini van losing coolant over a longer period of time and it turned out to be a bad return line to the overflow. That was cheep to fix. Hard to find though. The way I was able to find it was by driving it to full operating temp and the park in the garage with the hood up, engine off and overhead door shut (to eliminate any breeze) shine a bright flashlight with a tight beam around the engine bay looking for a small/weak plume of steam.

Any white smoke from the exhaust? If so, your getting it into the combustion chamber or exhaust port. That would be bad.

My , good luck.

_________________
2005 Red KJ CRD, TOTALED 12-21-11

2005 Blue KJ Sport CRD, GDE, Magnaflow muffler, Destination AT, Amsoil filters, Fumoto, Timing belt and waterpump @ 99,600, 11 blade nylon fan, 2905 hayden fan clutch, EURO TC




Arguing about whether the glass is half full or half empty misses the point: the bartender cheated you.
Unknown